Across
- 3. Ability to do work or cause change
- 7. To take in energy
- 8. Measure of how hot or cold something is
- 10. What happened in the experiment
- 12. Amount of exposed area of a substance
- 14. A test to find answers
- 17. What you learned from the experiment
- 19. Tiny pieces that make up matter
- 20. Reaction that absorbs energy
- 21. When particles hit each other
Down
- 1. What you notice using your senses
- 2. How fast a reaction happens
- 4. To give off energy
- 5. Information collected
- 6. Variable that stays the same
- 9. Variable you measure
- 11. What you think will happen
- 13. Energy that transfers due to temperature
- 15. Reaction that releases energy
- 16. A process where substances change into new substances
- 18. Variable you change
