Across
- 4. the way birds sit on wires
- 6. what gets pushed by cemicle reactions
- 7. what energy and water circuits have
- 8. the word to descibe life without batteries
- 12. a good source of energy
- 13. when 2 people used energy
Down
- 1. the way circuits go
- 2. a cross from a conductor and a insolaters
- 3. metal better than hot metal
- 5. what electrons do
- 6. particles that buzz around atoms
- 9. number of people who used a compass in 1813
- 10. the flow of electrons
- 11. the number of direction circuits go in