L2 - Air pressure

This beaker is:

• Full

• Half full

• Empty

This beaker is filled with:

• Water

• Air

• Water and air

Which heavier, hot or cold air?

• Hot

• Cold

What happens with COLD air?

• Shrinks and goes down

• Shrinks and goes up

• Expands and goes down

• Expands and goes up

What happens with HOT air?

• Shrinks and goes down

• Shrinks and goes up

• Expands and goes down

• Expands and goes up

Look at the picture. In which direction would you expect air to move?

• Left

• Right

• Nowhere

Which device is used for measuring air pressure?

• Thermometer

• Hygrometer

• Barometer

When air moves from a high-pressure to a low-pressure area, it creates:

(a)  

When air pressure is HIGH, what kind of weather can we expect?

• Sunny

• Cloudy

• Rainy

When air pressure is NORMAL, what kind of weather can we expect?

• Sunny

• Cloudy

• Rainy