Download Benchmark #2 Review - Effingham County Schools

Benchmark #2 Review:
1. Energy is the ability to do _____________.
2. Conservation of Energy states that: Energy can not be _____ or _______.
3. Key Words:

Mechanical energy = _________
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Chemical energy = _________
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Thermal energy = __________
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Electromagnetic energy = _________
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Nuclear energy = ___________
4. A rubber band stretched between two fingers is an example of ________ energy.
5. The fuel used in a rocket is energy stored as ________ energy.
6. What two things are associated with kinetic energy?
7. As ________ increases, then ________ increases.
8. Kinetic energy is the energy in ________.
9. __________ is stored energy.
10. What kind of energy fuels your body?
11. Why is solar power not commonly used?
12. Most energy is wasted in the form of _________.
13. When a rock falls from a cliff potential energy converts to _________ energy.
14. convert means ___________
15. conserve means __________
16. Which type of energy is stored in the nucleus of atoms?
17. Music travels through the air in the form of _________ energy.
18. Tom moves a bag of groceries from the floor to a table. What kind of energy describes
this?
19. Potential energy is usually the result of g_________.
20. List three fossil fuels (nonrenewable).
21. List three renewable resources.
22. Heat always flows from ______ objects to ______ objects.
23. Heat will always flow until both objects temperatures are e________.
24. The more ______ an object has the more energy is required to raise its temperature.
25. Absolute zero also known as _____ _______ is when all molecules stop moving. Never
been seen before.
26. Three temperature scales used are:________, _________, _________
27. United States uses which temperature scale?
28. The rest of the world uses what temperature scale?
29. There are three ways to transfer energy: ____________, __________, ___________.
30. ___________ occurs when objects are touching.
31. ____________ occurs in liquids and gasses when _____ air or liquid sinks because it is
more ______ and ______ air or liquid rises.
32. ___________ comes mostly from the sun.
33. ____________ transfer energy and electricity easily.
34. ____________ do not transfer energy and electricity easily.
35. Give three examples of a conductor.
36. Give three examples of insulators.
37. The key thing to a thermos is it must have a layer of e_______ space.
38. What two things are used in thermometers?
39. Explain how a thermometer works using the following words; expand and contract
40. Which of the three states of matter has a higher average kinetic energy?_______ . Which
state of matter has the lowest average kinetic energy?________
41. What is the difference in contract and expand?
42. Explain the difference between less thermal energy and more thermal energy.
43. The smallest unit of matter is __________.
44. The more copper coils I add to a magnet the stronger or weaker my electromagnet will
become.
45. Which two parts of an atom are found in the nucleus?
46. Opposite charges ___________. Like charges __________.
47. If you feel a small shock when you touch a metal doorknob, it is because of
________________________.
48. The copper in a wire is the _________ and the plastic coating is the _________.
49. Does a positive or negative charge move when lightening strikes?
50. How does a lightening rod work?
51. If an object has more protons than electrons then it has an overall _____ charge.
52. Draw a series circuit?
53. If one bulb blows in a series circuit what will happen to the other bulb? Why?
54. Draw a parallel circuit?
55. If one bulb blows in a parallel circuit what will happen to the other bulb? Why?
56. Which type of circuit is used most in homes and businesses?
57. What part of an atom is flowing through the wires in a circuit?
58. All magnets have ____ poles.
59. The magnetic field always leaves the ______ pole and reenters the _______ pole.
60. To increase the magnetic field we can add __________ called an electromagnet.
***Law of conservation of energy states that energy CAN NOT be _______ or __________. It can
only be __________****
***Law of conservation of matter states that matter CAN NOT be ________ or _________. ****