1. | Rough materials | ........................ | ........................ |
2. | Materials with lustre | ........................ | ........................ |
3. | Translucent materials | ........................ | ........................ |
4. | Miscible liquids | ........................ | ........................ |
1. | Rough materials | Bricks | Tree bark |
2. | Materials with lustre | Diamond | Silver |
3. | Translucent materials | Butter paper (tracing paper) | Ground glass |
4. | Miscible liquids | Lemon juice and water | Milk and water |