Presentation about Materials. Natural Science 3º.

1. WHAT ARE MATERIALS?
Jose Antonio Madrid Madrid
CEIP Manuela Romero

2. Materials are the substances we use to
make different objects.

3. They can be natural or human-made
materials.

4. NATURAL MATERIALS
We find natural materials in nature.
cotton

5. FROM ANIMALS
Silk, wool and leather come from animals.
silk
wool
leather
NATURAL
MATERIALS

6. FROM ANIMALS
We make clothes, shoes and other products.
silk shoes
clothes
NATURAL
MATERIALS

7. FROM PLANTS
We make many things from wood.
NATURAL
MATERIALS

8. FROM PLANTS
We make fabric from cotton.
fabric
cotton
NATURAL
MATERIALS

9. FROM MINERALS
Marble and granite are mineral rocks.
granite
marble
NATURAL
MATERIALS

10. FROM MINERALS
We use them in construction.
granite
NATURAL
MATERIALS

11. We make human made materials from raw
materials.
HUMAN
MADE
MATERIALS

12. Glass is made from sand.
HUMAN MADE
MATERIALS
sand
glass

13. Most plastics are made from petroleum.
HUMAN
MADE
MATERIALS
petroleum plastic

14. PROPERTIES OF MATERIALS

15. Each material has different properties that
make it good for specific uses.

16. A fragile material breaks easily.
glass

17. A flexible material can bend or fold without
breaking.
fabric

18. A light material does not weigh very much.
aluminium

19. A strong material does not break easily.
iron

20. An elastic material can stretch and return to
its original state.
rubber

21. A waterproof material does not allow
liquids to go through it.
some plastic