ISEE Middle Level Quiz: Explicit Information Retrieval
20 questions · exam conditions
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Explicit Information RetrievalQuestion 1 of 20

Read the passage, then answer: According to the passage, where did Apollo 11 launch?

In 1969, the Apollo 11 mission achieved a major goal in space exploration. NASA launched the spacecraft from Kennedy Space Center in Florida on July 16, 1969. The crew included Neil Armstrong, Buzz Aldrin, and Michael Collins. After traveling for several days, Apollo 11 entered orbit around the Moon. On July 20, 1969, Armstrong and Aldrin moved into the Lunar Module, which was named Eagle. Collins remained in the Command Module, named Columbia, and continued to orbit the Moon.

Eagle separated from Columbia and began its descent. The landing site was in an area called the Sea of Tranquility. During the landing, the astronauts had to watch their fuel level carefully. Eagle touched down safely, and the mission control team in Houston confirmed the landing. A short time later, Armstrong climbed down the ladder and stepped onto the Moon's surface. He became the first person to walk on the Moon. Aldrin followed him soon after.

The astronauts collected rock and soil samples and set up scientific tools. One tool measured moonquakes, and another reflected laser beams sent from Earth. They also planted an American flag and took photographs. After spending more than 21 hours on the Moon, Armstrong and Aldrin returned to Eagle and lifted off to rejoin Columbia.

The crew began the trip back to Earth and landed in the Pacific Ocean on July 24, 1969. Recovery teams brought the astronauts onto a ship. The mission was important because it showed that humans could travel to the Moon and return safely.

From Kennedy Space Center in Florida
From the Sea of Tranquility on the Moon
From a ship in the Pacific Ocean
From a base near Houston, Texas
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ISEE Middle Level Quiz

ISEE Middle Level Quiz: Explicit Information Retrieval

Practice Explicit Information Retrieval in ISEE Middle Level with focused quiz questions that help you check what you know, review explanations, and build confidence with test-style prompts.

What this quiz covers

This quiz focuses on Explicit Information Retrieval, giving you a quick way to practice the rules, question types, and explanations that matter most for ISEE Middle Level.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

All questions

Question 1

Read the passage, then answer: According to the passage, where did Apollo 11 launch?

In 1969, the Apollo 11 mission achieved a major goal in space exploration. NASA launched the spacecraft from Kennedy Space Center in Florida on July 16, 1969. The crew included Neil Armstrong, Buzz Aldrin, and Michael Collins. After traveling for several days, Apollo 11 entered orbit around the Moon. On July 20, 1969, Armstrong and Aldrin moved into the Lunar Module, which was named Eagle. Collins remained in the Command Module, named Columbia, and continued to orbit the Moon.

Eagle separated from Columbia and began its descent. The landing site was in an area called the Sea of Tranquility. During the landing, the astronauts had to watch their fuel level carefully. Eagle touched down safely, and the mission control team in Houston confirmed the landing. A short time later, Armstrong climbed down the ladder and stepped onto the Moon's surface. He became the first person to walk on the Moon. Aldrin followed him soon after.

The astronauts collected rock and soil samples and set up scientific tools. One tool measured moonquakes, and another reflected laser beams sent from Earth. They also planted an American flag and took photographs. After spending more than 21 hours on the Moon, Armstrong and Aldrin returned to Eagle and lifted off to rejoin Columbia.

The crew began the trip back to Earth and landed in the Pacific Ocean on July 24, 1969. Recovery teams brought the astronauts onto a ship. The mission was important because it showed that humans could travel to the Moon and return safely.

  1. From Kennedy Space Center in Florida (correct answer)
  2. From the Sea of Tranquility on the Moon
  3. From a ship in the Pacific Ocean
  4. From a base near Houston, Texas
Explanation: This question tests ISEE Middle Level reading comprehension skills, specifically the ability to find information stated directly in the text. The skill involves identifying explicit details within a passage, which requires careful reading and attention to specific facts and statements. In this passage, students must locate information about the launch location of Apollo 11, which is directly stated in the text. Choice A is correct because it accurately reflects the information provided in the passage about the launch from Kennedy Space Center in Florida, demonstrating the student's ability to retrieve explicit information. Choice B is incorrect because it includes information not found in the passage, illustrating a common mistake of relying on prior knowledge instead of the text. To help students, encourage them to highlight or underline key details as they read, and practice comparing answer choices directly with the text to ensure accuracy. Emphasize the importance of distinguishing between directly stated facts and inferred details.

