Across
- 2. We should try to ________ electricity to help the environment.
- 5. A long time ago, people used ______ to cook food, but now we use electricity or gas.
- 6. Some people use fire to cook food when they go ____________.
- 7. We use electricity to make _________ so we can see better at night.
- 8. My __________ does not use electricity.
- 10. Electricity makes our life more __________.
Down
- 1. I will save electricity by watching less TV, and reading more books!
- 3. We use ___________ to power many things in the world.
- 4. People used ________ a long time to make light.
- 9. I use electricity when I play my video ________.