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RENEWABLE ENERGIES
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What is the type of heat transfer that comes directly from a source like the sun or fire?
radiation
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When water turns into vapor, this is called...
evaporation.
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Solar energy travels to the Earth in ...
rays.
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Wind is moving...
air.
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We can build a ... across a river to control the flow of water.
dam
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On a mild spring day, is it typically hotter on the sidewalk or under the dirt?
Sidewalk is hotter
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What is the type of heat transferred from a burner on a stove to the pan?
Conduction
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Solar energy makes plants...
grow
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Geothermal energy is ... inside the Earth's crust.
heat
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The energy in biomass comes from the ...
sun.
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When gas turns into a liquid, this is called...
condensation.
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What is the type of heat transfer that happens when the air is heated and moves around?
Convection
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... causes the the tides and water to move in waves
Gravity
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Solar cells turn sunlight into...
electricity.
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Why does the inside of the car heat up so much faster than the air?
The Greenhouse Effect traps the air inside after it enters through the glass and can't escape
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In a hydropower plant water spins a ... to make electricity.
turbine
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Biomass is wood, plants and ...
garbage (poop too)
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Solar power is ... energy.
light
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The Earth has three layers, the ..., the mantle and the crust.
core
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