C2L1 Describing Earths Atmosphere

Which pie chart correctly shows the percentages of elements in the air?

• a
• b
• c
• d

Which statement most accurately describes the temperature trend in the Troposphere? Temperatures...

• rise with increasing altitude above the Earth

• rise then fall with increasing altitude above the Earth

• decrease with increasing altitude above the Earth

• remain constant with increasing altitude above the Earth

Where you will find the ozone layer.

• stratosphere
• thermosphere
• exosphere
• mesosphere

What does the earth's atmosphere do?

• help to regulate the temperature on Earth
• Help UV rays to reach the Earth's surface
• Creates meteors in the sky
• Keep ocean waters cold

What is the function of the ozone layer?

• to allow UV rays to get to Earth
• to block UV rays from getting to Earth
• To keep oxygen in
• to allow meteors to get to Earth

The higher you go, the air becomes _____ _____.

• More dense
• Less dense 

The order of the layers of the atmosphere from space to the earth's surface.

• stratosphere, troposphere, mesosphere, thermosphere
• troposphere, thermosphere, stratotosphere, mesosphere
• troposphere, stratosphere, mesosphere, thermosphere
• troposphere, stratosphere, thermosphere, mesosphere

A satellite flies in the __________ layer of the atmosphere.

Describe in detail the origin of our present atmosphere. (How did our atmosphere form?)

What is the most abundant gas in our atmosphere?

• Nitrogen

• Oxygen

• Carbon Dioxide

• Ozone