Atmosphere test - 11/14/18

What layer of the atmosphere contains the coldest temperature?

mesosphere

What are harmful substances in air, water, and soil?

pollutants

Temperatures generally rise as altitude increases in the __________________ and _____________________ layers of the atmosphere.

stratosphere and thermosphere

What 2 types of pollutants from burning coal cause acid rain?

sulfur oxide and nitrogen oxides

How are the 4 main layers of the atmosphere classified?

temperature variation

True or false: The exosphere is the outer layer of the thermosphere.

True

What force holds the atmosphere to the Earth?

gravity

Some air pollution occurs naturally, but many types of pollution are the result of ___________ _____________

human activity

How does the ozone layer help protect Earth?

Absorbs ultraviolet radiation (sun rays)

True or false: Most meteoroids burn up in the stratosphere.

False. Correct answer: mesosphere

True or false: The mesosphere is the layer of the atmosphere that contains ozone.

False. Correct answer: stratosphere

True or false: The troposphere is divided into two layers. The 2 layers are ______________ and _______________.

False. Correct answer: thermosphere. The 2 layers are lonosphere and exosphere.

True or false: The layer of the atmosphere where weather occurs is the thermosphere.

False. Correct answer: troposhere

How does AIR PRESSURE change as you increase altitude in the atmosphere?

It decreases.

How does DENSITY change as you increase altitude in the atmosphere?

It decreases.

The thermosphere can reach temperatures of 3,600 degrees Fahrenheit. Why would you not feel warm at the top of the thermosphere?

Low air density; not enough molecules