Practice Test 3 - 1st Grade Science
20 questions. Answer them in any order, then submit to see your score and every explanation.
- Sofia cannot reach the high shelf for paper. She sketches a step stool with a wide base and a flat top to stand on. She draws two steps and labels the top "stand here." The stool looks short and sturdy. Which part of the shape helps solve the problem?
- Read Jamal's chart. What did the new plants inherit?
Feature Parent Tomato Plant Offspring Plants Same? Tomato color Red Red Yes Stem/leaf color Green Green Yes Height About 3 feet About 3 feet Yes Needs Water and sun Water and sun Yes Seeds Seeds in tomatoes Seeds in tomatoes Yes - Look at Emma's kitten chart. Are all kittens exactly the same?
- Read about Marcus and a guitar. He pulls a string; it moves back and forth and makes sound. What caused the sound?
- What would happen without spider carrying, based on evidence?
- In the cafeteria, some kids cannot open their milk cartons. Lunch time feels rushed when kids need help. Maya asked, "Who needs help opening it?" Amir asked, "What part is hardest to open?" Yuki asked, "When do kids ask for help most?" Their questions help them gather information before trying to change anything. What is the purpose of asking questions about the situation?
- Look at Keisha's tomato chart. What does it show about variation?
- In the classroom, pencil boxes spill on the floor. Pencils roll away and get lost. Chen asked, "Where do the pencils roll to?" Emma asked, "How often do boxes spill?" Amir asked, "What are we doing when it happens?" Their questions help them learn about the problem. What is the purpose of asking questions about the situation?
- Amir and Maya study container tests. Design A was one box, and items got mixed (yes). Design B had dividers, and items stayed separated (yes). They use the data to find strengths and weaknesses. From the testing, why are dividers a strength in Design B?
- Marcus did not look at the sun. His shadow was long before school. When is the sun low?
- Which evidence best shows spider carrying causes baby survival?
- Read about Keisha's whistles. What does 2 short whistles mean?
- In January, it gets dark by 5:00 pm. In July, it gets dark by 8:30 pm. When are days shorter?
- In the classroom, Jamal and Maya try to hang backpacks on hooks. They notice some hooks are too high for first graders. They ask 6 classmates to try, and 4 cannot reach. The teacher writes the numbers on the board and says, "Now define the problem." Jamal says, "We want everyone to hang backpacks by themselves." Maya defines it: "The problem is that the hooks are too high to reach." They think a new tool could help kids reach. Based on their investigation, what is the problem?
- In engineering time, Maya and Jamal had a problem: books fell when carried. They made two tray designs to help. Design A was a flat board with no edges. Design B was a board with raised edges. When they tested the designs, they did the same test for both: they put 3 books on each tray and walked 10 steps. They collected data by counting how many books fell off each tray. Their results were: Design A had 2 books fall, and Design B had 0 books fall. They wrote the results in a simple table. What data did they collect from testing both designs?
- After gym, kids rush to put away cones and balls. Some things get left out and the closet is messy. Sofia asked, "What gets left out most?" Jamal asked, "When do we feel rushed?" Marcus asked, "Where should each item go?" Asking questions helps them understand what people want to change. How do the questions help with the problem?
- Read about animal parents and babies. What pattern do we see in parent care?
- Read the plan. What does this plan test? QUESTION: Can we make sound by making things vibrate? MATERIALS: triangle, stick STEPS: 1) Hold the triangle by the string. 2) Tap it with the stick. 3) Watch and listen. OBSERVE: Does it shake? What sound happens? RESULT: The triangle shakes and rings until you grab it.
- Jamal looked at 9 PM all week. What pattern did he see?
- In June, the sun sets at 8:30 pm. In December, it sets at 5:00 pm. When is there more daylight?