Across
- 3. energy from the sun.
- 4. when fuels are burned, chemical energy becomes ____ energy.
- 6. used to heat homes. Formed from plants and animals that lived millions of years ago.
- 7. heat passing through liquids and gasses.
- 8. burning gasoline and changing it into mechanical energy.
- 9. plants, animals, and all living things on Earth could not live without the _____.
- 10. whenever anything moves, it is using _____ energy.
- 12. solar heat moving in waves. Using a microwave.
- 14. you (can/cannot) see energy but you can see what it does.
Down
- 1. use energy from the sun to make their own food.
- 2. energy that passes from one object to another.
- 5. energy that make lights turn on. It uses electricity.
- 8. heat passing through solids. Heat keeps flowing until both objects are equally hot.
- 11. the ability to do work.
- 13. molecules in liquids and gases move (apart/together) when they are heated.