Across
- 4. anything that takes up space
- 6. could be chemical or physical
- 7. could be smoke
- 8. a mixture that has small particles
- 11. a homogeneous mixture made up of 2 or more things
Down
- 1. the study of matter
- 2. a pure substance
- 3. smallest unit of matter
- 4. combining 2 or more things not chemical
- 5. made of 2 or more elements
- 9. could be water
- 10. nor a liquid or a gas