Across
- 3. The process by which living things change over time
- 4. The change in direction of a ray of light from a surface
- 6. Able to dissolve in a liquid
- 8. A combination of two or more substances which can be separated
- 9. The flow of an electric current through a material
Down
- 1. To pull something inwards
- 2. Unable to dissolve in a liquid
- 5. The change in direction of light as it passes from one medium to another
- 7. The differences between living things