CLASSIFICATION OF MATERIALS year 6
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Transcript of CLASSIFICATION OF MATERIALS year 6
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The classification of the materials depends on how much light they let through
Light and Shadows
SHADOWS
LIGHT
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·Transparent materials let a lot of light pass through, so that you can see clearly through them.
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·Translucent materials let some light pass through, so that you cannot see clearly through them.
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Opaque materials let no light pass through them. They block the light.
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light meter
To measure how much light pass through materials
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HERE YOU ARE SOME MATERIALS ,USING A LIGHT METER YOU TEST AND SORT THEM (classify) IN YOUR HANDOUT
foilcellophane cling film
trace paper tissue paper A-4 paper
cork wood plastic