Science fourth grade review

Question Answer
1. If you are given a picture and asked to make an OBSERVATION, you must choose the answer that includes only: things that you can actually see with your own eyes
2. Which is NOT an observation I could make while looking up at the sky? "The sky is blue." "A big, dark cloud is moving in" "Soon it's going to rain." "Soon it's going to rain" is not an observation. It is a prediction.
3. The mass of an object is: the amount of matter in an object – – how heavy it is.
4. Given a 2-liter bottle of Coke, 2 liters is a measure of: the volume of Coke – or how much space it takes up.
5. The capacity of a container is how much it can hold. The capacity our large Coke bottle, even if it is empty, is: 2 liters
6. The capacity of an eyedropper would be a few: milliliters
7. A milliliter of liquid is: a few drops
8. The volume of liquid in a graduated cylinder might be 50: ml or 50 milliliters
9. The volume of liquid in a beaker might be 300: ml or 300 milliliters
10. One thousand milliliters equals: 1 liter
10a. A liter is close in volume to a: quart
11.An instrument used to measure mass is a: balance
12. The mass of a paperclip or a sheet of paper is about: 1 gram or 1g
13. The mass of a book could be about: 1 kilogram or 1kg
14. 1000 grams equal: 1 kilogram
15a. Volume of a liquid or capacity of a container is measured in these metric units: milliliters (mL)
15b. Mass is measured in these metric units: grams (g)
16. A centimeter is about as long as your: fingernail
17. The length of each of these dashes – – – is about: 1 or 2 millimeters (mm)
18. If your fingernail is one centimeter long, how long is it in millimeters? 10 (10mm = 1cm)
19. The distance from your waist to the floor could be about: 1 meter or 1m
20. One-hundred centimeters equals: 1 meter
22. One thousand meters equals: 1 kilometer or 1km
23. In an experiment to measure the how different types of soil affect tulip growth, you fill five identical pots with different types of soil and place a tulip bulb in each. The variable in the experiment is the: soil
24. The pots, tulip bulbs, water and amount of sunlight are should be the same for all of the pots. These are the: constants
25. For accuracy, you perform the experiment many times. In the first three trials, the tulip in sandy soil grows only 10cm tall before dying. The 4th trial, the tulip grows 15cm tall and flowers. Which result is unusual? The 4th trial (15cm) because it is different from the others.
26. Objects in motion have ______ energy. kinetic
27. Potential energy is ________ energy. stored
28. Due to the pull of gravity, the higher an object is off the ground, the more ____________ it has. potential energy
29. When I hold a ball in the air, it has potential energy. When I let go, the ball starts to fall. Potential energy changes to: kinetic energy

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