8th Grade Sci Review

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Across
  1. 4. How we measure energy
  2. 6. The main component of an organic molecule
  3. 8. What come together in a chemical reaction
  4. 9. Food is defined as giving us what?
  5. 10. A food molecule; a lipid
  6. 11. When muscles do work without getting enough of this, sometimes lactic acid builds up
  7. 14. Where chemical energy is stored in molecules
  8. 15. A big part of organic molecules and its ion is what we quantify to measure acidity
  9. 17. The organ with the most fat
  10. 18. What results from a chemical reaction
  11. 20. Energy is ___ in animal tissues for use later
  12. 22. What matter does during a chemical reaction
  13. 23. What are you?
Down
  1. 1. "I'm going to ___ this class!"
  2. 2. The second part of a scientific investigation
  3. 3. Moving your arm is this kind of energy
  4. 5. The smallest unit of matter (what elements are)
  5. 6. What is produced during the reaction that turns food to energy
  6. 7. A good scientific question is specific and ____?
  7. 12. What kind of thermal energy do we see in our body?
  8. 13. Energy is the ability to do what?
  9. 16. A food molecule; found in muscle tissue
  10. 19. A food molecule; sugar is an example
  11. 21. What part of an experiment is making graphs?