Across
- 2. Heat,fire
- 5. An area of study that deals with the location of countries,cities,rivers,mountains,lakes;the natural features(such as rivers,mountains,etc.)of a place.
- 8. A rock containing a cavity lined with crystals or other mineral matter.
- 11. Air, Atmosphere
- 13. Strengthening the heart and lungs by making them work hard for several minutes or more ;using oxygen.
Down
- 1. Of or having a shape that reduces the drag from air moving past.
- 3. Of relating to, or using the natural heat produced inside the Earth.
- 4. A bright display of fireworks
- 6. Earth.
- 7. Relating to or consisting of fragments of rock erupted by a volcano.
- 9. Performed in the air; by an airplane.
- 10. To put air into something, such as a soil or liquid.
- 12. A mental disorder that makes people have a strong desire to set fires.