## ALEX Podcasts

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Planet Gravity project
Overview:
This podcast was designed to cover the force of gravity. The purpose of this particular podcast is to compare weight on the various planets as a result of the force of gravity on a mass.

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Balanced & Unbalanced Forces 2
Overview:
This podcast is one in a series of podcasts designed to introduce and explain forces in our world.  This particular podcast teaches the difference between balanced and unbalanced forces including a demonstration of how to calculate each.  The students also show combined forces and how to calculate them.

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Newton's Second Law
Overview:
This podcast is part of a series of podcast designed to introduce and explain forces in our world.  This particular podcast focuses on Newton's Second Law of motion and the students use real life application and demonstration to explain this law.  They also demonstrate the math skills needed to explain what is happening in Newton's Second Law of Motion.

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Nuclear and Gravitational Force
Overview:
This podcast is one of a series of podcasts that are designed to teach about the forces in our world.  This particular podcast focuses on gravitational and nuclear forces.  The students discuss Universal Gravitation, and nuclear forces and demonstrate each in the podcast.  They also define the unit for force.

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Types of Friction
Overview:
This podcast is designed to introduce and demonstrate the common types of friction.  Teachers and students alike will enjoy the descriptions and demonstations presented by students to assist with the understanding of the various types of friction forces encountered in our world.

## Thinkfinity Podcasts

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Subject: Physical Education, Science
Title: Curve Balls
Description: In this Science Update, from Science NetLinks, you'll hear about the mathematics behind baseball pitching. Mathematician Chuck Romine discusses a new mathematical model that describes the trajectory of a curve ball. Science Updates are audio interviews with scientists and are accompanied by a set of questions as well as links to related Science NetLinks lessons and other related resources.

## Web Resources: Podcasts

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Physics of Projectile Motion
http://www.gpb.org/c...
Physics 405: Projectile Motion. GPB Television Podcast for physics and physical science. Includes an embedded 30 minute video lesson,two note-taking guides and a problem worksheet (PDF).

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Physics 403: More of Newton's 2nd Law
http://www.gpb.org/c...
Physics 403: More of Newton's 2nd Law. GPB Television Podcast for physics and physical science.

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Chemistry 102: The Metric System
http://www.gpb.org/c...
This is GPB Television Podcast for the Metric System

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