Question 2

The invention of the electric telegraph in the 1830s and 1840s by Samuel Morse and other pioneers marked a turning point in communication. For the first time, messages could travel faster than the swiftest horse or ship. The system relied on sending electrical signals over a wire laid between stations. Morse developed a code, now known as Morse Code, that assigned a set of dots and dashes to each letter of the English alphabet, allowing for the transmission of complex messages. The first official public message, "What hath God wrought," was sent from Washington, D.C., to Baltimore in 1844, heralding a new era. While land-based lines spread rapidly, spanning continents, the ultimate challenge was the ocean. Laying a transatlantic cable proved to be a monumental feat of engineering, plagued by failures. The immense pressure of the deep sea and the constant threat of damage from ship anchors or marine life made the task perilous. After several costly attempts, a lasting connection between North America and Europe was finally established in 1866, dramatically reducing the time it took for news and business correspondence to cross the Atlantic from weeks to mere minutes.

What key development by Samuel Morse, as mentioned in the passage, was essential for sending complex messages via telegraph?

  1. The invention of a machine that could automatically decode signals without a human operator.
  2. A system of dots and dashes that corresponded to each letter of the alphabet. (correct answer)
  3. The creation of the first insulated wire capable of being laid under the ocean.
  4. The discovery of how to send multiple signals over a single wire simultaneously.
Explanation: The passage states, 'Morse developed a code, now known as Morse Code, that assigned a set of dots and dashes to each letter of the English alphabet, allowing for the transmission of complex messages.' This directly supports answer choice B. The other choices describe technological advancements not attributed to Morse in the passage. The text does not mention automatic decoders (A), insulated underwater wire (C), or multiplexing (D).

Question 3

Georgia O'Keeffe is one of the most significant artists of the twentieth century, renowned for her revolutionary contributions to American modernism. Early in her career, she was associated with the circle of photographer Alfred Stieglitz, whom she later married. Stieglitz championed her work, which at the time included abstract charcoals and watercolors. However, O'Keeffe eventually moved away from pure abstraction, seeking a unique visual language to express what she called 'the wide-open spaces' of her mind. She found her enduring inspiration not in the bustling cities of the East Coast but in the stark, sun-drenched landscapes of the American Southwest. After her first visit in 1929, she returned nearly every summer to New Mexico, eventually making it her permanent home. It was there that she created her most iconic paintings: large-scale, close-up depictions of flowers, dramatic desert landscapes, and haunting images of animal bones against the vast sky. By magnifying flowers to an enormous scale, for example, she forced viewers to look at these familiar objects in a new and unfamiliar way, revealing their intricate structures and subtle colors.

According to the passage, what effect did O'Keeffe intend by painting flowers on a very large scale?

  1. To make her paintings more commercially successful than her earlier abstract works.
  2. To document the different species of flowers found in the New Mexico desert.
  3. To compel people to observe the familiar objects in a novel and more attentive manner. (correct answer)
  4. To prove to other artists that realism was superior to the abstract style she had abandoned.
Explanation: The passage states, 'By magnifying flowers to an enormous scale...she forced viewers to look at these familiar objects in a new and unfamiliar way, revealing their intricate structures and subtle colors.' This directly explains the purpose described in answer choice C. The passage does not mention commercial success (A), botanical documentation (B), or a desire to prove the superiority of realism (D) as her motivations.

Question 4

Georgia O'Keeffe is one of the most significant artists of the twentieth century, renowned for her revolutionary contributions to American modernism. Early in her career, she was associated with the circle of photographer Alfred Stieglitz, whom she later married. Stieglitz championed her work, which at the time included abstract charcoals and watercolors. However, O'Keeffe eventually moved away from pure abstraction, seeking a unique visual language to express what she called 'the wide-open spaces' of her mind. She found her enduring inspiration not in the bustling cities of the East Coast but in the stark, sun-drenched landscapes of the American Southwest. After her first visit in 1929, she returned nearly every summer to New Mexico, eventually making it her permanent home. It was there that she created her most iconic paintings: large-scale, close-up depictions of flowers, dramatic desert landscapes, and haunting images of animal bones against the vast sky. By magnifying flowers to an enormous scale, for example, she forced viewers to look at these familiar objects in a new and unfamiliar way, revealing their intricate structures and subtle colors.

In addition to magnified flowers, the passage lists which of the following as subjects of O'Keeffe's iconic paintings?

  1. Abstract charcoals and portraits of other artists in Stieglitz's circle.
  2. Cityscapes of the East Coast and still-life paintings from her studio.
  3. Desert landscapes and images of animal bones set against the sky. (correct answer)
  4. Watercolors of the New Mexico sky and photographs of the desert.
Explanation: The passage explicitly lists the subjects of her iconic paintings: 'large-scale, close-up depictions of flowers, dramatic desert landscapes, and haunting images of animal bones against the vast sky.' Answer choice C directly reflects this information. Abstract charcoals (A) are mentioned as part of her earlier work, not her iconic paintings. Cityscapes (B) are contrasted with her source of inspiration. The passage does not mention her taking photographs of the desert (D).

