Power point t9

Post on 24-May-2015

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Transcript of Power point t9

What is it made of?

Science unit 91st grade

MATERIALS

WHAT ARE MATERIALS LIKE?

WHERE DO MATERIALS COME FROM?

CLAY

COTTON

WOOD

WOOL

WHY REUSE AND RECYCLE MATERIALS?When we reuse and recycle paper, plastic, cans and glass, we reduce waste which damages the environment.

PAPER GLASS PLASTIC