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Weather Chp 1 Atmos
Vocabulary cards for Chapter 1 The Atmosphere
| Question | Answer |
|---|---|
| The condition of Earth's atmosphere at a particular time and place. | Weather |
| The layer of gases that surrounds the planet and makes conditons possible to support living things. | Atmosphere |
| light energy from the sun that can be damaging to living things without the protection of the atmosphere | radiation |
| The most abundant gas in the atmosphere (78%). Makes up proteins in living things but must be taken in as nitrates from the soil. | Nitrogen |
| Second most abundant gas in atmosphere (21%). Plants and animals use this to release energy from food. Also required for burning reactions. | Oxygen |
| The three atom form of oxygen that forms when lightning strikes and is found in upper levels of atmosphere too. | ozone |
| A gas that makes up less than 1% of the atmosphere but is an essential for plants to produce food. Released into the atmosphere by animals as a waste product and by the burning of fossil fuels. | Carbon dioxide |
| gaseous form of water which varies from place to place in the atmosphere. Plays important role in precipitation of weather. | water vapor |
| Caused by the burning of fossil fuels such as coal, oil, gasoline and diesel fuel. | air pollution |
| Harmful substances in the air, water or soil. | pollutants |
| Tiny substances in the air that come from natural and human sources like salt, dust, pollen, ashes and poisonous gases. | particles |
| A brown haze that forms in cities from a reaction of the sun with chemical pollutants in the air. | photochemical smog |
| Precipitation in the air that forms when nitrogen and sulfur oxides combine with the water in the air to form nitric and sulfuric acids. | Acid rain |
| The majority of pollution comes from burning these energy sources. | Fossil fuels |
| The amount of mass in the volume that an object occupies. | density |
| The force applied to a certain area. | pressure |
| The weight of the column of air that pushes down on a surface area of the earth. | Air pressure |
| The distance above sea level. Also known as elevation. | altitude |
| An instrument used to measure air pressure that consists of a glass tube open at the bottom and partially filled with mercury. | Mercury barometer |
| An instrument used to measure air pressure that does not use a liquid but has an air tight metal chamber which is sensitive to changes in the pressure of the air. | Aneroid barometer |
Created by:
mrscameruci
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