Question 5

Recycling plastic is more complex than it might appear. Not all plastics are the same, which is why a numbering system, the Resin Identification Code, was created. You can find this code—a number from 1 to 7 inside a triangle of arrows—on most plastic containers. This system was designed not for consumers but to help workers at recycling facilities identify and sort different plastic types. For example, plastic #1 (PET), used for soda bottles, and plastic #2 (HDPE), used for milk jugs, are commonly recycled. However, plastics like #6 (polystyrene) are notoriously difficult to recycle and are often sent to landfills. A major challenge in the process is contamination. A single wrong type of plastic or food residue in a batch can ruin the entire melt. Even when sorted correctly, most plastic is not truly recycled but 'downcycled.' This means it is reprocessed into a lower-quality material, such as carpeting or plastic lumber, which cannot be recycled again. For the system to work more effectively, consumers must meticulously rinse containers and understand which plastics are accepted in their local programs.

The passage defines 'downcycling' as the process of what?

  1. Sending plastics down a conveyor belt to be sorted into different quality levels.
  2. Reprocessing plastic into a material of lower quality that cannot be recycled further. (correct answer)
  3. Breaking plastic down into its original chemical components for reuse in new products.
  4. Reducing the amount of plastic that is sent to landfills through consumer education.
Explanation: The passage provides a direct definition: 'This means it is reprocessed into a lower-quality material, such as carpeting or plastic lumber, which cannot be recycled again.' This matches answer choice B perfectly. The other distractors describe different aspects of recycling or waste management that are not the definition of downcycling given in the text.

Question 6

Recycling plastic is more complex than it might appear. Not all plastics are the same, which is why a numbering system, the Resin Identification Code, was created. You can find this code—a number from 1 to 7 inside a triangle of arrows—on most plastic containers. This system was designed not for consumers but to help workers at recycling facilities identify and sort different plastic types. For example, plastic #1 (PET), used for soda bottles, and plastic #2 (HDPE), used for milk jugs, are commonly recycled. However, plastics like #6 (polystyrene) are notoriously difficult to recycle and are often sent to landfills. A major challenge in the process is contamination. A single wrong type of plastic or food residue in a batch can ruin the entire melt. Even when sorted correctly, most plastic is not truly recycled but 'downcycled.' This means it is reprocessed into a lower-quality material, such as carpeting or plastic lumber, which cannot be recycled again. For the system to work more effectively, consumers must meticulously rinse containers and understand which plastics are accepted in their local programs.

The passage gives an example of a specific action consumers are told they must take to improve the effectiveness of recycling programs.

  1. To purchase products made only from #1 (PET) or #2 (HDPE) plastics.
  2. To carefully clean containers and learn which plastics their local facility accepts. (correct answer)
  3. To personally deliver their sorted plastics to the recycling facility to avoid contamination.
  4. To lobby local governments for better recycling technology and machinery.
Explanation: The last sentence of the passage explicitly states what is required of consumers: '...consumers must meticulously rinse containers and understand which plastics are accepted in their local programs.' This directly corresponds to the actions described in answer choice B. The other options are not mentioned in the text as required actions for consumers.

Question 7

Read the passage, then answer: In the passage, what is yozakura?

Every spring, many people in Japan celebrate a tradition called hanami. The word hanami means "flower viewing." During hanami, families, friends, and coworkers gather to enjoy the cherry blossoms, which are called sakura. The blossoms usually appear between late March and early April, although the exact timing depends on the weather and the region.

Hanami has a long history. Records show that people in Japan enjoyed viewing blossoms more than 1,000 years ago. In early times, the tradition was connected to the farming calendar. Farmers watched the blossoms as a sign that warmer days were returning. Over time, hanami became a popular social event for people from many walks of life.

Today, people often plan picnics under blooming trees in parks and along rivers. Some groups place tarps on the ground to save a spot. Many bring boxed meals, tea, and sweets. In some cities, lanterns are hung in the trees so visitors can see the blossoms at night. This nighttime viewing is called yozakura.

Cherry blossoms do not last long. A tree may be in full bloom for only about a week. Wind and rain can make the petals fall sooner. Because the blossoms are short-lived, many people see hanami as a reminder to appreciate special moments while they are here.

Local news stations and websites often publish "blossom forecasts." These forecasts help people know when the trees will bloom. Tourists also use the forecasts to plan visits to famous viewing areas, such as Ueno Park in Tokyo.

  1. A forecast that predicts storms and wind
  2. A nighttime viewing of blossoms with lanterns (correct answer)
  3. A kind of cherry tree grown in mountains
  4. A boxed meal eaten during spring picnics
Explanation: This question tests ISEE Middle Level reading comprehension skills, specifically the ability to find information stated directly in the text. The skill involves identifying explicit details within a passage, which requires careful reading and attention to specific facts and statements. In this passage, students must locate information about yozakura, which is directly stated in the text. Choice B is correct because it accurately reflects the information provided in the passage about yozakura being nighttime viewing with lanterns, demonstrating the student's ability to retrieve explicit information. Choice A is incorrect because it includes information not found in the passage, illustrating a common mistake of relying on prior knowledge instead of the text. To help students, encourage them to highlight or underline key details as they read, and practice comparing answer choices directly with the text to ensure accuracy. Emphasize the importance of distinguishing between directly stated facts and inferred details.

