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Ch 15: Characteristics of the Atmosphere 8th Grade

Across
The atmosphere also contains tiny ________, or solid pieces. These particles are things like dust and dirt (279)
Gases in the atmosphere, such as water vapor and carbon dioxide, absorb heat energy coming from Earth. Then, they radiate it back to Earth’s surface. This is known as the __________ _____. (287)
______ pollutants are pollutants that are put directly into the air. (295)
____ _______ are narrow belts of very high-speed winds in the upper troposphere and lower stratosphere. (292)
es. At an altitude of about 15 km, however, it starts to increase. This marks the beginning of the _________. (282)
________ are wind belts that are found between 30° and 60° latitude. (290)
This increase in temperatures all over the world is called _______ ________. (287)
Energy travels from the sun to Earth by ________, which means that it travels through space as waves. (285)
_________ ______ also move heat through the atmosphere. (286)
This deflection, or curving, of moving objects from a straight path because of Earth’s rotation is called the ______ _____. (291)
________ means "heat". (283)
An ____ ________ is anything in the air that can damage the environment or make people or other organisms sick. (295)
Cars, motorcycles, trucks, buses, trains, and planes all give off exhaust. ______ is a gas that contains pollutants that create ozone and smog. (296)
Above the ozone layer, at an altitude of about 50 km, the temperature begins to drop again. This marks the bottom of the ________. (282)
There is also water in the atmosphere. Some of it is invisible, in the form of a gas called _____ _____. (279)
________ pollutants form when primary pollutants react with each other or with other substances in the air. (295)
Down
When a warm object touches a cold object, heat moves from the warm object to the cold one. This movement of heat is called ______ ________. (286)
______ are curtains and ribbons of shimmering colored lights. (283)
____ ________ is the addition of harmful substances to the atmosphere. (295)
On a hot, still, sunny day, yellowish brown air can cover a city. This is called _____. Smog forms when ozone mixes with other pollutants. (296)
______ ________ are wind belts that extend from the poles to 60° latitude. (290)
The _________ is the uppermost layer of the atmosphere. (283)
______ _____ are large-scale wind systems. (290)
The ________ is the layer of the atmosphere that we live in. (282)
There are _____ main layers of the atmosphere: troposphere, stratosphere, mesosphere, and thermosphere. (281)
______ is moving air caused by differences in air pressure. (289)
The main reason the temperature increases in the stratosphere is because of a gas called ______. (282)
_____ precipitation is rain, sleet, or snow that contains acids from air pollution. (297)