L1 Notes Flashcards
What is the layer closest to earths surface called?
troposphere
How much % of gas does the troposphere contain in the atmosphere ?
•90%
Where.does most of earths weather occur?
• troposphere
Where is most of earths ozone?
•stratosphere
What is a gas that protects earths surface ? It blocks most of the Suns harmful _____ .
- ozone
* rays
Which layer of the atmosphere extends in space?
• outermost
Do you have to be lower or higher in the atmosphere to have greater air pressure?
•lower
What affects air pressure also?
•temperature
What is denser than warm air?
• cold air
What absorbs the sun energy more quickly? Land or water
• land
What result from air moving from areas of high pressure to areas of low pressure?
•winds
Where do local winds often occur?
- lake shores
* seashores
In which direction does wind blow?
• cooler toward warmer places
During when does the land heat up faster than the sea. Cooler sea air then moves toward the land . What is this called ?
- day
* sea breeze
When does the land lose heat faster than the sea does . Cooler air over the land moves toward the sea . What is this called?
- night
* sea breeze
What kind of winds where caused by the uneven heating of large areas of earths surface and by earths rotation?
•prevailing
In the U.S. winds moving north curve to the _____ and winds moving south curve to the _____. This curve is due to earths _________.
- east
- west
- rotation
What is divided into 2 layers based on the ______?
- atmosphere
* temperature
