Across
- 3. the chemical reaction between oxygen and glucose that releases energy into cells
- 5. a molecule that organisms can use to release energy, and that is made of carbon, hydrogen,
- 7. a group of atoms joined up together to make this
- 9. the body system that takes in food and breaks it down
- 11. this is the ability to make things chnage and move
- 13. a proposed idea that helps one to explain the natral world
- 14. the process of which atoms rearrange each other to rearrange and from new substances
- 15. oxygen atoms
- 16. molecules that are the building blocks of protein
- 18. this is a molecule that organisms get from the air or water around them and use to release energy
- 19. the body system that takes in oxygen and releases carbon dioxide
- 20. a set of complex parts forming a whole
Down
- 1. a molecule made of carbon and oxygen atoms
- 2. the body's use of molecules for energy and growth
- 4. a type of energy storage molecule made of many glucose molecules connected together
- 6. a claim supported by evidence
- 8. this is something to help support or back up a claim
- 10. the process of making clear how your evidence supports your claim
- 12. the body system that transports molecules to and from all cells of the body
- 17. a category of large molecules that perform important functions inside living things