Vacuum Pumper and Chamber – Arbor Scientific

With this affordable hand vacuum pump and chamber set students can test the effects of reduced pressure on many different objects, such as marshmallows, balloons, and water.
With this affordable hand vacuum pump and chamber set students can test the effects of reduced pressure on many different objects, such as marshmallows. Originally intended to be a coffee saver, this particular kitchen device has been hand selected by physics teachers as an easy and affordable way to study the gas laws. The chamber is specifically designed with a wide mouth which allows you to put much bigger items inside. Make a marshmallow expand. Boil water at less than 100 degrees C. Use the Vacuum Pumper and Chamber along with the Pressure Pumper (P1-2050) to study the effects of increasing and decreasing pressure. An activity on Pressure and Volume from the instructional guide is given below: Blow up a balloon so that it fills less than half of the chamber. Using a ruler, draw a line 1 cm long on the balloon. Put the balloon in the chamber. Use the vacuum pump to remove as much air from the chamber as you can. Observe the balloon. What do you observe about its size? The atmosphere is a mixture of nitrogen, oxygen, and trace gases that include water vapor. The atmosphere has different properties at different elevations. Can you explain the physical changes in terms of the arrangement and motion of atoms and molecules? Gases have neither a determined shape nor a definite volume. Gases assume the shape and volume of a closed container. Chamber measures 4.75 inches X 4.75 inches at the top and tapers down to 3.75 inches X 3.75 inches at the bottom.
Arbor Scientific is a leading provider of Physics and Physical Science teaching equipment tested and approved by educators recognized for their expertise. We work with teachers at all levels to find the ‘Cool Stuff’ - unique demonstration and laboratory tools – and then provide lesson plans, supportive teaching guides

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