Practice Test 6 - 1st Grade Science
20 questions. Answer them in any order, then submit to see your score and every explanation.
- In the classroom, Amir and Maya look for pencils at writing time. They notice pencils, crayons, and markers are all in one bin. They count and find 9 pencils mixed under crayons. Maya asks, "Where do we put pencils when we're done?" Amir says, "Anywhere in the bin." The teacher says, "Use your observations to define one problem." They decide: "The problem is pencils get mixed up, so we can't find them fast." A new object could sort supplies. Based on their observations, what is the problem?
- Amir watches the sky every day. Nighttime shows many stars. Daytime shows no stars. Which shows the pattern?
- How does the cheetah book prove practice prey helps cub survival?
- In the gym, Chen and Maya see jump ropes in a big pile. They ask, "How long does cleanup take?" They time it: 6 minutes to untangle ropes. Three students say, "My rope has knots." The teacher says, "State the problem clearly." They think a new tool could store ropes neatly. Which statement is clear and specific?
- Look at Emma's chart. Which features are the same?
- Emma tested her new parachute like dandelion seeds. Before, the toy fell fast and broke; after, it floated down slowly and landed safe. How does the design solve her problem?
- Jamal noticed: In July it stayed light until 8pm, but in January it was dark by 5pm. How does the time of year relate to daylight?
- Read about sea turtles. How does a nest help babies survive?
- Read Amir's plan: shine a lamp at a wall and hold a book in the beam. What will happen to the light?
- Marcus and Yuki compare two containers using results. Design A (one box) had items get mixed (yes). Design B (box with dividers) had items stay separated (yes). They say evidence comes from the test results. Based on the data, what is a weakness of Design A?
- In the cafeteria, Amir and Marcus watch kids carry lunch trays. They ask, "What happens when you carry two things?" Three students say, "My milk falls." They count 5 spills in one lunch time. The floor gets slippery near the table. Their teacher says, "Use what you found to define the problem." They think a new tray tool could help. Based on their questions, what is the problem?
- At the playground, Chen and Emma see water bottles tip over on the bench. They watch for 10 minutes and count 3 spills. They notice the bench is slanted and bottles are round at the bottom. Their teacher says, "Use your observations to define the problem." They want bottles to stay upright. A new or improved object or tool could help. Which describes the problem that could be solved with a new tool or object?
- Read about Chen. At night he could not see the red ball. In the morning, it was bright and he could see it. Why can we see things?
- In the classroom, Emma's crayons and pencils keep getting mixed up. During design time, she makes a sketch of a rectangular box with three straight dividers inside, making four sections. She labels the lines "dividers" and draws small crayons in one section and pencils in another. The box has tall sides and a flat bottom. The dividers are the main shape feature she shows. How does the shape in the drawing help solve the problem?
- Read about Emma. In the dark, she could not see her stuffed bear. When the lamp turned on, she could see it. What did Emma need to see the bear?
- Chen looks out at bedtime: dark sky, many stars. In morning: bright sky, no stars. Which is true?
- Look at the chart: Summer sunrise 5:50 am, winter sunrise 7:20 am. In which season does the sun rise earlier?
- Maya and Marcus compare shelf designs using test data. Design A (one shelf) held 8 books. Design B (three shelves) held 24 books. They say a weakness is when a design holds less than needed. They use the numbers as evidence. Based on the data, what is a weakness of Design A?
- Yuki measured her shadow at noon. Monday: short. Tuesday: short. Wednesday: short. Thursday: short. What can you predict for noon Friday?
- In the cafeteria, milk cartons are hard to open and spill on trays. Sofia asked, "Why is this difficult?" Jamal asked, "Who spills the most?" Chen asked, "When do spills happen?" Their questions help them learn what people want to change. How do the questions help with the problem?