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Science Test 3
Weather Conditions
Question | Answer |
---|---|
What is the air that surrounds our planet? | atmosphere |
What are air particles pressing down on a surface? | air pressure |
What layer of the atmosphere is closest to Earth? | troposphere |
What is the second layer of the atmosphere that is JUST above the weather? | stratosphere |
What is the greenhouse effect? | Heat from the sun is trapped in the atmosphere to warm Earth. |
What is an air mass? | A large body of air that has moisture and temperature similar to the place over which it formed. |
What is formed when two air masses meet? | front |
What is an instrument that measures air pressure? | barometer |
What instrument measures humidity? | hygrometer |
What is the amount of water vapor in the air? | humidity |
Which clouds are thin, wispy, and located at high altitudes? | cirrus |
Which clouds are dark, towering, and bring heavy rain? | cumulonimbus |
Which clouds are thick, gray, and near Earth's surface? | stratus |
Which clouds are puffy, white, and at middle altitudes? | cumulus |
What are the FOUR layers that make up our atmosphere? | thermosphere, stratosphere, mesosphere, troposphere |
What two properties describe air masses? | temperature and moisture |
Most weather occurs in this layer of the atmosphere. | troposphere |
Does warm air have high pressure or low pressure? | low pressure |
The cloud type that usually brings heavy rain is called _____. | cumulonimbus |
Where is air pressure highest? | near Earth's surface |
What happens along fronts? | weather |
Does cold air have high pressure or low pressure? | high pressure |