Vriend Atmosphere 1

Question 1

The atmosphere is a mixture of _____ that surrounds the planet.

Answer 1

gases

Question 2

List the layers of Earth’s atmosphere.

Answer 2

Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere

Question 3

Weather occurs mostly in which layer of the atmosphere?

Answer 3

Troposphere

Question 4

The International Space Station flies in which layer of the atmosphere?

Answer 4

It flies in the Thermosphere.

Question 5

The protective Ozone layer occurs in which layer of the atmosphere?

Answer 5

The Ozone layer exists in the Stratosphere

Question 6

As we move up from Earth through the different layers of the atmosphere, do gas particles in each atmosphere layer increase or decrease as we move away from Earth’s surface?

Answer 6

Gas particles continue to decrease as we move away from Earth.

Question 7

The majority of Earth’s atmosphere is made up of which 2 gases?

Answer 7

Nitrogen - the most abundant gas in Earth’s atmosphere

Oxygen - the 2nd most abundant gas in Earth’s atmosphere.

Question 8

What percent of the gas in the atmosphere is made up of oxygen and nitrogen?

Answer 8

Oxygen = 21%
Nitrogen = 78%

Question 9

Why is the atmosphere important to life on Earth?

Answer 9

1. It contains gases necessary for life.(oxygen, carbon dioxide)
2. Blocks harmful rays from the sun
3. Acts like a blanket controling the temperature
4. Without the atmosphere there would be no Water Cycle, weather or weathering.