UNIT 3A ENERGY TEST REVIEW

Name: _______________________

Date: _________________

1. ENERGY CAN BE ___________________ FROM ONE TYPE TO ANOTHER TYPE2. WHERE DOES ENERGY OF THE EARTH COME FROM?3. ___________________ ENERGY COMES FROM THE MOVEMENT OF CHARGED PARTICLES4. THERMAL ENERGY IS TRANSFERRED THROUGH A MATERIAL BY THE COLLISION OF

_________________ WITHIN THE MATERIAL5. MECHANICAL ENERGY IS THE SUM OF WHICH TWO ENERGY SOURCES?6. WHAT TYPE OF ENERGY IS STORED IN PARTICLES THAT MAKE UP FOOD AND OTHER FUELS?7. WHAT IS NUCLEAR ENERGY?

8. BONUS: WHAT IS ENERGY….? REALLY?

9. _______________ IS THE ABILITY TO CAUSE CHANGES OR DO WORK10. WHAT HAPPENS WHEN YOU HEAT A SOLID?

11. THE ENERGY OF A MOVING OBJECT IS CALLED _____________ ENERGY12. STORED ENERGY IS CALLED _____________ ENERGY13. ENERGY CAN CHANGE FROM ONE FORM TO ANOTHER T OR F14. WRITE IN ORDER OF INCREASING KINETIC ENERGY: SOLID, LIQUID, GAS

15. IN WHAT DIRECTION DOES THE TRANSFER OF ENERGY FROM HEAT MOVE BETWEEN A HOTTER AND COLDER OBJECT?

16. THIS VOCABULARY WORD IS REFERRING TO HEAT:

17. THE TEMPERATURE TWO OBJECTS REACH WHEN THEY TOUCH:

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18._______________ IS THE ABILITY TO CAUSE CHANGES OR DO WORK. IT MAKES THINGS ____________.

19.DURING THE DAY, THE SAND AT THE BEACH IS VERY WARM, WHILE AT NIGHT ITS COOLER. WHY?

20.IF YOU PLACE A HOT STONE IN BEAKER OF COLD WATER, WHAT WOULD HAPPEN TO THE STONE AND WATER AFTER 10 MINUTES?

21.ENERGY CAN CHANGE FROM ONE FORM TO ANOTHER TRUE OR FALSE

22.WRITE IN ORDER OF INCREASING KINETIC ENERGY: SOLID, LIQUID, GAS

23.IN WHAT DIRECTION DOES THE TRANSFER OF ENERGY FROM HEAT MOVE BETWEEN A HOTTER AND COLDER OBJECT?

24.WHAT IS #7 CALLED?

25.THIS VOCABULARY WORD IS REFERRING TO HEAT:

26.THE TEMPERATURE TWO OBJECTS REACH WHEN THEY TOUCH:

27.CHOOSE CORRECT ANSWER: MATERIALS GET WARMER FROM THE ABSORPTION OR REFELCTION OF LIGHT BECAUSE TRANSFERRED LIGHT EMITS HEAT.

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28.CAN KINETIC ENERGY EVER BE BIGGER THAN POTENTIAL ENERGY? WHY?

29.WHERE DOES ELECTRICITY COME FROM?

30.NAME TWO TYPES OF ENERGY ELECTRICAL ENERGY IS CONVERTED TO?

31.HOW IS ENERGY TRANSFERRED FROM THE SUN TO EARTH?

32. Which has more heat energy? A small candle flame or a large ice sculpture and why?

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33. Why did the teacher need a pair of heat resistant rubber gloves when I touched the hot beakers during lab?

a. Rubber is a poor conductor of heat and electricityb. Rubber is a good conductor of heat and electricityc. Rubber is a poor conductor of electricity and a good conductor of heat

34. Which one is considered a good insulator of heat?a. Plastic, because heat is unable to flow through itb. Glass, because heat is able to flow easilyc. Aluminum, because it allows heat to flow easily

35. A pot is heated on the stove. Why is the metal handle hot?a. Conductionb. Convectionc. Radiation

36. What is responsible for the uneven heating in the atmosphere? a. Conductionb. Convectionc. Radiation

37. Why can you feel the heat around the campfire even though you don’t touch ita. Conductionb. Convectionc. Radiation

38. Why is there a difference in temperature when you are standing in a pool?a. Conductionb. Convectionc. Radiation

39. What is the best material for conducting electricity or heat?a. Woodb. Metalc. Stoned. Plastic

40. Why shouldn’t you use a metal fork to remove a piece of toast from a toaster?

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41. What is the best material to use in the circuit below to make light glow? Why?

