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