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Monthly Archives: November 2010

Reflection & Refraction

Posted on November 9, 2010 by Lori Anderson

One day in my classroom...“My students were amazed by examples of colorful fiber optics but didn't understand how the light goes from one end to the other; even when bent. After testing various angles of laser light through water and air up to 40 degrees, most students assume the light will continue to exit the other side.

This post was posted in Labs, Light & Color and was tagged with refraction, reflection, fiber optics, transparent, trapezoid, laser ray box
Magnetic Fields around Magnets

Posted on November 9, 2010 by Arbor Scientific

Students will make observations of bar and horseshoe magnets, using iron filings or magnetic chips to map the field. The filings will be close together where the field is strong, and farther apart where it is weak. Lines will form, following the lines of the field, from the north pole to the south.

This post was posted in Labs, Electricity & Magnetism and was tagged with iron filings, magnetic fields, magnets, poles
The Firing Squad Demo... It's Physics!

Posted on November 1, 2010 by Stephen Rea

Every day we have to make choices. Sometimes these can be life changing. In the Firing Squad Demo the student you pick to be the target, will have to choose between two dart guns to be shot with!

This post was posted in CoolStuff Newsletters, Force & Motion and was tagged with mass, inertia, gravity, physics, Firing Squad, dart guns

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