Question 8

Georgia O'Keeffe is one of the most significant artists of the twentieth century, renowned for her revolutionary contributions to American modernism. Early in her career, she was associated with the circle of photographer Alfred Stieglitz, whom she later married. Stieglitz championed her work, which at the time included abstract charcoals and watercolors. However, O'Keeffe eventually moved away from pure abstraction, seeking a unique visual language to express what she called 'the wide-open spaces' of her mind. She found her enduring inspiration not in the bustling cities of the East Coast but in the stark, sun-drenched landscapes of the American Southwest. After her first visit in 1929, she returned nearly every summer to New Mexico, eventually making it her permanent home. It was there that she created her most iconic paintings: large-scale, close-up depictions of flowers, dramatic desert landscapes, and haunting images of animal bones against the vast sky. By magnifying flowers to an enormous scale, for example, she forced viewers to look at these familiar objects in a new and unfamiliar way, revealing their intricate structures and subtle colors.

The passage identifies which specific geographical region as the primary source of inspiration for Georgia O'Keeffe's most iconic work?

  1. The East Coast, where she was associated with Alfred Stieglitz's circle of artists.
  2. The American Southwest, particularly the landscapes of New Mexico. (correct answer)
  3. The bustling cities of America, which she captured in her early abstract watercolors.
  4. The rural countrysides of Europe, where she traveled to study modernism.
Explanation: The passage explicitly states that O'Keeffe 'found her enduring inspiration...in the stark, sun-drenched landscapes of the American Southwest' and that she eventually made 'New Mexico...her permanent home.' This directly supports answer choice B. While she lived on the East Coast (A), the passage contrasts it with the source of her later inspiration. The passage does not mention her painting cities (C) or traveling to Europe (D).

Question 9

Read the passage, then answer: What does the passage say penicillin was at first?

In 1928, a scientist named Alexander Fleming made an important discovery by accident. Fleming worked at St. Mary's Hospital in London, where he studied bacteria. One day, he returned from a vacation and noticed something unusual in a set of petri dishes. In one dish, mold had grown, and the bacteria near the mold were not growing well.

Fleming examined the dish more closely. He realized the mold was producing a substance that killed or slowed the bacteria. He later identified the mold as Penicillium. Fleming named the bacteria-fighting substance penicillin. At first, penicillin was difficult to produce in large amounts, so it was not used widely right away.

In the late 1930s and early 1940s, other scientists worked to turn Fleming's discovery into a usable medicine. A team led by Howard Florey and Ernst Chain developed ways to purify penicillin and make more of it. During World War II, penicillin became especially valuable because it helped treat infected wounds. It saved many lives by stopping infections that had once been deadly.

Penicillin changed medicine. Doctors could treat many bacterial illnesses more effectively than before. Over time, scientists developed other antibiotics, but penicillin remains one of the most famous. Fleming's careful observation in 1928 helped begin a new era in medical treatment.

  1. Easy to produce and used widely right away
  2. Difficult to produce in large amounts (correct answer)
  3. A vaccine that prevented all infections
  4. A metal tool used to cut bacteria samples
Explanation: This question tests ISEE Middle Level reading comprehension skills, specifically the ability to find information stated directly in the text. The skill involves identifying explicit details within a passage, which requires careful reading and attention to specific facts and statements. In this passage, students must locate information about penicillin initially, which is directly stated in the text. Choice B is correct because it accurately reflects the information provided in the passage about it being difficult to produce in large amounts, demonstrating the student's ability to retrieve explicit information. Choice A is incorrect because it includes information not found in the passage, illustrating a common mistake of relying on prior knowledge instead of the text. To help students, encourage them to highlight or underline key details as they read, and practice comparing answer choices directly with the text to ensure accuracy. Emphasize the importance of distinguishing between directly stated facts and inferred details.

Question 10

Read the passage, then answer: According to the passage, when did Ada die?

Ada Lovelace was born in 1815 in London, England. Her full name was Augusta Ada Byron, but she is known today as Ada Lovelace. As a child, she studied math and science, which was unusual for many girls at that time. Her mother encouraged her to focus on logic and careful thinking.

When Ada was a teenager, she met a scientist named Charles Babbage. Babbage was designing a large calculating machine called the Analytical Engine. It was never fully built in his lifetime, but the plans were detailed. Ada became interested in how the machine could follow steps to solve problems. In 1843, she translated an article about the engine from French into English. She also added long notes of her own.

In her notes, Ada described how the engine could be used to calculate a series of numbers. She wrote a step-by-step method for the machine to follow. Many historians consider this method an early computer program. Ada also wrote that the engine might work with symbols, not only numbers. For example, she suggested it could handle musical notes if they could be written as rules.

Ada Lovelace died in 1852, when she was 36 years old. Her work became more famous many years later, when computers were developed. Today, she is often remembered because she explained how a machine could process instructions. Her ideas helped people imagine what computers could do.

