4.
3.
2.
Answer the following questions by writing on the blank line the letter of the word or phrase that
best completes the statement or answers the question.
1.
The major source of renewable energy is (A) wind energy. (B) oil. (C) biomass.
(D) solar energy.
Electricity generated from burning garbage in an incinerator is an example of
(A) hydroelectricity. (B) geothermal energy. (C) biomass energy. (D) solar energy.
Which of the following statements is true about the energy efficiency of
renewable energy? (A) The energy efficiency of renewable energy is always more
than 100%. (B) The inefficiency of renewable energy comes from wasted heat.
(C) Hydroelectric energy is an inefficient source of energy. (D) Windmills are an
efficient source of energy.
In which of the following biomes would solar energy probably be most efficient
and useful? (A) deciduous forest (B) tundra (C) taiga (D) desert
Which of the following standards of efficiency are actually audited by the
Environmental Protection Agency? (A) Energy Star Label (B) gas mileage
(C) both of these (D) none of these
Insulation with a high R-value would (A) speed up natural conduction.
(B) slow down natural conduction. (C) lower the efficiency of a home's furnace.
(D) create heat.
An LED light of 3 watts gives off the same amount of light as an incandescent bulb of
45 watts. This means that the LED light (A) uses less power. (B) uses more power.
(C) requires more volts. (D) requires more amperes than the incandescent bulb.
The octane rating of a fuel tells you (A) how much octane the fuel contains.
(B) the mileage you can expect to get by using the fuel in your car.
(C) the compression the fuel can tolerate before it spontaneously burns.
(D) how much energy the fuel contains. (E) all of these.
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