1. Weather
Air Pressure

2. What is air pressure and how is it
measured?
~ Turn and Talk about what you think air
pressure is and how is it measured.
~ SHARE what you came up with as a class

3. What is air pressure and how is it
measured? - NOTES
Air pressure is the weight of the
atmosphere pressing at a certain place.
Air pressure can change because air
particles can move farther apart or closer
together.

4. Measuring Air Pressure- NOTES
Weather scientists use a barometer to
measure air pressure.

5. Air Pressure and Weather - NOTES
Air Pressure and Wind go hand in hand.
There are two types of air pressure: High (H)
and Low (L)
Changes in air pressure means the weather is
changing.

6. Air Pressure and Weather - NOTES
Low Air Pressure = rainy or stormy weather
High Air Pressure = fair weather, sunny