  1. She died in 1815 at age 36
  2. She died in 1843 after her translation
  3. She died in 1852 at age 36 (correct answer)
  4. She died in 1969 during a space mission
Explanation: This question tests ISEE Middle Level reading comprehension skills, specifically the ability to find information stated directly in the text. The skill involves identifying explicit details within a passage, which requires careful reading and attention to specific facts and statements. In this passage, students must locate information about Ada's death, which is directly stated in the text. Choice C is correct because it accurately reflects the information provided in the passage about her dying in 1852 at age 36, demonstrating the student's ability to retrieve explicit information. Choice A is incorrect because it includes information not found in the passage, illustrating a common mistake of relying on prior knowledge instead of the text. To help students, encourage them to highlight or underline key details as they read, and practice comparing answer choices directly with the text to ensure accuracy. Emphasize the importance of distinguishing between directly stated facts and inferred details.

Question 11

Read the passage, then answer: According to the passage, what does hanami mean?

Every spring, many people in Japan celebrate a tradition called hanami. The word hanami means "flower viewing." During hanami, families, friends, and coworkers gather to enjoy the cherry blossoms, which are called sakura. The blossoms usually appear between late March and early April, although the exact timing depends on the weather and the region.

Hanami has a long history. Records show that people in Japan enjoyed viewing blossoms more than 1,000 years ago. In early times, the tradition was connected to the farming calendar. Farmers watched the blossoms as a sign that warmer days were returning. Over time, hanami became a popular social event for people from many walks of life.

Today, people often plan picnics under blooming trees in parks and along rivers. Some groups place tarps on the ground to save a spot. Many bring boxed meals, tea, and sweets. In some cities, lanterns are hung in the trees so visitors can see the blossoms at night. This nighttime viewing is called yozakura.

Cherry blossoms do not last long. A tree may be in full bloom for only about a week. Wind and rain can make the petals fall sooner. Because the blossoms are short-lived, many people see hanami as a reminder to appreciate special moments while they are here.

Local news stations and websites often publish "blossom forecasts." These forecasts help people know when the trees will bloom. Tourists also use the forecasts to plan visits to famous viewing areas, such as Ueno Park in Tokyo.

  1. It means "flower viewing" (correct answer)
  2. It means "night lantern festival"
  3. It means "spring farming"
  4. It means "river picnic"
Explanation: This question tests ISEE Middle Level reading comprehension skills, specifically the ability to find information stated directly in the text. The skill involves identifying explicit details within a passage, which requires careful reading and attention to specific facts and statements. In this passage, students must locate information about the meaning of hanami, which is directly stated in the text. Choice A is correct because it accurately reflects the information provided in the passage about hanami meaning "flower viewing," demonstrating the student's ability to retrieve explicit information. Choice B is incorrect because it includes information not found in the passage, illustrating a common mistake of relying on prior knowledge instead of the text. To help students, encourage them to highlight or underline key details as they read, and practice comparing answer choices directly with the text to ensure accuracy. Emphasize the importance of distinguishing between directly stated facts and inferred details.

Question 12

Read the passage, then answer: What does the passage say about Ada Lovelace?

Ada Lovelace was born in 1815 in London, England. Her full name was Augusta Ada Byron, but she is known today as Ada Lovelace. As a child, she studied math and science, which was unusual for many girls at that time. Her mother encouraged her to focus on logic and careful thinking.

When Ada was a teenager, she met a scientist named Charles Babbage. Babbage was designing a large calculating machine called the Analytical Engine. It was never fully built in his lifetime, but the plans were detailed. Ada became interested in how the machine could follow steps to solve problems. In 1843, she translated an article about the engine from French into English. She also added long notes of her own.

In her notes, Ada described how the engine could be used to calculate a series of numbers. She wrote a step-by-step method for the machine to follow. Many historians consider this method an early computer program. Ada also wrote that the engine might work with symbols, not only numbers. For example, she suggested it could handle musical notes if they could be written as rules.

Ada Lovelace died in 1852, when she was 36 years old. Her work became more famous many years later, when computers were developed. Today, she is often remembered because she explained how a machine could process instructions. Her ideas helped people imagine what computers could do.

  1. She was born in 1815 in London (correct answer)
  2. She led a space mission for NASA
  3. She invented the first working computer chip
  4. She became queen of England in 1843
Explanation: This question tests ISEE Middle Level reading comprehension skills, specifically the ability to find information stated directly in the text. The skill involves identifying explicit details within a passage, which requires careful reading and attention to specific facts and statements. In this passage, students must locate information about Ada Lovelace's birth, which is directly stated in the text. Choice A is correct because it accurately reflects the information provided in the passage about her being born in 1815 in London, demonstrating the student's ability to retrieve explicit information. Choice B is incorrect because it includes information not found in the passage, illustrating a common mistake of relying on prior knowledge instead of the text. To help students, encourage them to highlight or underline key details as they read, and practice comparing answer choices directly with the text to ensure accuracy. Emphasize the importance of distinguishing between directly stated facts and inferred details.

