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Atmosphere Vocabulary. 7 th Grade Earth Science. D irections. Make 3 columns in your science notebook Title the columns WORD, DEFINITION, & SENTENCE Write the word in the heading Write the sentence in the 3 rd column Write the definition in the 2 nd column. Atmosphere.
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Atmosphere Vocabulary 7th Grade Earth Science
Directions • Make 3 columns in your science notebook • Title the columns WORD, DEFINITION, & SENTENCE • Write the word in the heading • Write the sentence in the 3rd column • Write the definition in the 2nd column
Atmosphere • Meteors often burn up in Earth’s atmosphere.
Atmosphere • The mixture of gases that surrounds the Earth. • The outermost layer of Earth.
Weather • Today’s weather report states that it will be sunny.
Weather the condition of the Earth’s atmosphere at a particular time and place.
Ozone • Scientists are worried that the Earth’s ozone layer is being depleted.
Ozone A form of oxygen that has 3 oxygen atoms in each molecule instead of 2.
Water Vapor • The water vapor in the air is very heavy today.
Water Vapor • the invisible gaseous form of water
Pollutants • Cars put a lot of pollutants into the air.
Pollutants • harmful substances in the air, water, and soil
Photochemical Smog • The photochemical smog is really bad in Los Angeles.
Photochemical Smog • a brownish haze that is a mixture of ozone & other chemicals, formed when the chemicals interact with sunlight.
Temperature Inversion • Las Vegas often has a temperature inversion due to it’s topography.
Temperature Inversion weather condition where a layer of warm air prevents the rising air from escaping which traps the polluted air near the Earth’s surface.
Acid Rain • Acid rain is responsible for the damage to marble statues.
Acid Rain rain that is more acidic than normal caused by the release of molecules of sulfur dioxide & nitrogen oxide in the air.
Pressure • The pressure of air in a balloon makes it expand.
Pressure • the amount of force pushing on a surface or area.
Air Pressure • The air pressure is what helps planes to fly.
Air Pressure a force that is the result of the weight of a column of air pushing down on an area.
Altitude • The city of Denver is at a high altitude.
Altitude • elevation above sea level
Barometer • A meteorologist uses a barometer to check for thunderstorms.
Barometer an instrument used to measure changes in air pressure.