Behaviors of gases and the atmosphere. HOT AIR RISES! hot-air-balloons-work-video.htm.

Behaviors of gases and the atmosphere

*5 Key Principles of Meteorology

*Principle #1

*Principle #1

HOT AIR RISES!

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*Principle #2

*Principle #2

Rising Air Expands and COOLs

*Principle #3

Demo instructions:

1. Place your hand on your desk.

2. Place your binder on your hand.

3. Place as many books as you have on your hand.

4. When finished, observe this feeling.

5. Remove books from your hand.

6. When finished, observe this feeling.

7. Summarize what was just demonstrated.

*Principle #3

As air rises, surface Air pressure is

LOWERED

*Principle #4*Balloon Demonstration: 1. Blow up a balloon.

2. Let it go.

3. Observe.

*Principle #4

Air travels from High pressure to Low

pressure

*Principle #5

*Glass with ice demonstration1. Fill a glass with ice and let it sit.

2. Observe over time.

3. Summarize what you see.

*Principle #5

Cold air holds less Moisture than warm

air.