7E1Jamerius Flashcards
Atmosphere
The envelope of gases surrounding the earth or another planet.
Altitude
The height of an object or point in relation to sea level or ground level.
Density
The degree of compactness of a substance.
Troposphere
The lowest layer of Earth’s atmosphere.
Stratosphere
The layer of the earth’s atmosphere above the troposphere.
Mesosphere
The region of the earth’s atmosphere above the stratosphere and below the thermosphere.
Thermosphere
A layer of Earth’s atmosphere that is directly above the mesosphere and below the exosphere.
Exosphere
The outermost region of a planet’s atmosphere.
Temperature
The degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch.
Nitrogen
The chemical element of atomic number 7, a colorless, odorless unreactive gas that forms about 78 percent of the earth’s atmosphere.
Carbon Dioxide
A colorless, odorless gas that is present in the atmosphere and is formed when any fuel containing carbon is burned.
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.