lets remember
TRANSCRIPT
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Let’s remember
!!!
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1. Matter can be made from:
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PlasticGlassPaperWood
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TASK
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2. MATERIALS PROPERTIES
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Smooth-roughSoft- hard
Transparent- opaqueRigid- flexible
Waterproof- absorbentFloat- sink
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Which is transparate?
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Whis is rigid?
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Whis is waterproof?
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Which thing can sink?
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3. Heating and cooling
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Some materials change when we heat or cool them.
These changes can be REVERSIBLE or IRREVERSIBLE
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Which of these might be reversible?
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TASKNumber the pictures.
This is reversible or irreversible change?
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4. Things change shape
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StretchSqueeze
BendForce
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TASK
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5. Things can move
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