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Some energy from the Sun is reflected back into _____, some is absorbed by the _____, and some is absorbed by _____ and water on Earth's surface.
space, atmosphere, land
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_____ is energy that flows from an object with a higher temperature to one with a lower temperature.
Heat
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_____ is energy transferred in rays or waves.
Radiation
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_____ is the transfer of energy when molecules bump into each other through contact.
Conduction
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_____ is the transfer of heat by the flow of a material.
Convection
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Examples of Convection:
Air molecules move closer together, making the air more dense, and air _____ rises.
pressure
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Examples of Convection:
Cold air ____, pushing up warm air, which then cools and sinks, pushing up more warm air.
sinks
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The _____ cycle --- water moves back and forth between Earth's atmosphere and surface.
water
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Examples of the Water Cycle:
Energy from the Sun causes water to _____ from the hydrosphere, and rise as vapor.
evaporate
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Examples of the Water Cycle:
Water vapor in the atmosphere can cool and return to liquid form through _____.
condensation
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When water vapor condenses, clouds of tiny water _____ may form.
droplets
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Water droplets collide to form larger _____ that turn to precipitation.
drops
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As water drops grow, they fall back to Earth as _____ of different forms, such as ____, ____, ____ and ____.
precipitation, rain, snow, sleet, hail
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Earth's atmosphere is unique -- it holds just the right amount of the Sun's _____ to support life.
heat
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