| Term | Definition |
|
Altitude |
Elevation, the distance above sea level |
|
Layers of the Atmosphere |
Categorized by changes in temperature, altitude, and pressure |
|
Weather |
The condition of Earth's atmosphere at a particular time and place |
|
Climate |
The average conditon of Earth's atmosphere at a place |
|
Atmosphere |
The layer of gasses that surrounds the planet |
|
Ozone |
A form of oxygen with three oxygen molecules |
|
Water Vapor |
Water in gas form |
|
Pollutants |
Harmful substances in the air, water or soil |
|
Photochemical Smog |
The brown haze caused by sunlight on chemical pollutants |
|
Smog |
A combo of smoke and fog |
|
Acid Rain |
Rain that contains more acid than normal |
|
Air |
The combo of gases that make up the atmosphere |
|
Air's Properties |
Mass, Density, Pressure |
|
Pressure |
The force pushing on an area or surface |
|
Air Pressure |
The weight of a column of air pushing down on an area |
|
Density |
The amount of mass in a given volume |
|
Barometer |
Weather instrument used to measure pressure |
|
Mercury Barometer |
Glass tube open at the bottom and partially filled with mercury |
|
Aneroid Barometer |
Has an airtight metal chamber thta expands and contracts depending upon the air pressure |
|
Troposphere |
Lowest layer of the Earth's atmosphere, where most weather occurs |
|
Stratosphere |
Second layer of the Earth's atmosphere, ozone layer is in the upper part |
|
Mesosphere |
Third layer of the Earth's atmosphere; outer part is the coldest part of atmosphere |
|
Thermosphere |
Upper most layer of Earth's atmosphere; has two layers ionosphere and exosphere |
|
Ionosphere |
Lower layer of the Thermosphere |
|
Exosphere |
Upper layer of the Thermosphere |
|
Mass |
Amount of matter |
|
Matter |
Weight |
|
Volume |
Amount of space something takes up |