Across
- 7. reaction: a process in which atoms rearrange to form new substances
- 8. information about the natural world that is used to support or go against (refute) a claim
- 12. a category of large molecules that perform important functions inside living things
- 13. the body’s use of molecules for energy and growth molecule: a group of atoms joined together in a particular way
- 16. acids: molecules that are the building blocks of proteins
- 18. the process of making clear how your evidence supports your claim
- 19. system: the body system that takes in oxygen and releases carbon dioxide
Down
- 1. a type of energy storage molecule made of many glucose molecules connected together
- 2. a molecule that organisms get from the air or water around them and use to release energy
- 3. system: the body system that takes in food and breaks it down
- 4. system: the body system that transports molecules to and from all cells of the body
- 5. a proposed answer to a question about the natural world
- 6. a molecule that organisms can use to release energy, and that is made of carbon, hydrogen,
- 9. dioxide: a molecule made of carbon and oxygen atoms
- 10. respiration: the chemical reaction between oxygen and glucose that releases energy into cells
- 11. oxygen atoms
- 14. a set of interacting parts forming a complex whole
- 15. the ability to make things move or change
- 17. argument: a claim supported by evidence