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Name this heat transfer
radiation
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Light Travels in a what?
Straight line.
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When an object vibrates quickly makes a sound with a high pitch and if an object vibrates slowly it has a _____ pitch.
Low
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Heat is a form of energy. It flows from a _____ object to a cool object.
hot
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how do we see things?
light bounces off objects and enters our eyes
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Sound can travel through? ______, ______ &_____
liquid, solids and air
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Name this heat transfer
Conduction
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what type of light source is this?
Natural light
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what are the two types of light sources?
Natural & Human made light
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Name this thermal transfer.
convection
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what type of light source is this?
human made
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