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Carrying Charges: Testing for Conductivity
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Learners are challenged to create solutions that conduct electricity and make a buzzer buzz (or an LED light up).
Jitterbug
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This activity explores the concept of center of gravity by having learners build a Jitterbug--a motorized toy that seems to dance--using a recycled CD and a DC motor.
Circuit Sense
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In this activity about electricity, learners identify closed and open circuits. First, learners examine and label diagrams of open and closed circuits.