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C1S1 Vocab

Chapter 1 Section 1 Vocab

TermDefinition
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.
Created by: Jeralyn Wiggins
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