https://physicslearning.colorado.edu/pira/
Description: This demonstration illustrates low pressure vs high pressure like in a hurricane.
Equipment:
- Bell Jar
- Glass water tray
- Vacuum pump with tube
- 2 Metal rectangles
Setup Procedure:
- Fill the glass tray 3/4 full of water
- Place the 2 metal rectangles about 3 inches from each other in the glass tray so that the bell jar can sit atop them
- Place the bell jar on top of the metal rectangles
- Attach the tube with black cork into the top of the bell jar and attach that to the vacuum pump
Demonstration Procedure
- Turn the vacuum pump on until the water level rises to its maximum amount without bubbling up
- Turn the vacuum pump off and slowly release the pressure atop the bell jar by pulling the hose out of the vacuum pump
28-F4
