2nd Grade Science : Life Science

Study concepts, example questions & explanations for 2nd Grade Science

varsity tutors app store varsity tutors android store

Example Questions

← Previous 1 3 4 5 6 7

Example Question #1 : Life Science

Select the best example of a habitat for a fish. 

Possible Answers:

Land

Ocean

Dessert 

Forest

Correct answer:

Ocean

Explanation:

A habitat is a home of a plant or animal. 

Fish live in water, so given the answer options the ocean is the best choice. A fish would not be able to survive in a forest, desert, or on land. 

Example Question #1 : Life Science

Select the best example of a habitat for an owl. 

Possible Answers:

Ocean 

Forest 

Sea

River

Correct answer:

Forest 

Explanation:

A habitat is a home of a plant or animal. 

An owl is a type of bird that lives in trees, which are found in forests. Owls could not survive in the sea, ocean, or river because they can't swim. Also, they eat rodents, which are not found in bodies of water. 

Example Question #1 : Life Science

Select the best example of a habitat for a whale. 

Possible Answers:

Forest

Ocean

Desert 

Pond

Correct answer:

Ocean

Explanation:

A habitat is a home of a plant or animal. 

Whales live in water, which means forest and desert are not the correct habitats for a whale. A pond is a small body of water, and most ponds are not very deep. Whales are large animals that require a lot of space, making ocean the best habitat a whale. 

Example Question #2 : Life Science

Select the best example of a habitat for a deer. 

Possible Answers:

River

Desert 

Land

Ocean 

Correct answer:

Land

Explanation:

 habitat is a home of a plant or animal. 

A deer is an animal that lives on the land, and they eat a lot of plants. They can't survive is very hot temperatures, which makes a desert a bad habitat for deer. Also, deers can't swim which would make an ocean and a river bad habitats for deer. 

Example Question #1 : Sunlight, Water, And Plant Growth

What do plants need to grow?

Possible Answers:

Moonlight and wind

Water and wind

Sunlight and water

Sunlight and moonlight

Correct answer:

Sunlight and water

Explanation:

For plants to grow and survive, they need sunlight and water. Water is collected through the roots of the plant and absorbed from the soil. Sunlight is collected through the leaves of the plant to use in the process of photosynthesis to make food. Plants cannot live without sunlight and water.

Example Question #2 : Plan An Investigation To See Whether Plants Need Sun And Water

Justin wants to plan an investigation to see if a plant can live without sunlight or water. What list of materials is appropriate for this type of investigation?

Possible Answers:

Water, two plants, a window, a dark closet, a pencil, paper, and a ruler

Seventeen plants, a window, water, and a pencil

Water, one plant, a dark closet, a ruler

Water, ten plants, three windows, two dark closets, a pencil, paper, ruler, and matches

Correct answer:

Water, two plants, a window, a dark closet, a pencil, paper, and a ruler

Explanation:

If Justin wants to plan an investigation, an important part is to have the right supplies or materials. Justin will need two plants, one to place in the sunlight and one in the dark, water for the plant in the sunshine, a ruler to measure growth, and paper and pencil to record observations. The other lists are incomplete or have materials that are not needed for this investigation.

Example Question #1 : Plan An Investigation To See Whether Plants Need Sun And Water

Brandon is curious about what keeps plants alive and helps them to grow. Which answer choice is a testable, scientific question that relates to the topic?

Possible Answers:

What would happen if plants did not receive water or sunlight?

Which plant is the prettiest, the daisy, or lilac?

Which plant, the rose bush or sunflower, grows the tallest?

How many different plants are there in a garden?

Correct answer:

What would happen if plants did not receive water or sunlight?

Explanation:

Most investigations or experiments start with a question. In this case, Brandon is wondering about keeping plants alive and helping them grow. A scientific question must be testable, meaning someone can collect data and observations, and it should be related to what the person was wondering. The correct answer choice is testable and related. Water and sunlight are essential to a plant's survival, so they would be good variables to test.

Example Question #1 : Sunlight, Water, And Plant Growth

Virginia is planning an investigation to test what would happen if she does not give rose plants sunlight or water. Her teacher tells her to state her hypothesis or prediction of what she thinks the results will be. Which hypothesis is most reasonable?

Possible Answers:

"I believe that the rose plants will bloom beautiful flowers and have tall green stems."

"I believe that the rose plants are prettier than most other flowers, so they will be fine."

"I believe the rose plants will start to die but then come back to life. They will survive and grow tall."

"I believe the rose plants will not survive without sunlight or water. They will wilt and die over time."

Correct answer:

"I believe the rose plants will not survive without sunlight or water. They will wilt and die over time."

Explanation:

A hypothesis is stated before an investigation or experiment is performed, and the evidence collected will either support or will not support the prediction. A hypothesis should be reasonable and related to the topic. Virginia is testing what would happen to plants without water or sunlight; these are two critical pieces to a plant's survival. Using background knowledge or personal experiment, a prediction can be made that the plants will not survive. "I believe the rose plants will not survive without sunlight or water. They will wilt and die over time." is the most reasonable hypothesis.

Example Question #1 : Plan An Investigation To See Whether Plants Need Sun And Water

Nick is planning an investigation to see if plants grow better in the dark or somewhere sunny. Which data table set-up would be best for him to use during this investigation?

Possible Answers:

Screen shot 2020 06 03 at 9.37.07 am

Screen shot 2020 06 03 at 9.37.24 am

Screen shot 2020 06 03 at 9.37.15 am

Screen shot 2020 06 03 at 9.36.57 am

Correct answer:

Screen shot 2020 06 03 at 9.36.57 am

Explanation:

In this investigation, Nick is only testing if plants grow better somewhere dark or sunny. The water the plants receive should be the same, and there should be some plants in the sun and some in the dark so they can be measured and observed. There have to be plants in both locations to compare growth.

Example Question #1 : Plan An Investigation To See Whether Plants Need Sun And Water

Christopher is planning an investigation to see whether plants need sunlight and water to grow and survive. Which title would be best for his experiment?

Possible Answers:

"Do Plants Need Sunlight to Grow?"

"Do Plants Need Water to Grow?"

"Do Plants Need Sunlight and Water to Grow More Than One Foot Tall?"

"Do Plants Need Sunlight and Water to Grow?"

Correct answer:

"Do Plants Need Sunlight and Water to Grow?"

Explanation:

The best title for Christopher's experiment would be "Do Plants Need Sunlight and Water to Grow?". It is short and includes all of the vital information. It doesn't leave anything out or have any parts that are irrelevant to the experiment.

← Previous 1 3 4 5 6 7
Learning Tools by Varsity Tutors