In this lab experience, students are challenged to design and build an efficient calorimeter. Students find that the nail must be completely surrounded by the wire or a strong enough current cannot be produced. The faster the nail and magnets are spun, the brighter the LED bulb will glow.
Safety:
Before conducting the lab, review with the class the safety precautions on the student page. Then discuss any safety precautions that are specific to your science laboratory or classroom. Instruct students to practice caution while working with electronics.
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