Atmosphere

The layer of gases that surround Earth

• Atmosphere

• Troposphere

• Stratosphere

• Ionosphere

A form of oxygen that has three oxygen atoms instead of the usual two

• Oxygen

• Atmosphere

• Greenhouse Gases

• Ozone

The amount of mass in a given volume

• Mass

• Volume

• Density

• Pressure

The force pressing on a given area

• Density

• Air Pressure

• Gravity

• Mass

The lowest layer of Earth's atmosphere, where weather occurs.

• Troposphere

• Exosphere

• Mesosphere

• Stratosphere

The second-lowest layer of Earth's atmosphere, the ozone layer is located here

• Troposphere

• Mesosphere

• Stratosphere

• Atmosphere

The middle layer of the Earth's atmosphere, most meteoroids burn up in this layer

• Troposphere

• Stratosphere

• Ionosphere

• Mesosphere

The lower part of the thermosphere where electrically charged particles called ions are found

• Ionosphere

• Mesosphere

• Thermosphere

• Exosphere

The outer layer of the thermosphere, and the last layer of Earth's atmosphere that extends outward into space

• Thermosphere

• Atmosphere

• Stratosphere

• Exosphere

The process by which heat is trapped in the atmosphere by water vapor, carbon dioxide, methane and other gases that form a "blanket" around Earth

• Gravity

• Greenhouse Effect

• Coriolis Effect

• Density