Energy Unit Test
PART 1 – ENERGY BASICS
1. The plastic brush is made from an energy source that is…
a. Nonrenewable
b. Renewable
c. Inexhaustible
2. The hanging towel represents which type of energy?
a. Kinetic
b. Potential
3. The scuba diver swimming to the surface represents which type of energy?
a. Kinetic
b. Potential
4. If the sharks eat the scuba diver, what type of energy transformation would take place in the sharks?
a. heat/thermal to chemical
b. electrical to motion/mechanical
c. chemical to motion/mechanical
d. electrical to chemical
5. Which energy sources are nonrenewable?
a. Fossil fuels and Solar
b. Nuclear and Wind
c. Hydroelectric and Tidal
d. Fossil fuels and Nuclear
6. Which energy source is least harmful to the environment?
a. Wind
b. Petroleum
c. Nuclear
d. Coal
7. If an energy source is inexhaustible, it…
a. can be used over and over without being used up.
b. does not get tired.
c. will be used up, and we will not be able to get any more.
8. What is the main energy source used to generate electricity in the United States?
a. Biomass
b. Solar
c. Nuclear
d. Fossil Fuels
9. Which of the following alternative energy sources would we NOT be able to use in Dallas?
a. Solar
b. Wind
c. Biomass
d. Geothermal
PART II - POWER PLANT
Directions: Use the diagram of the power plant below to answer questions 10 – 16.
10. Which letter represents the turbine?
11. Which part is the condenser?
12. Which part is the boiler?
13. Which part is the generator?
14. Where does water from the reservoir enter the power plant?
15. Which TWO parts have to be in EVERY power plant? (You must select two answer choices to get this question right!)
16. Which part actually makes the electrical energy from mechanical energy?
17. What could you do in order to generate more electricity in this power plant? Mark ALL of the correct answer choices on your scantron.
a. Turn the turbine faster.
b. Build an evaporating tower.
c. Enlarge the containment building.
d. Use a bigger magnet and coil of wire.
PART III - ENERGY TRANSFORMATIONS
18. Which of the following flowcharts represents the energy transformations that take place in a nuclear power plant?
a. Electrical è Motion/Mechanical è Chemical è Nuclear
b. Nuclear è Motion/Mechanical è Heat/Thermal è Electrical
c. Chemical è Heat/Thermal è Motion/Mechanical è Electrical
d. Nuclear è Heat/Thermal è Motion/Mechanical è Electrical
19. Which of the following flowcharts represents the energy transformations that take place in a geothermal power plant?
a. Chemical è Heat/Thermal è Motion/Mechanical è Electrical
b. Heat/Thermal è Heat/Thermal è Motion/Mechanical è Electrical
c. Electrical è Motion/Mechanical è Heat/Thermal
d. Heat/Thermal è Heat/Thermal è Electrical
20. Coal is a commonly used fuel in power plants. Which flowchart represents the energy transformations that occur in a coal-fired power plant?
a. Heat/Thermal è Motion/Mechanical è Electrical
b. Chemical è Heat/Thermal è Motion/Mechanical
c. Chemical è Heat/Thermal è Motion/Mechanical è Electrical
d. Heat/Thermal è Motion/Mechanical è Chemical è Electrical
21. This flowchart… Motion/Mechanical è Motion/Mechanical è Electrical… represents the energy transformations that occur in which of the following power plants?
a. Solar
b. Bioconversion/biomass
c. Fusion/nuclear
d. Tidal
22. This flowchart… Chemical è Electrical è Light represents the energy transformations that take place when…
a. you use a flashlight.
b. you use a hair dryer.
c. you eat breakfast.
d. jog around the track.
PART IV - FOSSIL FUELS
23. Which of the following choices contains a list of the fossil fuels?
a. Coal, Oil, Petroleum
b. Coal, Uranium, Oil
c. Coal, Oil, Natural Gas
d. Alpha, Beta, Gamma
24. Which fossil fuel would be the best to cook over in your kitchen?
a. Coal
b. Natural gas
c. Uranium
d. Biomass
PART V - NUCLEAR POWER
Directions: Use the power plant picture below to answer questions 25-30.
25. Which part is the nuclear reactor vessel?
26. Which part is the turbine?
27. Which part is the evaporating tower?
28. Which part is the containment building?
29. Which part is the generator?
30. Which loop is the only one with radioactive water?
a. Loop 1
b. Loop 2
c. Loop 3
31. What fuel is used in nuclear power plants?
a. Lead
b. Concrete
c. Steel
d. Uranium
32. What is the purpose of the control rods?
a. To turn water into steam
b. To make the fuel rods last longer
c. To slow down the nuclear reaction
33. What is true about nuclear power?
a. Nuclear power plants are cheap to build
b. The fuel is renewable
c. The fire in the reactor makes smog
d. There is a problem of storing radioactive waste
34. Which of the following materials can be used to block gamma rays? Mark ALL of the correct answers.
a. Concrete
b. Lead
c. Paper
d. Aluminum Foil
PART VI – ALTERNATIVE ENERGY SOURCES
35. Solar energy is from the
a. Sun
b. Solar system
c. Moon
36. Solar collectors are painted black
a. To absorb more light
b. To blend in with the roof
c. To reflect solar rays back to the atmosphere
37. Which energy source is generated from heat produced underground?
a. Biomass
b. Geothermal
c. Tidal
d. Hydroelectric
38. Bioconversion involves the burning of ______. Mark ALL of the correct answer choices.
a. Sewage
b. Trash
c. Crops (like the stalks of corn plants)
d. Organic Material
39. Galveston is an island off of the coast of Texas in the Gulf of Mexico. Why don’t they have a tidal power plant there?
a. The Gulf of Mexico doesn’t have tides
b. There is not a big enough difference between high and low tide
c. The water is too warm
40. Why isn’t there a hydroelectric power plant built on the Trinity River near downtown Dallas?
a. The river does not have enough water in it
b. The river is too polluted
c. The riverbed is too flat to cause the water to flow fast enough
41. A geothermal power plant would most likely be found on
a. Volcanic mountains in Iceland
b. Glaciers in Alaska
c. The Nile river in Egypt
d. The shoreline in Canada
42. A hydroelectric power plant would most likely be found on
a. Volcanic mountains in Japan
b. Glaciers in Alaska
c. The Nile river in Egypt
d. The shoreline in Canada
43. A tidal power plant would most likely be found on
a. Volcanic mountains in Japan
b. Glaciers in Alaska
c. The Nile river in Egypt
d. The shoreline in Canada
44. Which part would NOT be necessary to create electricity using wind?
a. Turbine
b. Generator
c. Boiler
45. Which of the following parts would be found in a hydroelectric power plant?
a. Boiler
b. Reactor
c. Turbine
Directions: Use the pictures below to answer the remaining questions.
46. Which of the following pictures shows electricity generated by geothermal energy?
47. Which picture is a diagram of a hydroelectric power plant?
48. Which of the following is an illustration of a tidal power plant?
49. Which of the following pictures shows electricity being made by wind?
50. Which of the following drawings represents a nonrenewable energy source?