Across
- 3. go down / decrease
- 4. a powerful flash of light in the sky
- 6. In a ____ wave, the weather stays very hot for days or even weeks.
- 8. a long period of dry weather when there is not enough water
- 9. a storm in a desert, in which sand is blown around by strong winds
- 11. a bad storm with very fast and dangerous winds that happens over oceans
- 12. go up / increase
Down
- 1. This can happen when too much rain falls in a short period of time.
- 2. a storm with strong and twisting winds
- 5. A rainstorm can change into an ____ storm when it is very cold
- 7. very loud noise that you hear from the sky
- 10. the area of variation between upper and lower limits on a particular scale