Across
- 2. location of countries, cities, rivers and lakes
- 3. volcanic ash
- 4. a rock containing a crystal
- 6. natural heat produced inside the earth
- 8. a need to set fire
- 10. drag from air moving past
Down
- 1. fireworks
- 5. a running exercise
- 7. to put air or gas into something
- 9. performed in the air