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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.
Motor Effect
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In this activity about electricity and magnetism, learners examine what happens when a magnet exerts a force on a current-carrying wire.
Paper Tape Motion Timer
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In this activity, learners build a recording timer made from simple materials (e.g., small dc motor, sharpie pen, craft sticks, adding machine paper tape, etc.).
LEGO Robots
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This activity (on page 2 of the PDF under GEMS Activity) is a full inquiry investigation into technology design and testing.