- To see the effects of reducing the pressure on a balloon.
- (1) balloon
- Bell Jar
- Vacuum Pump
- Plug vacuum pump in.
- Connect hose to pump and bell jar.
- Place balloon inside bell jar and place cover on the bell jar.
- Open valve on bell jar and turn pump on.
- Close valve and turn pump off when the desired pressure has been reached.
- Once done viewing the change, open valve on bell jar and observe the changes.
Questions: What happened to the balloon? Why?