MATTER
LEE YU HWEE MEGANにより
1. Soild
1.1. has a definite shape
1.1.1. cannot be compressed
1.1.1.1. E.G.
1.1.1.1.1. computer
2. Liquid
2.1. do not have a definite shape
2.1.1. cannot be compressed
2.1.1.1. E.G.
2.1.1.1.1. water
3. Gas
3.1. do not have a definite shape
3.1.1. can be compressed
3.1.1.1. E.G.
3.1.1.1.1. air