Unit Test 1-Earth's System (Part 3)Online version Test your knowledge on the atmosphere and its characteristics! by Noel Sayco 1 What is the thermosphere known for? a High temperatures and the ionosphere. b Stable weather patterns. c High humidity and clouds. d Low temperatures and high pressure. 2 Where do auroras occur? a In the exosphere. b In the troposphere. c In the ionosphere of the thermosphere. d In the stratosphere. 3 What does the ozone layer absorb? a Visible light. b Infrared radiation. c Radio waves. d Ultraviolet radiation from the sun. 4 What is a characteristic of the exosphere? a High pressure and dense air. b Air is thin, and molecules can escape into space. c High humidity. d Frequent weather changes. 5 What type of air mass is Continental Tropical (cT)? a Warm and humid. b Cool and dry. c Warm and dry air mass. d Cold and humid. 6 What causes temperature inversion? a High humidity levels. b Strong winds. c Low atmospheric pressure. d A layer of warm air trapping cooler air below. 7 What is the primary feature of the ionosphere? a Stable temperatures. b Low humidity. c High levels of ozone. d Contains charged particles for radio communication. 8 What type of weather does Maritime Tropical (mT) bring? a Cool and humid weather. b Hot and dry weather. c Cold and dry weather. d Warm and humid weather. 9 What defines atmospheric pressure? a The humidity level. b The wind speed. c The force exerted by the weight of the atmosphere above a point. d The temperature of the air. 10 What type of air mass is Continental Polar (cP)? a Warm and humid. b Cold and dry air mass. c Warm and dry. d Cool and humid.
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