Science. Elementary School.

1. Materials

2. In this unit we will learn about different types
of materials:
•Wood
•Metal
•Plastic
•Glass
•Fabric

3. Wood

4. Where does wood come from?
Wood comes from…

5. TREES

6. Tell your partner 5 objects
made of wood.

10. Tell your partner 5 objects
made of metal.

12. Where does metal come from?
Metal comes from…

13. Metal comes from rocks.

14. These rocks are extracted through
mining.

15. Then, rocks are refined.

16. ROCK METAL ARTICLE

18. PLASTIC

19. Where does plastic come from?
Plastic comes from…

20. Plastic comes from oil
(petroleum).

21. But… What is petroleum?

22. Millions of years ago the Earth was inhabited by tiny
animals and plants living in the water.
When they died their bodies settled on the ocean floor.

26. Tell your partner 5 objects
made of plastic.

28. Glass

29. Tell your partner 5 objects
made of glass.

31. What is glass made from?
Glass is made of…

32. Glass is made from sand.

33. Glass is made by heating sand
until it melts.

37. Clothes are made of fabric.

38. Where does fabric come from?
Fabric comes from…

39. Fabric comes from animals or plants.

40. COTTON WOOL SILK

41. COTTON WOOL
SILK

42. We are almost finished.
Can you answer these questions?
•Where does wood come from?
•Where does metal come from?
•Where does plastic come from?
•What is glass made from?
•Where does fabric come from?

43. • Wood comes from trees.
• Metal comes from rocks.
• Plastic comes from petroleum.
• Glass is made from sand.
• Fabric comes from animals or plants.