Across
- 3. the species formed from chemical reactions. a process in which one or more substances, the reactants, are converted to one or more different substances, the products
- 5. light from the sun
- 6. present in the cells of all green tissues of plants and algae
- 7. a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.
- 10. a colorless, transparent, odorless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms,also know as H2O.
- 11. put (data) into a computer.
- 12. a chemical element – a substance that contains only one type of atom
- 13. a simple sugar which is an important energy source in living organisms and is a component of many carbohydrates.
Down
- 1. The green color of leaves is due to chlorophyll
- 2. an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur. It has a double membrane, the inner layer being folded inward to form layers (cristae).
- 4. In a chemical reaction, the atoms and molecules that interact with each other
- 6. a heat-trapping greenhouse gas
- 8. substance present in all living cells that provides energy for many metabolic processes
- 9. the power or force produced by a machine.