Weather Insterments Flashcards
temperature is measured using
a thermometer
How does a thermometer work
Liquid (mercury or spirit) in the bulb at the bottom expands as it gets warmer
What is the unit used when measuring temperature
Degrees Celsius or Fahrenheit
Wind speed is measured using a
anemometer
Wind is measured using the units
M/s, knots or miles per hour
How does a anemometer work
It has metal cups that rotate and the faster the wind the faster the cups rotate
What is wind direction measured with
A wind vane
How does a wind vane work
It has an arrow that turns to point to the wind
What is wind measured in
Compas
What is precipitation measured in
Millimeters
What do you use to measure precipitation
A rain gauge
How does a rain gauge work
It is stuck in the ground and it collects moisture that has fallen form the sky
What is air pressure measured in
Millibars
What do u use to measure air pressure
A barometer
How does a barometer work
It uses the force exerted on the earth by the air above