Question 13

Read the passage, then answer: In the passage, who led a team to purify penicillin?

In 1928, a scientist named Alexander Fleming made an important discovery by accident. Fleming worked at St. Mary's Hospital in London, where he studied bacteria. One day, he returned from a vacation and noticed something unusual in a set of petri dishes. In one dish, mold had grown, and the bacteria near the mold were not growing well.

Fleming examined the dish more closely. He realized the mold was producing a substance that killed or slowed the bacteria. He later identified the mold as Penicillium. Fleming named the bacteria-fighting substance penicillin. At first, penicillin was difficult to produce in large amounts, so it was not used widely right away.

In the late 1930s and early 1940s, other scientists worked to turn Fleming's discovery into a usable medicine. A team led by Howard Florey and Ernst Chain developed ways to purify penicillin and make more of it. During World War II, penicillin became especially valuable because it helped treat infected wounds. It saved many lives by stopping infections that had once been deadly.

Penicillin changed medicine. Doctors could treat many bacterial illnesses more effectively than before. Over time, scientists developed other antibiotics, but penicillin remains one of the most famous. Fleming's careful observation in 1928 helped begin a new era in medical treatment.

  1. Neil Armstrong and Buzz Aldrin
  2. Howard Florey and Ernst Chain (correct answer)
  3. Ada Lovelace and Charles Babbage
  4. Michael Collins and Alexander Fleming
Explanation: This question tests ISEE Middle Level reading comprehension skills, specifically the ability to find information stated directly in the text. The skill involves identifying explicit details within a passage, which requires careful reading and attention to specific facts and statements. In this passage, students must locate information about who led the team to purify penicillin, which is directly stated in the text. Choice B is correct because it accurately reflects the information provided in the passage about Howard Florey and Ernst Chain leading the team, demonstrating the student's ability to retrieve explicit information. Choice A is incorrect because it includes information not found in the passage, illustrating a common mistake of relying on prior knowledge instead of the text. To help students, encourage them to highlight or underline key details as they read, and practice comparing answer choices directly with the text to ensure accuracy. Emphasize the importance of distinguishing between directly stated facts and inferred details.

Question 14

According to the passage, what is the Great Barrier Reef made of?

Passage: The Great Barrier Reef lies off the northeast coast of Australia. It is the largest coral reef system on Earth. The reef is not a single solid wall. Instead, it is made of many reefs and islands that stretch for over 1,400 miles. Corals are tiny animals that live in colonies. Over time, their hard skeletons build up and form reef structures.

The passage explains that the reef is home to many kinds of sea life. Fish, sea turtles, and sharks live in or near the coral. People travel to the area to snorkel, dive, and study marine habitats. However, the reef faces threats. Warmer ocean temperatures can cause coral bleaching, which harms corals. Pollution can also damage water quality. Scientists and local groups work to protect the reef by studying it and reducing harmful impacts.

  1. One continuous stone wall under the ocean
  2. Many reefs and islands stretching long distances (correct answer)
  3. Only floating seaweed mats near Australia
  4. A chain of volcanoes rising above the sea
Explanation: This question tests ISEE Middle Level reading comprehension skills, specifically the ability to find information stated directly in the text. The skill involves identifying explicit details within a passage, which requires careful reading and attention to specific facts and statements. In this passage, students must locate information about what the Great Barrier Reef is made of, which is directly stated: "Instead, it is made of many reefs and islands that stretch for over 1,400 miles." Choice B is correct because it accurately reflects the information provided in the passage about the reef being made of many reefs and islands stretching long distances, demonstrating the student's ability to retrieve explicit information. Choice A is incorrect because the passage explicitly states it is "not a single solid wall," while choices C and D describe compositions not mentioned in the text. To help students, encourage them to highlight or underline descriptive details about physical structures as they read, and practice comparing answer choices directly with the text to ensure accuracy. Emphasize the importance of noting when the text explicitly negates certain possibilities.

Question 15

In the passage, what year did the Wright brothers first fly?

Passage: Wilbur and Orville Wright were brothers from Ohio who worked with bicycles before they built airplanes. They were interested in flight, and they read carefully about earlier experiments. By 1900, they began testing gliders near Kitty Hawk, North Carolina, because the area had strong winds and soft sand. They took notes, measured results, and improved their designs.

On December 17, 1903, the Wright brothers made the first successful powered flight in a heavier-than-air machine. Their airplane, called the Flyer, lifted off the ground and stayed in the air for a short time. The first flight lasted 12 seconds and traveled 120 feet. The brothers completed three more flights that day, each one longer than the last. Their work helped prove that controlled, powered flight was possible. In later years, they continued to refine their airplanes and demonstrated them to the public.

