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Making a One-Second Timer
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This lab activity has learners create a pendulum with a one-second period.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-664.jpg?itok=hkJtcN4-)
Pico Cricket Compass
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Learners can program a compass to draw a circle by itself using a Pico Cricket, some Legos, and lots of tape! Pico Cricket is required.
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How to Make an Audio Tape Bow
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From this How To slide show, you create an Audio Tape Bow that can play distorted audio sounds by running it across a tape head.
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Don't Throw it in the Garbage
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In this activity, learners discover why only some types of plastic can be recycled.
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Water Treatment
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Water treatment on a large scale enables the supply of clean drinking water to communities.