Across
- 4. This energy comes straight from the sun.
- 6. This type of energy will never run out.
- 7. This type of energy will run out one day.
Down
- 1. Renewable forms of energy can be described as being this word because they will not run out.
- 2. This is a nother name for a energy source that will run out one day.
- 3. Use of this energy source can be destructive.
- 5. Fuel that is used to cook food at home.