MATCHING - In the space provided, write the letter of the term or phrase that best matches the description. ______ 1. plant material, manure, and wood______ 2. uses collectors with moving parts to capture the sun’s energy______ 3. saves energy______ 4. energy sources that are still in development______ 5. energy produced from moving water______ 6. uses the sun’s energy to heat something directly, without moving parts______ 7. energy from heat in Earth’s interior______ 8. uses low pressure and warm ocean water to boil colder ocean water______ 9. percentage of energy that does useful work in a system______10. uses hydrogen as an energy source a. passive solar heatingb. ocean thermal energy conversion (OTEC)c. alternative energyd. biomass fuele. fuel cellf. active solar heatingg. energy efficiencyh. energy conservationi. hydroelectric energyj. geothermal energy MULTIPLE CHOICE - In the space provided, write the letter of the answer that best completes each statement or best answers each question.______11. Wind, moving water, sunlight, and heat from Earth’s interior are sources ofa. alternative energy. c. renewable energy.b. geothermal energy. d. ocean thermal energy. ______12. Which of the following uses solar collectors to heat water?a. passive solar heating c. photovoltaic cellsb. active solar heating d. all of the above ______13. Which of the following is the fastest-growing source of energy in the world?a. passive solar heating c. fuel cellsb. photovoltaic cells d. wind power ______14. Which of the following is a major source of biomass fuel in developing countries?a. wood c. cornb. dung d. both (a) and (b) ______15. A geothermal power plant gets energy bya. pumping heated water or steam from rock formations.b. circulating fluid underground.c. holding water behind a dam.d. using methane from decomposition. ______16. Tidal power, hydrogen fuel cells, and ocean thermal energy conversion are sources ofa. alternative energy. c. nonrenewable energy.b. geothermal energy. d. hydroelectric energy. ______17. Which of the following descriptions of hybrid cars is correct?a. Hybrid cars do not use gasoline engines.b. Hybrid cars have not been made yet.c. Hybrid cars are energy-efficient.d. Hybrid cars rely on biomass fuel. ______18. Which of the following statements about hydrogen as a fuel source is correct?a. The amount of hydrogen on Earth is too small to meet our fuel needs.b. Hydrogen can be burned as a fuel or used to produce electricity chemically.c. When hydrogen is burned, it releases pollutants.d. Generating hydrogen by burning fossil fuels is inexpensive. ______19. Sunlight falls on a semiconductor, causing it to release electrons, in aa. photovoltaic cell. c. battery.b. fuel cell. d. solar collector. ______20. People can conserve energy in their daily lives by driving a vehiclea. mostly for short distances.b. instead of taking a bus or train.c. with a large gas tank.d. that is fuel-efficient.