Plastic strawCotton string Aluminum foilRubber eraser

42. Circle correct answer: Materials will generally become warmer through the absorption/reflection of light because light when transferred will emit/absorb heat.

BONUS:

43. What does energy transfer mean? Give an example

44. What dos energy transformation mean? Give an example

45. Give an example of energy transformation using one of the following types of energy: Chemical, mechanical, sound, nuclear, thermal

46. What is another name for transformed?

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47. When energy is transferred or transformed, what happens to the total energy of the system?

48. When an electromagnetic waves strike a pipe, what usually happens? a. The pipe gets coolerb. The pipe reflects all of the wavesc. The pipe absorbs some of the rays

49. Why are metals used for making pots and pans?a. Metals conduct heat and have a high melting pointb. Metals conduct heat and have low melting pongc. Metals radiate heat and have high melting point

50. Why do electric cords come with plastic coating wrapped over the wires?a. Plastic is a conductor and prevents wires from shocking youb. Plastic is an insulator and prevents wires from shocking youc. Plastic makes the wires look neat

51. A student notices that an inflated balloon gets larger when it is warmed up by a lamp. What caused the balloon to become larger?

a. The heat from lamp caused the particles of the balloon to contract, making it largerb. The heat from lamp caused the particles of balloon to expand, making it larger

UNIT 3A ENERGY TEST REVIEW KEY

1. ENERGY CAN BE TRANSFORMED FROM ONE TYPE TO ANOTHER TYPE2. WHERE DOES ENERGY OF THE EARTH COME FROM? From the sun3. ELECTRICAL ENERGY COMES FROM THE MOVEMENT OF CHARGED PARTICLES4. THERMAL ENERGY IS TRANSFERRED THROUGH A MATERIAL BY THE COLLISION OF ATOMS WITHIN THE

MATERIAL5. MECHANICAL ENERGY IS THE SUM OF WHICH TWO ENERGY SOURCES? KINETIC AND POTENTIAL6. WHAT TYPE OF ENERGY IS STORED IN PARTICLES THAT MAKE UP FOOD AND OTHER FUELS? CHEMICAL7. BONUS: WHAT IS NUCLEAR ENERGY? POTENTIAL ENERGY STORED WITHIN THE BONDS BETWEEN

PROTONS AND NEUTRONS OF AN ATOM8. What is energy? Really? The ability to do work9. _________Energy______ IS THE ABILITY TO CAUSE CHANGES OR DO WORK10. WHAT HAPPENS WHEN YOU HEAT A SOLID? Atoms vibrate faster11. THE ENERGY OF A MOVING OBJECT IS CALLED _____kinetic________ ENERGY12. STORED ENERGY IS CALLED ___potential__________ ENERGY13. ENERGY CAN CHANGE FROM ONE FORM TO ANOTHER T OR F TRUE

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14. WRITE IN ORDER OF INCREASING KINETIC ENERGY: SOLID, LIQUID, GAS15. IN WHAT DIRECTION DOES THE TRANSFER OF ENERGY FROM HEAT MOVE BETWEEN A HOTTER AND

COLDER OBJECT? Hot to cold16. THIS VOCABULARY WORD IS REFERRING TO HEAT: thermal17. THE TEMPERATURE TWO OBJECTS REACH WHEN THEY TOUCH: reach equilibrium

18. ENERGY IS THE ABILITY TO CAUSE CHANGES OR DO WORK. IT MAKES THINGS MOVE. 19. DURING THE DAY, THE SAND AT THE BEACH IS VERY WARM, WHILE AT NIGHT ITS COOLER. WHY?

A. THE SAND REFLECTS THE SUN’S ENERGY DURING THE DAY, CAUSING IT TO BECOME WARMERB. THE SAND ABSORBS THE SUN’S ENERGY DURING THE DAY, CAUSING IT TO BECOME WARMER

20. IF YOU PLACE A HOT STONE IN BEAKER OF COLD WATER, WHAT WOULD HAPPEN TO THE STONE AND WATER TEMPERATURE AFTER 10 MINUTES? The hot stone will transfer energy and heat to cold water and they will reach equilibrium temp.

