Air
Water Cycle
Weather Instruments
100
What is a blanket of gases called?
atmosphere
100
When liquid water evaporates, what does it turn into and what is the scientific name for it?
gas, water vapor
100
What does a barometer measure?
air pressure
200
What is air if it has mass and volume?
matter
200
What is it called when the air cools, causing the water molecules to get closer together?
condensation
200
What tool measures wind speed?
anemometer
300
What are the characteristics of an air mass that forms over the North Atlantic Ocean?
cold and wet
300
What is a cloud?
Many tiny liquid droplets bunched together
300
What tools measure the amount of precipitation that falls during a storm?
rain gauge and ruler
400
What is an edge of an air mass called?
front
400
What step of the water cycle involves the water droplets falling back the earth and into our water sources?
precipitation
400
What does a thermometer measure?
temperature of the air
500
What is air pressure?
Air pushing down on us
500
Name the four forms of precipitation.
snow, hail, sleet, and rain
500
What is the difference between the wind vane and the wind sock (in terms of what they measure)?
A wind vane measures wind direction. A wind sock measures the strength of the wind.
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