1. Science unit 9
1st grade

2. MATERIALS

4. WHAT ARE MATERIALS LIKE?

7. WHERE DO MATERIALS COME FROM?
CLAY
COTTON

8. WOOD
WOOL

9. 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