Across
- 3. A substance that is created
- 6. This energy is very much weather dependent
- 8. This energy can explode and is very unpredictable
- 10. Have common properties
- 11. Comes at the start of all chemical reactions
- 12. major pollution problem;non-renewable
Down
- 1. This element is to the left of the periodic table
- 2. These elements are to the right of the periodic table
- 4. This energy causes droughts and has limited reservoir
- 5. Both metals and Non-metals are called...
- 7. Once gone you cant get this resource back
- 9. Anything that uses less energy