Design, test, and refine a device that converts energy from one form to another.
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Define a simple design problem that can be solved by applying scientific ideas about magnets.
Design and build a device that uses light or sound to solve the problem of communicating over a distance.
Apply scientific ideas to design, test, and refine a device that converts energy from one form to another.
Apply scientific principles of energy and motion to test and refine a device that converts kinetic energy to electrical energy or uses stored energy to cause motion or produce light or sound.