Across
- 4. The layer of air that surrounds our planet.
- 5. The warming of Earth caused by the atmosphere trapping thermal energy from the sun.
- 9. Particles of air pressing down on the Earth's surface.
- 10. A huge body of air which all has similar temperature and moisture.
Down
- 1. An instrument used to measure wind speed.
- 2. An instrument that measures air pressure.
- 3. The layer of atmosphere closest to Earth.
- 6. The amount of water vapor in the air.
- 7. They layer of atmosphere that contains ozone and is located above the troposphere.
- 8. The border where two air masses meet.
