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Build an Overhead Projector Spectroscope
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This activity guide includes instructions for building a spectroscope using a standard classroom overhead projector.
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Morphing Butterfly
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In this activity, learners explore how nanosized structures can create brilliant color.
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Why are Compact Fluorescent Bulbs More Efficient?
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In this activity, learners explore the relative efficiency of different bulbs, specifically incandescent vs. fluorescent.
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Exploring Structures: Butterfly
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In this activity, learners investigate how some butterfly wings get their color.
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High Tech Fashion
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In this technology activity, learners build simple circuits, design soft circuits using conductive thread, and then sew switch-activated circuits.
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Exploring Materials: Nano Gold
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In this activity, learners discover that nanoparticles of gold can appear red, orange or even blue. They learn that a material can act differently when it’s nanometer-sized.
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Using Ohm's Law to Build a Voltage Divider
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In this activity, learners apply Ohm’s Law to construct voltage divider circuits. Learners discover how to read resistor codes and calculate resistor values.