Energy Test Reveiw

1. Energy Test Reveiw

2. 1. What type of energy decreases as a ball falls to the ground. Kinetic Electric Thermal D. Potential

3. 1. What type of energy decreases as a ball falls to the ground. D. Potential

4. 2. Heat is added to make this phase change occur. Liquid to solid Gas to liquid Liquid to gas D. Gas to solid

5. 2. Heat is added to make this phase change occur. Liquid to gas

6. 3. On a roller coaster with a loop, where is the most kinetic energy? Just before the loop. Just after the loop. At the top of the hill. At the end of the ride.

7. 3. On a roller coaster with a loop, where is the most kinetic energy? Just before the loop.

8. 4. Climbing to the top of a slide is an example of Potential energy changing into kinetic energy. Kinetic energy changing into potential energy.

9. 4. Climbing to the top of a slide is an example of . Kinetic energy changing into potential energy.

10. 5. Ball rolling down a hill is an example of Potential energy changing into kinetic energy. Kinetic energy changing into potential energy.

11. 5. Ball rolling down a hill is an example of Potential energy changing into kinetic energy.

12. 6. Joe is riding his bike down a hill, this shows Potential energy changing into kinetic energy. Kinetic energy changing into potential energy.

13. 6. Joe is riding his bike down a hill, this shows Potential energy changing into kinetic energy.

14. 7. The definition of kinetic energy is Energy of position due to gravity. Energy of position due to shape. Energy of motion.

15. 7. The definition of kinetic energy is . . Energy of motion.

16. 8. Pulling the string on a bow and arrow shows Potential energy changing into kinetic energy. Kinetic energy changing into potential energy.

17. 9. How can you tell when kinetic energy is decreasing? The object speeds up. The objects speed stays the same. The object slows down.

18. 10. Which of the following is an example of thermal energy. A waterfall Leaves falling from a tree. A spinning windmill. The road releasing heat in the summer.

19. 11. Currents in the ocean and wind are created by Conduction Convection Radiation

20. 12. Convection can move through Solids Liquids Gases Both B & C

21. 13. Which form of energy does not require matter? Conduction Convection Radiation

22. 13. Which form of energy does not require matter? . . Radiation

23. 14. The Law of Conservation of Energy states. Energy is created. Energy is destroyed Energy cannot be created or destroyed only changed. Energy is created but not destroyed.

24. 14. The Law of Conservation of Energy states. . . Energy cannot be created or destroyed only changed. .

25. 15. A metal spoon getting hot when it sits in a cup of cocoa is Conduction Convection Radiation

26. 15. A metal spoon getting hot when it sits in a cup of cocoa is Conduction

27. 16. When you stand next to a camp fire you feel heat because of Conduction Convection Radiation

28. 16. When you stand next to a camp fire you feel heat because of . . Radiation

29. 17. When there is a fire you should check the door for heat, because the fire will heat the door by Conduction Convection Radiation

30. 17. When there is a fire you should check the door for heat, because the fire will heat the door by Conduction

31. 18. The handle of a cast iron skillet gets hot by Conduction Convection Radiation

32. 18. The handle of a cast iron skillet gets hot by Conduction

33. 19. A sunbather gets a sun burn because the energy travels to them by Conduction Convection Radiation

34. 19. A sunbather gets a sun burn because the energy travels to them by . . Radiation

35. 20. When you burn wood in your fireplace where does most of the heat go? Straight out Down to the floor Up to the ceiling Into the whole house

36. 20. When you burn wood in your fireplace where does most of the heat go? . . Up to the ceiling .

37. Heat moves in a specific pattern from Left to right Right to left Cooler to warmer Warmer to cooler

38. 22. In the winter time why would you want the top bunk? Heat rises Heat sinks Cold rises It doesn’t really matter

39. 23. Iron rusting is a Physical change Chemical change

40. 23. Iron rusting is a . Chemical change

41. 24. Why does cast iron make such a good skillet? It has a low melting point (it melts quickly). It has magnetic properties that cook food better. It is a good conductor

42. 24. Why does cast iron make such a good skillet? . . It is a good conductor

43. 24. Which of the following are brittle substances? Metals Non-metals Metalloids

44. 24. Which of the following are brittle substances? . Non-metals .