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 Masses of Objects Bird feather Rubber ball Block of cement wood 0.01 g 1 g 10 g 14 g

1. Which object requires the most force to move a distance of 1 meter? D. Block of wood Masses of Objects Bird feather Rubber ball Block of cement wood 0.01 g 1 g 10 g 14 g

Students placed two identical toy cars on these wooden ramps 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

Students placed two identical toy cars on these wooden ramps 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

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

F. The pull of Earth’s gravity 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

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

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

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?

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?

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

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

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

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

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.

B. Heat was added to the ice cream. 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.

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

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

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

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

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

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

Landfill X Landfill Y 12. 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.

Landfill X Landfill Y 12. The diagram shows landfills where two communities put garbage. What is the advantage of Landfill Y? G. The groundwater is safer.

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. X C. Y D. Z

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

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

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

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

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

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

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

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

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

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 • stir the mixture into a glass of water • pour the mixture in the glass through a filter • evaporate the water • put the mixture in a pan • heat the pan for 10 minutes • let the hot mixture cool slowly • spread the mixture into a thin layer • look at the mixture through a magnifying glass • separate the crystals with a pin • pour the mixture onto a piece of paper • brush the mixture into a pile • drag a magnet through the pile

• stir the mixture into a glass of water 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. • stir the mixture into a glass of water • pour the mixture in the glass through a filter • evaporate the water

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

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

20. A company collects cans for recycling 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 melt B. Use scissors to cut the cans C. Use a magnet to pick up the iron cans D. Float the cans in water

20. A company collects cans for recycling 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

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

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

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

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

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

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

24. A teaspoon of clean, dry sand is added to a cup of warm saltwater 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.

24. A teaspoon of clean, dry sand is added to a cup of warm saltwater 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.

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

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

26. Which picture best shows the process of condensation? A. C. B. D.

26. Which picture best shows the process of condensation?

27. When a chocolate bar is heated by the sun, all of the following are likely to be seen EXCEPT — F. Boiling G. a liquid H. Melting J. a change in shape

27. When a chocolate bar is heated by the sun, all of the following are likely to be seen EXCEPT — F. Boiling

28. Which two properties of a crayon will stay about the same after the crayon is melted? A. Shape and physical state B. Temperature and hardness C. Color and mass D. Thickness and texture

28. Which two properties of a crayon will stay about the same after the crayon is melted? C. Color and mass

29. Some students were studying properties of water 29. Some students were studying properties of water. One student placed a cup containing 80 mL of water in a freezer. Another student placed an identical cup containing 40 mL of water in a different freezer. Which of the following will be the same for both cups of water? A . The temperature at which the water freezes B. The mass of the frozen water C. The time it takes the water to freeze D. The volume of the frozen water

29. Some students were studying properties of water 29. Some students were studying properties of water. One student placed a cup containing 80 mL of water in a freezer. Another student placed an identical cup containing 40 mL of water in a different freezer. Which of the following will be the same for both cups of water? A. The temperature at which the water freezes

30. What two forms of energy does a flame from a burning candle release? F. Electrical and mechanical G. Chemical and electrical H. Light and heat J. Heat and nuclear

30. What two forms of energy does a flame from a burning candle release? H. Light and heat

31. The diagram above shows a light ray approaching a mirror 31. The diagram above shows a light ray approaching a mirror. Which of the diagrams below shows how the light travels after striking the mirror? A B C D

31. The diagram above shows a light ray approaching a mirror 31. The diagram above shows a light ray approaching a mirror. Which of the diagrams below shows how the light travels after striking the mirror? B

32. All the following are examples of light being refracted EXCEPT — B D

32. All the following are examples of light being refracted EXCEPT —

33. Light traveling through a pair of eyeglasses is — F. Refracted G. Transmitted H. Absorbed J. reflected

33. Light traveling through a pair of eyeglasses is — F. Refracted

34. A student holds a note card behind a jar of water 34. A student holds a note card behind a jar of water. Which of the following best explains why the part of the note card seen through the jar looks different from the rest of the note card? A. The jar reflects light hitting its surface. B. The water absorbs light hitting its surface. C. The jar scatters light passing through it. D. The water bends light passing through it.

34. A student holds a note card behind a jar of water 34. A student holds a note card behind a jar of water. Which of the following best explains why the part of the note card seen through the jar looks different from the rest of the note card? D. The water bends light passing through it.

35. The picture shows a clear glass marble on top of some words 35. The picture shows a clear glass marble on top of some words. Some of the letters look different because light — F. bounces as it reaches the marble G. changes color as it enters the marble H. shines less brightly behind the marble J. bends as it passes through the marble

35. The picture shows a clear glass marble on top of some words 35. The picture shows a clear glass marble on top of some words. Some of the letters look different because light — J. bends as it passes through the marble

36. Which of these pictures shows the way to use a battery to light a bulb? A C B D

36. Which of these pictures shows the way to use a battery to light a bulb?

37. Which circuit will cause the light bulb to glow? A C B D

37. Which circuit will cause the light bulb to glow?

38. Which of these is made to change electrical energy to heat energy? A C B D

38. Which of these is made to change electrical energy to heat energy?

39. The wires connecting the battery and the light bulb create a closed circuit. What would happen if one of these wires were cut? F. The battery would lose its charge. G. The glass would crack. H. The light would go out. J. The wire would become hot.

39. The wires connecting the battery and the light bulb create a closed circuit. What would happen if one of these wires were cut? H. The light would go out.

40. A student plans to make this light bulb glow 40. A student plans to make this light bulb glow. All of the following objects can be used to complete the circuit EXCEPT — A. a copper penny B. a plastic comb C. a metal clip D. an iron nail

40. A student plans to make this light bulb glow 40. A student plans to make this light bulb glow. All of the following objects can be used to complete the circuit EXCEPT — B. a plastic comb

41. Sound is made when a drumstick hits the drum. This happens because the force of the drumstick on the drum causes — F. Vibrations G. electrical currents H. heat energy J. a magnetic charge

41. Sound is made when a drumstick hits the drum. This happens because the force of the drumstick on the drum causes — F. Vibrations

42. Blowing through a pipe can produce a sound because the — F. air in the pipe vibrates G. pipe speeds up the air H. pipe cools the air J. air is absorbed by the pipe

F. air in the pipe vibrates 42. Blowing through a pipe can produce a sound because the — F. air in the pipe vibrates

43. An insect that produces waves in the water also produces waves in 43. An insect that produces waves in the water also produces waves in the air. What can these air vibrations produce? A. Sound B. Light C. Oxygen D. Carbon

43. An insect that produces waves in the water also produces waves in 43. An insect that produces waves in the water also produces waves in the air. What can these air vibrations produce? A. Sound

44. A student plays the cymbals in a band 44. A student plays the cymbals in a band. When the cymbals are hit together, a loud sound is produced. The force of the cymbals hitting each other produces sound because — A. metal conducts heat B. energy is absorbed C. metal is magnetic D. air vibrates

44. A student plays the cymbals in a band 44. A student plays the cymbals in a band. When the cymbals are hit together, a loud sound is produced. The force of the cymbals hitting each other produces sound because — D. air vibrates