Semester 1 Review

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