8.1.2.1 Solar Energy on Earth

How does energy from the Sun reach Earth?

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Thermal energy always moves

• from cold areas to warm areas

• from warm areas to cold areas

• back and forth between areas of different temperatures

• thermal energy cannot move

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Unlike thermal energy, radiation can move through

• metals

• air

• water

• empty space

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The angle at which sunlight reaches you will depend on

• your attitude

• your height

• your latitude

• your distance from a coastline

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The ________ receive sunlight at a nearly 90° angle all year.

Water absorbs and releases thermal energy more _______ than land does.

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Earth's surface _______ thermal energy into the atmosphere.

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Measure of the reflectivity of a surface:

• shininess

• albedo

• albino

• albatross

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Sunlight at the poles is always more _____________ than sunlight at the equator.

• spread out

• concentrated

• dim

• intense

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When Earth receives energy from the Sun, ____

• some is reflected back into space

• some is absorbed by the atmosphere

• some is absorbed by land and water

• all of these

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