AIR

Which picture is a barometer

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Explain what causes the column of liquid in a barometer to go up and down

• Wind

• When there is more air pressure, its pushes the water in the container more. This causes the water in the tube to rise up higher

• Rain

• None of the above

What causes air to heat up?

• Sun

• Humidity

• It just gets hot

• None of the above

What happens to the air when it is already hot?

• The air molecules come together

• it gets more dense

• It gets less dense and the air molecules spread out

• None of the above

What happens to air as it gets farther from the ground?

• It cools off

• It gets very hot

• It stays the same as it was when it was on the ground

• Air can't move so nothing will happen

What happens to air when it cools off?

• It becomes more dense and it sinks back down

• Nothing happens

• it becomes less dense

• the air molecules spread out

What type of air occurs at a cold front?

• No rain

• thunderstorms, lots of rain, and lots of snow

• lots of sun

• a little bit of snow and rain

What is an air mass?

• A large mass of air that has the same temperature and amount of moisture throughout the whole thing.

• Air pushing down on something

• wind

• oxygen

What is air pressure

• The same thing as an air mass

• When air pushes down on something

• wind

• Rain