#1 Unit 4: Resources Student Copy All of the following are sources of energy derived from the ocean except — A waves B coal C tides D thermal

Unit 4: Resources Student Copy The countries shown here released much more CO2 than the rest of the world because these countries have the largest — A number of heavy industries B amount of rainfall C number of people D amount of land per person #2

#3 Unit 4: Resources Student Copy Which of these energy sources produces the least harmful environmental effects? A Hydroelectric B Solar C Fossil fuels D Nuclear

#4 Unit 4: Resources Student Copy Oil spills have a tremendous impact on the ocean environment, and the oil must be cleaned up after these spills. A new technique for cleaning oil from beaches is called bioremediation. This technique uses naturally occurring bacteria to break down the oil. How is this accomplished? A The bacteria bind with the oil and bring it to land. B The bacteria pull the oil down to the ocean floor. C The bacteria die and absorb the oil. D The bacteria chemically change the oil into less harmful substances.

#5 Unit 4: Resources Student Copy Many quarries in Virginia produce crushed stone. What industry uses the most crushed stone? A Electronics B Plastics C Construction D Steel

#6 Unit 4: Resources Student Copy The amount of power that can be generated by a hydroelectric dam would be most dependent on which two factors? A The width of the dam and the construction material of the dam B The temperature of the water and the amount of oxygen that it contains C The surface area of the reservoir and the shape of the reservoir floor D The volume of water going over the dam and the distance that the water falls

#7 Unit 4: Resources Student Copy The mineral resources of Virginia can be conserved by doing all of the following except — A regenerating B reducing C recycling D reusing

#8 Unit 4: Resources Student Copy What is the main advantage of using dams to produce electrical energy? A They do not produce much pollution. B They do not damage wildlife homes. C They are inexpensive to build. D They can be built near most cities.

#9 Unit 4: Resources Student Copy Which of these energy sources originates from a nonrenewable resource? A Hydroelectric B Fossil fuel C Solar D Geothermal

#10 Which of the following is not a fossil fuel? A Coal B Natural gas Unit 4: Resources Student Copy Which of the following is not a fossil fuel? A Coal B Natural gas C Wood D Petroleum

#11 Unit 4: Resources Student Copy Limestone is a valuable resource in Virginia because limestone can be processed to make — A steel B plywood C plastic D concrete

#12 Lightweight and strong, the metal that Unit 4: Resources Student Copy Lightweight and strong, the metal that has been recycled with the greatest success is — A aluminum B tin C titanium D steel

#13 Which of the following is a renewable source of energy? A Coal Unit 4: Resources Student Copy Which of the following is a renewable source of energy? A Coal B Oil C Falling water D Natural gas

#14 One method of lessening the environmental impact of strip mining Unit 4: Resources Student Copy One method of lessening the environmental impact of strip mining is to — A require that the landscape and vegetation of mined lands be restored B only mine during the evening hours C feed the animals displaced by the mine D mine only nontoxic materials

#15 Unit 4: Resources Student Copy By increasing the height of smokestacks, industries in the Midwest reduced the local concentration of air pollutants. However, the pollution was carried by wind to the Northeast where it contributed significantly to — A mass wasting B acid rain C soil erosion D reduced rainfall

#16 The fossil fuel found in greatest abundance in Virginia is — Unit 4: Resources Student Copy The fossil fuel found in greatest abundance in Virginia is — A methane B oil C natural gas D coal

SOL Review Unit #4 Answer Key 1. B 11. D 2. A 12. A 3. B 13. C 4. D 14. A 5. C 15. B 6. D 16. D 7. A 8. A 9. B 10. C SOL Review Unit #4 Answer Key