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