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Vocabulary
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Weather Instruments
Weather Instruments Units
Gases and Mass
100
What is a forecast?
A prediction about what type of weather to expect
100
What is the study of Earth's weather called?
Meteorology
100
What does a thermometer measure?
Temperature
100
What unit is used when using a thermometer?
Degrees Celcius
100
What is mass?
The amount of matter in an object
200
What is a meteorologist?
A person who studies weather
200
What are weather factors?
Properties of air that affect weather
200
What does a wind vane measure?
Wind direction
200
What unit does a wind vane use?
Compass points (North, South, East, West)
200
Does air have mass?
YES!
300
What is the atmosphere?
The gases surrounding a planet
300
What is pressure?
The push when compressed air pushes back
300
What does a barometer measure?
Air pressure
300
What unit does a barometer use?
Millibar
300
What is weight?
The force an object exerts due to gravity - mass plus the effect of gravity
400
What does it mean to be compressed?
Forced into a smaller space
400
What is severe weather?
Weather that is dangerous or causes damage
400
What does an anemometer measure?
Wind speed
400
What unit an anemometer use?
Kilometers/hour
400
What are the two most plentiful gases in our atmosphere?
Nitrogen and oxygen
500
What is condensation?
The change of the state of matter from a gas to a liquid
500
What is the boiling point and freezing point of water?
100 degrees Celcius, 0 degrees Celcius
500
What does a hygrometer measure?
Humidity
500
What units does a hygrometer use?
Percentage
500
What gases are found only in the troposphere and are variable gases? (there are 2)
Water vapor and carbon dioxide