Materials: Vacuum, Alarm, Feather, Metal Washer, Magnet, Marshmallow, Goggles
Procedure:
Flip the plastic shield of the vacuum over. Place the feather underneath the metal washer in the center of the shield. Then place the magnet beneath the shield so the feather is held by the metal washer inside. Place the shield on the vacuum. Turn on the vacuum. Record Observations. Turn off vacuum.
Place marshmallow in the center of the vacuum. Place shield on vacuum. Turn on vacuum. Record Observations. Turn off vacuum.
Place Alarm in vacuum. Turn on Alarm. Place shield on vacuum. Turn on vacuum. Record Observations. Turn off vacuum.
Safety Precautions:
- Wear goggles in order to protect your eyes if anything unexpected happens
- Be cautious in operating the vacuum
- Increasing Air Pressure dampens sound
- Increased Air Pressure does not provide air resistance
- After increasing air pressure, all the air in the marshmallow will be lost, shrinking the marshmallow
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