slide show 2
TRANSCRIPT
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Why energy is needed?
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Living things need energy to breathe.
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Food produces energy for living things to grow
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Living things need energy to move and do all kinds of work
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Carrying box
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Walking
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Running
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Energy is also needed by
non-living things.
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The energy is used to move them
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Moving car
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Bouncing ball
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The energy is used To change their states
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Melting ice-cream