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00:07:59
Staff educator Tory Brady tells you how to make a teaching box—a valuable tool for getting yourself organized to teach a great science unit.

00:04:08
TI staff educator Eric Muller shows me how to carbonate my tongue. Blech!

00:04:51
A detailed demonstration of how to do the Color Chromatography activity, which lets you see the colors hidden in black ink. Includes a discussion of materials needed.

00:00:51
An introduction to how to make your own simple speaker, which transmits sound from a radio or MP3 player and demonstrates the principles of electromagnetism and vibration.

00:06:43
A detailed demonstration of how to make a cup speaker, including a discussion of materials needed.

00:02:25
The science behind the Cup Speaker activity, including how electromagnets work, and how in this activity the magnet pushes the bottom of a cup back and forth, vibrating the air and creating sound.

00:05:10
TI teacher coach Jennifer Paillet explains how to fit in more labs, and get students thinking creatively by using take-home labs.

00:00:59
Exhibit developer Erik Thogersen backs away from the Giant Mirror. Watch his image change as he passes through the focal point, then continues on past the center of curvature.

00:04:53
At the Giant Mirror, Senior Staff Scientist Paul Doherty demonstrates a simple way of locating a real image—an image that floats in space in front of the mirror.

00:01:12
An introduction to an activity that lets you discover the secret colors hidden in black ink. With a paper towel, a black marker, and a cup of water, create a rainbow of colors while exploring capillary action and chromatography.