21. ENERGY CAN CHANGE FROM ONE FORM TO ANOTHER TRUE OR FALSE : TRUE

22. WRITE IN ORDER OF DECREASING KINETIC ENERGY: SOLID, LIQUID, GAS

GAS-LIQUID-SOLID

23. IN WHAT DIRECTION DOES THE TRANSFER OF ENERGY FROM HEAT MOVE BETWEEN A HOTTER AND COLDER OBJECT? FROM HOTTER TO COLDER

24. THE TRANSFER OF ENERGY FROM HEAT IS CALLED HEAT FLOW. (Hint, look at vocab words)25. THIS VOCABULARY WORD IS REFERRING TO HEAT: THERMAL

26. THE TEMPERATURE TWO OBJECTS REACH WHEN THEY TOUCH: EQUILIBRIUM

27. CHOOSE CORRECT ANSWER: MATERIALS GET WARMER FROM THE ABSORPTION OR REFLECTION OF LIGHT BECAUSE TRANSFERRED LIGHT EMITS HEAT.

28. CAN KINETIC ENERGY EVER BE BIGGER THAN POTENTIAL ENERGY? WHY?

NO, BECAUSE POTENTIAL IS THE STORED ENERGY AND KINETIC IS THE MOTION OF THE POTENTIAL

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29. WHERE DOES ELECTRICITY COME FROM? HEAT IS RELEASED FROM BURNING COAL AND STEAM RUNS THE TURBIN AND ELECTRICAL GENERATOR

30. NAME TWO TYPES OF ENERGY ELECTRICAL ENERGY IS CONVERTED TO? THERMAL AND SOUND31. HOW IS ENERGY TRANSFERRED FROM THE SUN TO EARTH? THROUGH ELECTROMAGNETIC WAVES32.

33. Why did the teacher need a pair of heat resistant rubber gloves when I touched the hot beakers during lab?

a. Rubber is a poor conductor of heat and electricityb. Rubber is a good conductor of heat and electricityc. Rubber is a poor conductor of electricity and a good conductor of heat

34. Which one is considered a good insulator of heat?a. Plastic, because heat is unable to flow through itb. Glass, because heat is able to flow easilyc. Aluminum, because it allows heat to flow easily

35. A pot is heated on the stove. Why is the metal handle hot?a. Conductionb. Convectionc. Radiation

36. What is responsible for the uneven heating in the atmosphere? a. Conductionb. Convectionc. Radiation

37. Why can you feel the heat around the campfire even though you don’t touch ita. Conductionb. Convectionc. Radiation

38. Why is there a difference in temperature when you are standing in a pool?a. Conductionb. Convectionc. Radiation

39. What is the best material for conducting electricity or heat?a. Woodb. Metalc. Stoned. Plastic

40. Why shouldn’t you use a metal fork to remove a piece of toast from a toaster?

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It will conduct electricity

41. What is the best material to use in the circuit below to make light glow? Why?

Plastic strawCotton string Aluminum foil-best conductor of electricityRubber eraser

42. Circle correct answer: Materials will generally become warmer through the absorption /reflection of light because light when transferred will emit /absorb heat.

BONUS:

The walls of the cave were warmed through a process of radiation because a light when shined always gives off heat

43. What does energy transfer mean? Give an exampleThe movement of energy from one place to anotherHeat transfer

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44. What dos energy transformation mean? Give an example

The change in form of energy. Electrical to light energy45. Give an example of energy transformation using one of the following types of energy: Chemical,

mechanical, sound, nuclear, thermal

Chemical from food to mechanical46. What is another name for transformed?

ChangedConverted

47. When energy is transferred or transformed, what happens to the total energy of the system? Stays same

48. When an electromagnetic waves strike a pipe, what usually happens? a. The pipe gets coolerb. The pipe reflects all of the wavesc. The pipe absorbs some of the waves

49. Why are metals used for making pots and pans?a. Metals conduct heat and have a high melting pointb. Metals conduct heat and have low melting pongc. Metals radiate heat and have high melting point

50. Why do electric cords come with plastic coating wrapped over the wires?a. Plastic is a conductor and prevents wires from shocking youb. Plastic is an insulator and prevents wires from shocking youc. Plastic makes the wires look neat

51. A student notices that an inflated balloon gets larger when it is warmed up by a lamp. What caused the balloon to become larger?

a. The heat from lamp caused the particles of the balloon to contract, making it largerb. The heat from lamp caused the particles of balloon to expand, making it larger

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