Across
- 3. The force which causes electron transfer in static electricity.
- 8. A negatively charged particle found in atoms.
- 9. Reactions that release energy.
- 11. A characteristic an animal has which helps it to survive
- 12. The first element in group one of the periodic table.
- 13. An organism in a food chain which eats other organisms
- 14. Reactions that absorb energy.
- 15. The name for dead, organic material.
Down
- 1. When opposite charges are brought together they...
- 2. Potassium reacts with water to make hydrogen and potassium...
- 4. When objects with like charges are brought together they...
- 5. An organism which feeds off dead material.
- 6. The first element in group seven of the periodic table.
- 7. An organism in a food chain which photosynthesises to get energy.
- 10. The turning effect on an object caused by a force.