Matter

1. Science
The Matter

2. The matter
Everything around us is made up of matter: books, tables,
food, air, water…
All matter has mass and volume.

3. Atoms are the building blocks of matter

4. When two or more atoms are together, they form a
MOLECULE.

5. In reference to the organization of the molecules, there
are three states of matter

6. Let's watch these videos

8. Matter can be classified in
Pure substances Mixtures
- Homogeneous
- Heterogeneous

9. Techniques to separate the heterogeneous substances :

10. video

11. Physical changes
The substance changes but the matter stays
the same.
Some changes are reversible but other no.

12. video

13. When matter changes state caused by changes in temperature, four
situations can happen:

14. video

15. Chemical changes
The substance changes into a difference
substance.

16. Chemical changes can happen by:
COMBUSTION

17. Oxidation

18. Putrefaction