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

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Presentation transcript:

Behaviors of gases and the atmosphere

HOT AIR RISES! hot-air-balloons-work-video.htm

Rising Air Expands and COOLs

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.

As air rises, surface Air pressure is LOWERED

* Balloon Demonstration: 1. Blow up a balloon. 2. Let it go. 3. Observe.

Air travels from High pressure to Low pressure

* Glass with ice demonstration 1. Fill a glass with ice and let it sit. 2. Observe over time. 3. Summarize what you see.

Cold air holds less Moisture than warm air.