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Electricity and Magnetism Experiments

Discover electricity and magnetism activities for teachers and students

Build magnets and use fruit to create electricity with this collection of electricity and magnetism science experiments. Students age 10 and up can work on these projects with teachers, parents, or other mentors in the classroom or at home.

  • Build an Electrical Logging Tool

    Build a Logging Tool

    See the rock layers underground as you build your own electrical logging tool using wires and a pencil.

  • The Electrical Resistivity of Materials

    Electrical Resistivity of Materials

    Test different types of liquids to see how they affect the electrical resistance of soil, and compare the results with resistivity tests of dry soil.

  • Fruit Power

    Fruuit Power

    Create an electrical circuit using fruit! This activity teaches you about the role of ions in generating electricity.

  • Magnetic Relaxation

    Magnetic Relaxation

    Learn how to magnetize and demagnetize objects in this two-part activity. Part one shows you how to build an electromagnet, while in part two you observe it lose its power.

  • A Two-Level Headlamp For A Bicycle

    Low beam

    Design and build a high beam, or bright setting, for your bicycle headlamp in this engineering challenge.

  • Build a Better Battery

    Grapefruit battery(1)

    Make your fruit battery even stronger by experimenting with different electrodes and different fruits. What works best? 

  • Make an Electromagnet

    Magnetic Relaxation

    Take this engineering challenge to build a strong electromagnet.