There is less humidity in the winter than in the summer because the air is drier.

A front occurs when two air masses collide and a boundary between the two masses forms.

Very isolated strong updrafts of warm moist air over land create the potential for a tornado.

Warm moist air over the tropics helps create the perfect conditions for a hurricane. 
Additional Facts: 
1.
2.
3.
4.
​the study of the atmosphere, the climate, weather patterns, and cloud formation


the invisible layer of gas that surrounds the earth


meteorology​



​atmosphere
​the ratio between the moisture in the air at a given temperature and the total amount air is capable of holding at the same temperature

​relative humidity

​water droplets from the atmosphere in the form of rain, snow, or sleet




​a meteor that shoots through the sky


​precipitation

shooting star​

​the combined mass of water above and underneath the surface of the earth


hydrosphere​


large thick fluffy clouds that usually come with good weather 


​thin wispy white clouds that are high in altitude


cumulus clouds​


cirrus clouds​

low gray blanket of clouds that covers the sky and often produces drizzle or snow depending on the temperature​



stratus clouds​

tall towering clouds that often produce thunderstorms


​cumulonimbus clouds



Science:  The Earth's Atmosphere - Flashcards
Use the flashcards to help you memorize the following terms and definitions. Then try the worksheets shown on the Science Homepage. Once you are ready to quiz yourself, click the Quiz link.