Across
- 4. Smallest particle of an element
- 5. The process where a plant makes sugar and oxygen from carbon dioxide, water and sunlight
- 7. Scientific word for sugar
- 10. Energy stored in bonds
- 11. What living things breath out
Down
- 1. A substance that takes part in and undergoes change during a chemical reaction
- 2. The simplest unit of a chemical compound that can exsist
- 3. A substance produced during a chemical reaction
- 6. Radiant energy from the sun
- 8. What living beings need to breath in and is made by plants
- 9. How animals get their glucose or sugar