Across
- 2. a chain of glucose molecules
- 6. a molecule in meats, beans
- 7. a combination of atoms
- 9. the variable that the researcher changes
- 10. the process plants do to store light energy in the form of chemical energy
- 11. an organelle in plants where photosynthesis happens
Down
- 1. the process that plants and animals do to store access chemical energy stored in the bonds of molecules
- 3. a molecule made of two hydrogen atoms attached to an oxygen atom
- 4. a molecule in sugar, starch, fiber
- 5. change over time
- 8. the variable that changes in response to the researcher's change
- 12. A molecule in fat, oil, cholesterol
- 13. the battery of the cell