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 Lesson Plans (2) Podcasts (5) Assessments (1) Interactives/Games (2) Learning Activities (2) Learning Assets (2)

## ALEX Lesson Plans

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Subject: Science (9 - 12)
Description: The students will evaluate their personal radiation dose. They will develop an understanding of the term radiation and how it relates to everyday life. The will simulate how radioactive material decays and apply the term half-life. Students will use a computer program to see that the half-life for different substances never changes. The students will evaluate nuclear power as a source of energy.This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone Family Foundation.

## Thinkfinity Lesson Plans

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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.

## ALEX Learning Assets

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Title: Light as a feather....or is it?
Digital Tool: Feather and Coin in a Vacuum
Digital Tool Description: Students often have a misconception about the force of gravity of objects of different mass. This video shows an MIT student demonstrate with a clear tube that contains air how objects of 2 different masses, a penny and a feather will fall as expected (penny hits first) and then how the objects experience equal forces of gravity in the tube with air removed (vacuum). The video itself has no voice over or music, simply read-over text so it is not dramatic but a simple demonstration.

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Title: Electromagnetic Waves
Digital Tool: Digital video
Digital Tool Description: Use the you tube video presentation of the "electromagnetic spectrum song" to aid in student remembering the electromagnetic spectrum.

## 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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Levitating Top Demonstration
Overview:
Gyroscopic motion, like that of a spinning top, creates a force that can be used to stabilize an object. Magnets can be used to either attract other magnets or repel them. When the forces of gyroscopic motion, magnetic repulsion, and gravity are all balanced correctly object can be made to levitate. The amazing process of levitation is displayed excellently using a Levitron top. There are no camera tricks, mirrors or wires used to make our top "float". As hundreds of our visitors can tell you this is just an amazing sight to see. Note: This video does not include audio.

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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.

## 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

### Assessments

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Intramolecular Forces
http://highered.mcgr...
Students label the particles and forces in and between water molecules. Immediate feedback is provided to the students.

### Interactives/Games

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Gravity and Orbits, Physics Interactive Simulation
This is an interactive simulation for the effects of Gravity on orbiting bodies in space.

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Intramolecular Forces
http://highered.mcgr...
Students label the particles and forces in and between water molecules. Immediate feedback is provided to the students.

### Learning Activities

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Electromagnet
http://education.jla...
Instructions on how to make an electromagnet/make it stronger..with pictures.

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Intramolecular Forces
http://highered.mcgr...
Students label the particles and forces in and between water molecules. Immediate feedback is provided to the students.