Menu Project Science
Across
- 5. subatomic particle with negative electrical charge
- 8. subatomic particle with positive electrical charge
- 9. plant reaction to gravity
- 10. reacts to particular substances.
- 11. made of one element or more
Down
- 1. small number under line shows atoms of elements
- 2. plant reaction to water
- 3. a substance that can not be created or destroyed chemically
- 4. plant reaction to light
- 6. subatomic particle neutral electrical charge
- 7. plant reaction to touch
- 10. number on the left of compund shows m olcule number