Across
- 4. Positively charged subatomic particle
- 5. What is made during a chemical reaction
- 6. What happened to the lake on Titan
- 8. type of change that occurs when you cook an egg or light a camp fire
- 9. The "H" in H2O
- 11. A scientific guess
- 13. Which phase has the most kinetic energy?
- 15. True or false: some physical changes can be reversed
- 17. The type of energy related to movement
- 18. The horizontal axis on a graph
- 19. Neutrally charged subatomic particle
- 20. The "C" in CO2
- 23. Negatively charged subatomic particle
- 24. Chemical equations must be _______
Down
- 1. A type of graph that shows categorical data
- 2. Does the kinetic energy increase or decrease when you heat up the substance?
- 3. The force that pulls molecules together
- 7. The phase change when a solid becomes liquid
- 10. The vertical axis on a graph
- 12. Type of change that occurs when you break a glass or freeze water
- 14. In 2007, the lake on Titan was filled with liquid _______
- 16. The "ingredients" of a chemical reaction
- 21. Finish the sentence: matter can never be created nor _______
- 22. The basic building block of matter