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C1S1 Vocab
Chapter 1 Section 1 Vocab
Term | Definition |
---|---|
Atmosphere | A mixture of gases that surrounds a planet of moon. |
Air Pressure | The measure of the force with which air molecules push on a surface. |
Troposphere | The lowest layer of the atmosphere, in which temperature decreases at a constant rate as altitude increases. |
Stratosphere | The layer of the atmosphere that is above the troposphere and in which temperature increases as altitude increases. |
Mesosphere | The layer of the atmosphere between the stratosphere and the thermosphere and in which temperature decreases as altitude increases. |
Thermosphere | The uppermost layer of the atmosphere, in which temperature increases as altitude increases. |
Altitude | The height of anything above a given planetary reference plane, especially above sea level on earth. |
Ozone Layer | Protects life on Earth by absorbing harmful ultraviolet radiation. |
Ionsphere | Electrically charged particles that are a part of the thermosphere. |
Aurora Borealis | The lights that are seen above the magnetic poles of the northern and southern hemispheres. |
Exosphere | The outermost region of a planet's atmosphere. |