Weather Vocabulary

3. The long-term, average or usual weather conditions for an area.
4. An unstable form of oxygen comes in contact with UV rays; ozone forms a protective layer in the stratosphere.
7. A substance, often a waste material such as smoke or dust, that spoils an environment.
9. The height above a given point, especially above sea level.
10. An instrument for measuring air pressure.
11. Invisible, high-energy rays from the Sun that can damage unprotected eyes and skin; also called ultraviolet rays.
13. The force by which two bodies attract each other, especially shown by the tendency of objects to fall toward the center of Earth.
14. To change into gas or vapour.
15. Gases that absorb heat in the atmosphere.
17. The layer of Earth's atmosphere just about the stratosphere, extending to about 80 km above the surface of Earth.
18. The forward edge of a moving mass of warm or cool air; the place where two air masses meet.
19. The air conditions outside at a certain time or place.
20. To change from a vapour or gas to a liquid.

1. A push applied over a surface by something in contact with that surface.
2. A temperature that is a measure of how cold the air feels to human skin, taking into account the chilling effect of the wind, as well as the actual air temperature.
5. A layer of atmosphere; beginning about 16 km up, in which temperatures are more or less uniform and clouds are rare.
6. Water in its gaseous form.
8. A layer of the atmosphere above the mesosphere, extending between about 200 km and about 500 km above the surface of the Earth.
12. The force with which air pushes against Earth's surface.
16. The air that surrounds Earth.