1. Which object requires the most force to move a distance of 1 meter?

1. 1. Which object requires the most force to move a distance of 1 meter? A. Bird feather B. Rubber ball C. Block of cement D. Block of wood

2. 1. Which object requires the most force to move a distance of 1 meter? D. Block of wood

3. Students placed two identical toy cars on these wooden ramps. The students let the cars roll down the ramps. 2. What causes these cars to move down the ramps? A. Electricity B. A force that pulls C. Magnets D. A force that lifts

4. Students placed two identical toy cars on these wooden ramps. The students let the cars roll down the ramps. 2. What causes these cars to move down the ramps? B. A force that pulls

5. 3. A fork falls off the edge of a table. Which force moves the fork toward the floor? F. The pull of Earth’s gravity G. The pull of Earth’s rotation H. The push of the table J. The push of air pressure

6. 3. A fork falls off the edge of a table. Which force moves the fork toward the floor? F. The pull of Earth’s gravity

7. 4. A car will skid more on a wet road than on a dry road. This happen because between the tires and the dry road, there is more — A. Gravity B. Magnetism C. Friction D. heat

8. 4. A car will skid more on a wet road than on a dry road. This happen because between the tires and the dry road, there is more — C. Friction

9. 5. The picture shows different points along a toy rocket’s path after it blasted off. How much height did the rocket gain between Points Q and R?

10. 5. The picture shows different points along a toy rocket’s path after it blasted off. How much height did the rocket gain between Points Q and R?

11. 6. Which force is most responsible for raindrops falling to Earth? F. Friction G. Wind H. Thrust J. Gravity

12. 6. Which force is most responsible for raindrops falling to Earth? J. Gravity

13. 7. The picture shows the process of — F. Melting G. Boiling H. Condensing J. freezing

14. 7. The picture shows the process of — F. Melting

15. 8. Ice cream in a bowl changed from solid to liquid in a few minutes. Which of the following most likely caused this change? A . Bacteria grew in the ice cream. B. Heat was added to the ice cream. C. Water evaporated from the ice cream. D. Frozen berries were sprinkled on the ice cream.

16. 8. Ice cream in a bowl changed from solid to liquid in a few minutes. Which of the following most likely caused this change? B. Heat was added to the ice cream.

17. 9. Which process will separate the sugar from a mixture of sugar and water? A. Stirring the mixture B. Evaporating the water C. Adding more water D. Adding more sugar

18. 9. Which process will separate the sugar from a mixture of • sugar and water? • B. Evaporating the water

19. 10. Which of these mixtures would be easiest to separate? F. Fruit salad G. Powdered lemonade H. Hot chocolate J. Instant pudding

20. 10. Which of these mixtures would be easiest to separate? F. Fruit salad

21. 11. If the person in the middle lets go of the rope, in which direction would objects X and Y go? A. X up, Y up B. X up, Y down C. X down, Y down D. X down, Y up

22. 11. If the person in the middle lets go of the rope, in which direction would objects X and Y go? C. X down, Y down

23. Landfill X Landfill Y12. The diagram shows landfills where two communities put garbage. What is the advantage of Landfill Y?F. The waste lasts longer. G. The groundwater is safer. H. The soil contains more nutrients.J. The trucks move faster.

24. Landfill X Landfill Y12. The diagram shows landfills where two communities put garbage. What is the advantage of Landfill Y?G. The groundwater is safer.

25. 13.. The picture shows two bowling balls being held in position with four ropes. The box will be flipped upward if which rope is cut?A. W B. XC. Y D. Z

26. 13.. The picture shows two bowling balls being held in position with four ropes. The box will be flipped upward if which rope is cut?B. X

27. 14. Moving water has energy. Energy from the water that moves through a dam is changed mainly to — A. magnetic energy B. solar energy C. electrical energy D. light energy

28. 14. Moving water has energy. Energy from the water that moves • through a dam is changed mainly to — • C. electrical energy

29. 15. Which of these is a good conductor of electricity? F. Glass G. Metal H. Rubber J. Plastic

30. 15. Which of these is a good conductor of electricity? G. Metal

31. 16. Which of the following can be attracted to a magnet? F. Gold ring G. Glass marble H. Iron needle J. Wool sock

32. 16. Which of the following can be attracted to a magnet? H. Iron needle

33. 17. Matter can undergo changes. When water boils, a — F. liquid becomes a solid G. solid becomes a liquid H. liquid becomes a gas J. gas becomes a solid

34. 17. Matter can undergo changes. When water boils, a — H. liquid becomes a gas

35. 18. In an experiment salt and sand are mixed together. Which of these procedures could be used to most easily separate the salt from the sand? A C B D

36. 18. In an experiment salt and sand are mixed together. Which of these procedures could be used to most easily separate the salt from the sand? A.

37. 19. Carbon powder and iron filings are both black powders. When mixed together, they look like one black powder. Which of these would be best to use to separate the iron filings from the carbon powder? F. A magnifying glass G. Heat H. A magnet J. Water

38. 19. Carbon powder and iron filings are both black powders. When mixed together, they look like one black powder. Which of these would be best to use to separate the iron filings from the carbon powder? H. A magnet

39. 20. A company collects cans for recycling. Some cans are made of aluminum, and some are made of iron. Which of the following is the best way to separate the two types of cans?A. Heat the iron cans until they meltB. Use scissors to cut the cansC. Use a magnet to pick up the iron cansD. Float the cans in water

40. 20. A company collects cans for recycling. Some cans are made of aluminum, and some are made of iron. Which of the following is the best way to separate the two types of cans?C. Use a magnet to pick up the iron cans

41. 21. A student places a sugar cube in a beaker of water. What change will occur? A. The sugar cube will not change. B. More water will be formed. C. The sugar cube will become smaller. D. The water will form crystals

42. 21. A student places a sugar cube in a beaker of water. What change will occur? C. The sugar cube will become smaller.

43. 22. In an activity, 20 grams of salt are dissolved in 70 grams of pure water. The water is then heated on a hot plate. When the water evaporates completely, how much salt will be left? A 0 grams B 18 grams C 20 grams D 22 grams

44. 22. In an activity, 20 grams of salt are dissolved in 70 grams of pure water. The water is then heated on a hot plate. When the water evaporates completely, how much salt will be left? C. 20 grams

45. 23. Crystals were grown on a string in a clean glass jar containing sugar dissolved in hot water. The crystals grew on the string to several weeks. What kind of crystals are they? F. String G. Water H Glass J. Sugar

46. 23. Crystals were grown on a string in a clean glass jar containing sugar dissolved in hot water. The crystals grew on the string to several weeks. What kind of crystals are they? J. Sugar

47. 24. A teaspoon of clean, dry sand is added to a cup of warm saltwater. What is most likely to happen after the mixture is stirred and then placed on a table for five minutes? A. The amount of water will increase.B. The salt will float to the top.C. The sand will settle to the bottom.D. The cup will heat up.

48. 24. A teaspoon of clean, dry sand is added to a cup of warm saltwater. What is most likely to happen after the mixture is stirred and then placed on a table for five minutes? C. The sand will settle to the bottom.

49. 25. Which of the following thermometers shows the boiling point of water in a pan? F G H J

50. 25. Which of the following thermometers shows the boiling point of water in a pan? G.