Science

2. the physical energy resulting from electromagnetic radiation, usually observed as it radiates from a source into the surrounding environment.
3. a substance that is present at the end of a chemical reaction.
6. a substance that takes part in and undergoes change during a reaction.
8. a process that leads to the chemical transformation of one set of chemical substances to another.
10. (chemical formula CO 2)
13. organisms use sunlight to synthesize foods from carbon dioxide and water.
15. is the name of the green pigment that plants use to make food during a process called photosynthesis
16. a plastid that contains chlorophyll and in which photosynthesis takes place.

1. powerhouse of the cell
4. an organism deriving its nutritional requirements from complex organic substances.
5. the main sugar found in your blood. It comes from the food you eat, and is your body's main source of energy.
7. respiration a series of chemical reactions that break down glucose to produce ATP
9. the chemical element with the symbol O and atomic number 8.
11. an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
12. the source of energy for use and storage at the cellular level.
14. is the name of the green pigment that plants use to make food during a process called photosynthesis