Solar

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1 point

Active solar homes use equipment like pumps and blowers and an outside source of energy like a solar collectors to heat the house.

True

False

1 point

The hydrogen atoms in the sun’s core combine to form helium and generate energy in a process called nuclear fusion.

True

False

1 point

The sun radiates more energy in one second than people have used since the beginning of time.

True

False

1 point

About 15 percent of the sun’s energy that hits the earth is reflected back into space, about 30 percent evaporate water, some solar is absorbed by plants, land, and oceans, and the rest is used for sun tanning.

True

False

1 point

Hybrid Solar Systems combine passive solar and active solar to collect the suns energy.

True

False

1 point

Only one part in two billion of the energy radiated by the sun into space strikes the earth.

True

False

1 point

The matter lost during nuclear fusion on the sun is emitted into space as radiant energy.

True

False

1 point

The cost per kilowatt-hour to produce electricity from PV cells is currently three times as expensive as other conventional sources.

True

False

1 point

Passive solar houses are built with their windows facing south, so sunlight can enter into the house.

True

False

10.

1 point

Solar can be used to heat homes but can not produce electricity.

True

False

11.

1 point

Photovoltaic cells (PV) convert only about 10 to 20 percent of the radiant energy into electricity - fossil fuels convert from 30 to 40 percent of their energy into electricity.

True

False

12.

1 point

Solar energy is non-renewable.

True

False

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