Across
- 2. using energy to move or change something
- 4. the force of something pushing on something else
- 5. the study of what things are made of and how they change
- 7. anything that takes up space and has weight
- 10. when a disease spreads quickly among many people
- 11. the tiny building blocks that make up everything
Down
- 1. groups of atoms joined together
- 3. a form of matter that spreads out to fill its space
- 6. young cows or the lower parts of your legs
- 8. warmth or the energy that makes things hot
- 9. a form of matter that flows and takes the shape of its container
- 12. a form of matter that keeps its shape and does not flow easily