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The Atmosphere
Term | Definition |
---|---|
Atmosphere | The layer of gases that surround Earth. |
Ozone | A form of oxygen with three oxygen atoms in each molecule. |
Water Vapor | Water in the form of a gas. |
Density | Mass divided by volume. |
Barometer | An instrument used to measure air pressure. |
Troposphere | The layer of the atmosphere in which weather occurs. |
Mesosphere | The layer of the atmosphere that protects us from meteoroids. |
Ionosphere | The layer of the atmosphere that reflects radio waves. |
Stratosphere | The layer of the atmosphere between the troposphere and the mesosphere. |
Photochemical Smog | Air pollution that comes from the interaction of pollutants and sunlight. |
Weather | The condition of Earth’s atmosphere at a particular place and time. |
Pressure | Force per unit area. |
Pollutants | Harmful particles and gases in the air. |