  1. 1903 (correct answer)
  2. 1912
  3. 1899
  4. 1920
Explanation: This question tests ISEE Middle Level reading comprehension skills, specifically the ability to find information stated directly in the text. The skill involves identifying explicit details within a passage, which requires careful reading and attention to specific facts and statements. In this passage, students must locate information about when the Wright brothers first flew, which is directly stated: "On December 17, 1903, the Wright brothers made the first successful powered flight in a heavier-than-air machine." Choice A (1903) is correct because it accurately reflects the information provided in the passage about the year of their first flight, demonstrating the student's ability to retrieve explicit information. Choices B (1912), C (1899), and D (1920) are incorrect because they are not mentioned in the passage, with only 1900 being referenced as when they began testing gliders. To help students, encourage them to highlight or underline key dates and achievements as they read, and practice comparing answer choices directly with the text to ensure accuracy. Emphasize the importance of distinguishing between different dates mentioned for different activities in the passage.

Question 16

In the passage, what did Mae Jemison do in 1992?

Passage: Mae Jemison was born on October 17, 1956, in Decatur, Alabama, and she grew up in Chicago, Illinois. She enjoyed science and also studied dance. Jemison earned degrees in chemical engineering and medicine. Before becoming an astronaut, she worked as a doctor and served in the Peace Corps, where she helped with health care in West Africa.

In 1987, Jemison joined NASA's astronaut program. On September 12, 1992, she traveled to space aboard the shuttle Endeavour on mission STS-47. She became the first Black woman to travel in space. During the mission, the crew performed experiments that studied the human body and materials in microgravity. After leaving NASA, Jemison continued to support science education and encouraged students to explore careers in science and technology.

  1. She traveled to space on the shuttle Endeavour (correct answer)
  2. She became the first person to walk on the Moon
  3. She invented the first home computer
  4. She discovered a new planet near Saturn
Explanation: This question tests ISEE Middle Level reading comprehension skills, specifically the ability to find information stated directly in the text. The skill involves identifying explicit details within a passage, which requires careful reading and attention to specific facts and statements. In this passage, students must locate information about what Mae Jemison did in 1992, which is directly stated: "On September 12, 1992, she traveled to space aboard the shuttle Endeavour on mission STS-47." Choice A is correct because it accurately reflects the information provided in the passage about Jemison traveling to space on the shuttle Endeavour, demonstrating the student's ability to retrieve explicit information. Choices B, C, and D are incorrect because they describe achievements not mentioned in the passage, illustrating common mistakes of confusing different historical figures or events. To help students, encourage them to highlight or underline specific dates and corresponding events as they read, and practice comparing answer choices directly with the text to ensure accuracy. Emphasize the importance of matching dates with their correct events when multiple dates appear in a passage.

Question 17

Which of the following is mentioned in the text about recycling?

Passage: Recycling is a process that turns used materials into new products. Many communities collect items like paper, glass, metal, and certain plastics. In a typical recycling program, people place approved items into a special bin. Trucks then take the materials to a sorting center. At the center, workers and machines separate items by type.

After sorting, the materials are cleaned and prepared for factories. Paper can be turned into new cardboard or notebook pages. Aluminum cans can be melted and made into new cans. Recycling can reduce the amount of trash sent to landfills. However, the passage explains that not every item belongs in the recycling bin. Food-covered containers, for example, may cause problems during sorting. Following local rules helps a recycling program work better.

  1. Food-covered containers may cause sorting problems (correct answer)
  2. All plastics are always accepted everywhere
  3. Recycling trucks deliver items to grocery stores
  4. Recycling was invented in the Middle Ages
Explanation: This question tests ISEE Middle Level reading comprehension skills, specifically the ability to find information stated directly in the text. The skill involves identifying explicit details within a passage, which requires careful reading and attention to specific facts and statements. In this passage, students must locate information about recycling, which is directly stated: "Food-covered containers, for example, may cause problems during sorting." Choice A is correct because it accurately reflects the information provided in the passage about food-covered containers causing sorting problems, demonstrating the student's ability to retrieve explicit information. Choices B, C, and D are incorrect because they either contradict the passage (B states all plastics are always accepted, but the passage says "certain plastics") or describe information not found in the text. To help students, encourage them to highlight or underline specific problems and solutions mentioned in the text, and practice comparing answer choices directly with the passage to ensure accuracy. Emphasize the importance of reading carefully to catch qualifying words like "certain" or "may" that affect meaning.

Question 18

According to the passage, in what year did the Berlin Wall fall?

Passage: On November 9, 1989, crowds gathered in Berlin after East German officials announced new travel rules. For years, the Berlin Wall had divided East Berlin and West Berlin. The wall was built in 1961, and it became a powerful symbol of the Cold War. On the night of November 9, border guards opened several checkpoints. Many people crossed into West Berlin, some for the first time in decades. Soon, families met again, and strangers celebrated together in the streets. People also climbed onto the wall and began breaking off pieces with hammers.

