Module 9 Vocab

Question 1

Troposphere

Answer 1

A layer of the atmosphere closest to the surface of the Earth, extending up to approximately 16 km (10 miles).

Question 2

Stratosphere

Answer 2

The layer of the atmosphere above the troposphere, extending roughly 16 to 50 km (10-31 miles) above the surface of the Earth.

Question 3

Mesosphere

Answer 3

The middle layer of the atmosphere, extending roughly 50 to 100 km above the surface of the Earth.

Question 4

Thermosphere

Answer 4

The thickest layer of the atmosphere, extending roughly 80 to 500 km above the surface of the Earth.

Question 5

Exosphere

Answer 5

The layer of the atmosphere that contains 75% of the total atmospheric weight, extending roughly 500 to 1000 km above the surface of the Earth. The exosphere contains a protective ozone layer, shielding us from harmful UV light.