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written by the Phun Physics
This page contains procedures for a classroom demonstration that illustrates the concept of inertia. A dollar bill is placed between two soda bottles, with the top bottle filled with water. The currency acts as a water sealant, creating a system of balanced upward and downward forces. The water remains at rest until the demonstrator yanks out the dollar bill. Background information and reference material on Newton's First law are included.
Phun Physics is a collection of physics demonstrations which introduce basic physics topics, are approximately 45 minutes long, and can be varied for presentation to grades 3-12.
SEE RELATED ITEMS BELOW for a link to the full collection.
This resource is part of a Physics Front Topical Unit.
Topic: Dynamics: Forces and Motion
Unit Title: Newton's First Law & Inertia
Cool classroom demo for illustrating inertia at rest. A dollar bill is placed between two soda bottles; the top bottle is filled with water. Upward/downward forces are balanced because the dollar acts as a sealant. Quickly removing the dollar bill creates a net unbalanced force on the water, which whooshes into the soda bottle below. Try teaming this teacher-led demo with the Pencil Drop below, which students could perform.Link to Unit:
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Phun Physics: Dollar Bill Grab:
Is Part Of http://phun.physics.virginia.edu/demos/
This is the full collection of Phun Physics demonstrations for elementary and secondary science classrooms. Procedures and background information are available for each demo.relation by Caroline Hall
Covers the Same Topic As Phun Physics: Pencil Drop
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