The thin layer of gasses that surrounds the Earth
atmosphere
the atmosphere protects Earth from
sun's harmful rays and space debris
the atmosphere regulates Earth's
temperature
Earth's atmosphere contains
78% nitrogen, 21% oxygen, 1% other gases
Energy on Earth comes from the _____.
sun
Air pressure is strongest at
Earth's surface.
Temperature affects _______ _______.
Air pressure
The higher the altitude, the ___ the air pressure.
lower
The lower the altitude, the _____ the air pressure.
higher
We live in this layer of the atmosphere.
Troposphere
Space ships fly in this layer of the atmosphere.
Thermosphere
The warmest layer in the atmosphere is the _____.
Thermosphere
The correct order of the atmosphere from highest to lowest.
Exosphere, Thermosphere, Mesosphere, Stratosphere, Troposphere
Wind is caused by
Unequal heating of air and differences in air pressure
Seabreeze
The flow of cooler air from over an ocean or lake toward land
land breeze
movement of air from land to sea at night, created when cooler, denser air from the land forces up warmer air over the sea
global winds
winds that blow steadily from specific directions over long distances
Westerlies and Trade Winds
curved" winds that result from the rotation of the Earth under the atmosphere
polar winds
These winds blow from NE to West in the polar region moving cold air west from the poles.
corialis effect
the resulting diagonal movement, either north or south, of prevailing winds caused by the Earth's rotation