The fall of the wall did not instantly solve every problem in Germany, but it did mark a major change in Europe. Less than a year later, on October 3, 1990, East and West Germany officially reunited as one country. Leaders then faced challenges such as combining schools, laws, and money systems. Still, many Germans remembered the night of November 9 as a turning point. Museums today display pieces of the wall to help visitors learn about life in a divided city.

  1. 1990
  2. 1961
  3. 1989 (correct answer)
  4. 1975
Explanation: This question tests ISEE Middle Level reading comprehension skills, specifically the ability to find information stated directly in the text. The skill involves identifying explicit details within a passage, which requires careful reading and attention to specific facts and statements. In this passage, students must locate information about when the Berlin Wall fell, which is directly stated in the first sentence: "On November 9, 1989, crowds gathered in Berlin after East German officials announced new travel rules." Choice C (1989) is correct because it accurately reflects the information provided in the passage about the year the Berlin Wall fell, demonstrating the student's ability to retrieve explicit information. Choice B (1961) is incorrect because this is when the wall was built, not when it fell, while choices A (1990) and D (1975) are not mentioned in the passage at all. To help students, encourage them to highlight or underline key dates as they read, and practice comparing answer choices directly with the text to ensure accuracy. Emphasize the importance of distinguishing between different events mentioned in the passage, such as when the wall was built versus when it fell.

Question 19

Which of the following is mentioned in the text about Rosa Parks?

Passage: Rosa Parks was born on February 4, 1913, in Tuskegee, Alabama. As an adult, she lived in Montgomery, Alabama, and worked as a seamstress. She also helped the local chapter of the NAACP, an organization that fought for civil rights. On December 1, 1955, Parks rode a city bus home from work. When the bus driver told her to give up her seat to a white passenger, she refused. She was arrested for breaking the city's segregation rules.

Her arrest led to the Montgomery Bus Boycott, which began on December 5, 1955. Many Black residents refused to ride city buses for over a year. During the boycott, leaders held meetings to plan peaceful protests and carpools. In 1956, the U.S. Supreme Court ruled that bus segregation in Montgomery was unconstitutional. Parks later moved to Detroit and continued working for fairness and equal rights. She became a lasting symbol of courage and peaceful change.

  1. She was a famous bus driver in Montgomery
  2. She refused to give up her bus seat (correct answer)
  3. She wrote the Constitution for Alabama
  4. She ended segregation in every U.S. city
Explanation: This question tests ISEE Middle Level reading comprehension skills, specifically the ability to find information stated directly in the text. The skill involves identifying explicit details within a passage, which requires careful reading and attention to specific facts and statements. In this passage, students must locate information about Rosa Parks, which is directly stated: "When the bus driver told her to give up her seat to a white passenger, she refused." Choice B is correct because it accurately reflects the information provided in the passage about Parks refusing to give up her bus seat, demonstrating the student's ability to retrieve explicit information. Choice A is incorrect because the passage states she was a seamstress, not a bus driver, while choices C and D describe actions not mentioned in the passage. To help students, encourage them to highlight or underline key actions and events as they read, and practice comparing answer choices directly with the text to ensure accuracy. Emphasize the importance of reading carefully to avoid confusing similar-sounding but different roles or actions.

Question 20

What fact does the author state about Fleming's discovery?

Passage: In 1928, a scientist named Alexander Fleming worked at St. Mary's Hospital in London. He studied bacteria, which are tiny living things that can cause disease. One September morning, Fleming returned from a vacation and looked at some petri dishes in his lab. In one dish, he noticed a strange mold growing by accident. Around the mold, the bacteria had disappeared. Fleming wrote down what he saw and tested the mold again.

Fleming learned that the mold made a substance that killed certain bacteria. He named this substance penicillin. At first, penicillin was difficult to produce in large amounts. Later, other scientists helped develop ways to make more of it, especially during World War II. Doctors then used penicillin to treat infections that once killed many people. Fleming's careful observation, along with later teamwork, led to one of the most important medicines in modern history.

  1. He discovered penicillin in 1928 (correct answer)
  2. He invented vaccines during World War I
  3. He found mold by exploring a rainforest
  4. He produced penicillin easily in huge amounts
Explanation: This question tests ISEE Middle Level reading comprehension skills, specifically the ability to find information stated directly in the text. The skill involves identifying explicit details within a passage, which requires careful reading and attention to specific facts and statements. In this passage, students must locate information about Fleming's discovery, which is directly stated in the first sentence: "In 1928, a scientist named Alexander Fleming worked at St. Mary's Hospital in London." Choice A is correct because it accurately reflects the information provided in the passage about Fleming discovering penicillin in 1928, demonstrating the student's ability to retrieve explicit information. Choice B is incorrect because the passage mentions World War II in relation to later scientists, not Fleming's initial discovery, while choices C and D contain information not found in the passage. To help students, encourage them to highlight or underline key facts about people and their achievements as they read, and practice comparing answer choices directly with the text to ensure accuracy. Emphasize the importance of distinguishing between directly stated facts and inferred details.