Reactions and Energy

4. A reaction that absorbs energy
6. A reaction where a fuel reacts with oxygen and releases energy
7. the smallest living part of an organism
9. the chemical that makes up the genetic material in most organisms
10. A substance that reacts to form one or more new substances
13. a type of organelle within a cell that stores water, nutrients and wastes
15. A reaction that releases energy
16. a living thing; something that is made up of one or more cells, and typically can grow, reproduce, take in nutrients, get rid of wastes and respond to its environment

1. a gas found in air that we need to breathe in to stay alive
2. A reaction that transforms light energy into chemical energy
3. a type of organelle that absorbs sunlight and stores the energy in sugar
5. A substance made up of two or more types of atom bonded together
8. one of the structures within a cell that performs a particular job or function, such as the nucleus or mitochondria
11. a gas found in the atmosphere; used by plants in photosynthesis and produced by all living things, including humans
12. A substance that can burn, releasing energy
14. a simple sugar made up of carbon, hydrogen and oxygen