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