Across
- 4. to positive
- 5. an object used for solor enegy
- 6. enegy used to power houses
- 9. opposite to negative
Down
- 1. enegy source that utilises the sun/ solar
- 2. primary non renewable energy source
- 3. energy used when kicking a ball
- 7. battery ,wires and globes are all components of this 7 letter word electrical .......
- 8. what is the 4 letter missing word that comes before wind and turbine