7.3.1/ Kaylee Flashcards
Atmosphere
The gaseous envelope surrounding the earth; the air
Altitude
The height of anything above a given planetary reference plane, especially above sea level on earth.
Density
The state or quality of being dense; compactness; closely set or crowded condition.
Troposphere
The lowest layer of the atmosphere,
Stratosphere
the region of the upper atmosphere extending upward from the troposphere
Mesophere
The region between the stratosphere and the thermosphere,
Thermosphere
The region of the atmosphere above the mesosphere and below the height at which the atmosphere ceases to have the properties of a continuous medium.
Exosphere
The outermost region of a planet’s atmosphere.
Temperature
The degree or intensity of heat present in a substance or object.
Nitrogen
The chemical element of atomic number 7, a colorless, odorless unreactive gas that forms about 78 percent of the earth’s atmosphere.
Carbon Dixode
A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.
Oxygen
A colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.
Air pressure
The force exerted on a surface by the air above it as gravity pulls it to Earth.
Concentration
The action or power of focusing one’s attention or mental effort.
Condition
The state of something with regard to its appearance, quality, or working order.