Materials: Iron nail (3–4 inches) Copper wire (insulated) AA battery Electrical tape Paper clips or small metal objects Goal / What They Will Learn: Understand how electricity can produce a magnetic field and explore the principles of electromagnetism. Expected Outcome: When current flows through the wire wrapped around the nail, the nail becomes magnetized …

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Batteries from veggies

    Ok, the above image is a bit of an exaggeration, but batteries do generate electricity (so to speak) by using two dissimilar metals and an electrolytic solution. This is the same principle that is used to turn veggies into batteries since vegetables and fruits are filled with natural electrolytic material, the most important …

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Potato Battery Raw Materials!

A potato battery project is the last in a series of fruit and veggie  battery projects included on this site. Many versions are available, but unless you want to get fancy with the voltmeter, fruit batteries make great science projects for kids since they are both inexpensive and relatively easy to perform. A quick look …

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