Science
Across
- 2. The smallest particle of an element
- 4. A substance with a pH below 7
- 5. An alternative form of a gene
- 8. The process plants use to make food using sunlight
- 9. A base that dissolves in water and has a pH above 7
- 10. The “powerhouse” of the cell where energy is released
- 12. The rate at which velocity changes
Down
- 1. A reaction that releases heat
- 3. A substance that speeds up a reaction without being consumed
- 6. A measure of disorder in a system
- 7. A material that does not allow electricity to pass easily
- 11. A bond formed through electrostatic attraction between oppositely charged ions