Across
- 4. a state of matter that retains its shape
- 6. is deals with matter and energy
- 7. a matter that has no fixed shape
- 8. a form of energy
- 9. a substance that flows freely
Down
- 1. plants using sunlight to make oxygen
- 2. a study of living organisms
- 3. a fundamental property
- 5. to disperse or to disappear
- 6. basic unit of light
