Which of the following statements about energy conversion is true?
A) Photosynthesis in a leaf converts potential chemical energy into electromagnetic energy when utilizing sunlight to make carbohydrates.
B) A ceiling fan converts kinetic energy into electromagnetic energy by moving air with rotating blades.
C) The whirling impeller of a pump converts electric energy into electromagnetic energy by lifting water into an elevated tank.
D) A solar cell converts the electromagnetic energy of sunlight into electricity.
Correct Answer:
Verified
Q7: Biomass energy can be derived from _
Q8: _ represents the rate of using energy-that
Q9: The total electrical energy used during a
Q10: Electricity is the movement of electrons.
Q11: Geothermal energy _ .
A) results from gravitational
Q13: An instrument used to determine the degree
Q14: As the coal ignites and its chemical
Q15: The earth's tilt causes the sun's altitude
Q16: All energy-whether derived from wood, water, wind,
Q17: Although energy can be converted from any
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