Across
- 4. something that is required for a process
- 5. the part of a cell where photosynthesis happens
- 8. an organism that needs to eat in order to get energy storage molecules (such as starch and fat)
- 10. a starting substance that is part of a chemical reaction
- 12. the ability to make things move or change
- 13. matter that makes up the nonliving parts of an ecosystem, such as air, water, and rocks
- 15. a type of energy storage molecule
- 16. the chemical reaction between oxygen and glucose that releases energy into cells
Down
- 1. a closed ecosystem made by humans
- 2. the tiny pieces that all matter—all the stuff in the world—is made of
- 3. a molecule that organisms can use to release energy, and that is made of carbon, hydrogen, and oxygen atoms
- 6. something that results from a process
- 7. a set of interacting parts forming a complex whole
- 8. a type of atom (a tiny piece) that makes up molecules such as carbon dioxide and energy storage molecules
- 9. a molecule made of carbon and oxygen atoms
- 11. to link two or more things
- 14. matter that makes up the living and dead organisms in an ecosystem
