Layers of the Earth's Atmosphere Test 7

Question 1

the least harmful form of ultraviolet radiation

Answer 1

UVA

Question 2

the type of ultraviolet radiation that causes tanning and sunburn

Answer 2

UVB

Question 3

outermost temperature layer of the atmosphere

Answer 3

exosphere

Question 4

second temperature layer of the atmosphere, immediately above the tropopause

Answer 4

stratosphere

Question 5

fourth temperature in the atmosphere, between the mesopause and the exosphere

Answer 5

thermosphere

Question 6

lowest temperature layer of the atmosphere

Answer 6

troposphere

Question 7

acts as a shield to protect the earth’s surface from the sun’s ultraviolet radiation

Answer 7

ozone layer

Question 8

“middle layer” coldest point in atmosphere

Answer 8

mesosphere