Across
- 3. when the ground shakes causing damage to buildings
- 6. when ice warms up and turns into water
- 7. A spiral of extremely strong winds
- 9. sources of energy that do not run out (become exhausted)
- 11. energy that comes from movement of the air
- 12. when harmful gases are released into the atmosphere by factories and vehicles.
Down
- 1. chopping down large areas of trees
- 2. when very little rain falls in an area for a long time
- 4. when the number of a particular animal is very low and it could become extinct
- 5. energy that comes from the sun
- 8. when materials like plastic are processed so they can be used again
- 10. when lots of rain falls and causes damage to buildings