Water Cycle
Weather Instruments
Air Masses
Weather Maps
Weather
100
The amount of water that covers Earth's surface
What is 3/4?
100
Measures air temperature
What is a thermometer?
100
A huge body of air that has nearly the same temperature and humidity
What is an air mass?
100
Indicates LOW pressure
What is a capital L?
100
The amount of water vapor in the air
What is humidity?
200
The never-ending movement of water from Earth's surface to its atmosphere and back again
What is the water cycle?
200
Measures air pressure
What is a barometer?
200
The area where two air masses meet
What is a front?
200
Indicates HIGH pressure
What is a blue H?
200
These gases help keep Earth warm.
What are greenhouse gases?
300
The process of water vapor becoming liquid water when it cools
What is condensation?
300
Measures wind direction
What is a wind vane?
300
This type of front often brings strong winds and brief, heavy precipitation. Sometimes thunderstorms develop along the front.
What is a cold front?
300
Indicates a warm front
What is a red curving line with half circles?
300
Has winds over 119 km per hour
What is a hurricane?
400
The process of changing liquid water to water vapor
What is evaporation?
400
Measures humidity.
What is a hygrometer?
400
This type of front usually brings steady, long-lasting precipitation.
What is a warm front?
400
Indicates a cold front
What is a blue curving line with triangles?
400
Scientists use this scale to classify tornadoes.
What is the Fujita Scale?
500
is responsible for powering the water cycle
What is energy from the sun?
500
Measures wind speed.
What is an anemometer?
500
This type of front is more dense and has high pressure.
What is a cold front?
500
Indicates fronts and how they are moving
What are curving lines on a weather map?
500
Any form of water that falls to Earth
What is precipitation?