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You are here: Home / Education / 7 electric motor activities for kids – STEM labs

7 electric motor activities for kids – STEM labs

October 10, 2016 by Lisa Grable 4 Comments

Electric motor activities are good for introducing electricity and magnetism to children. These topics are not always taught in depth because of their difficulty. These 7 fun and easy motor activities will make the concepts concrete and hands-on!7 electric motor activities use current and magnets to teach energy and electromagnetism. Simple and homopolar motors included.

Safety note: Be sure to explain safety precautions to children. These experiments use batteries and magnets. Eye protection should be used. The magnets should not be swallowed (highly dangerous!). Wires can get hot during motor operation. Disclaimer: All information provided on this site is for entertainment and education purposes only. Using any information from thecasabouquet.com is at your own risk.

The basic setup for electric motor activities is a battery to provide power, a magnet, and wire formed in a loop. The current through the wire loop becomes an electromagnet and the fixed magnet makes the wire loop turn. These 7 electric motor activities for kids encourage children to ask questions about electricity and magnetism, collect data, analyze, and share their findings.

  1. exploratorium-motor-effectThe Motor Effect from the Exploratorium
  2. crystalandcompMotorized coloring robot from Crystal and Company
  3. exploratoriumSimple mini-motor from the Exploratorium
  4. educom-motorSimple electric motor from education.com
  5. maker-dadHow to build a motor from Maker Dad
  6. arborsciHomopolar motor from Arbor Scientific
  7. babble-dabble-doTiny dancers homopolar motor from Babble Dabble Do

When trying an electric motor activity, I always encourage children to make it into an experiment. There are several areas where variables can be changed.

  • Change the number of loops of wire to see if the strength of the electromagnet changes.
  • Experiment with the insulation on the arms of the wire loop. Try all insulated, no insulation, and half insulated. How do these affect the motor operation?
  • Change the number of batteries.
  • Change the number of fixed magnets.

simple-motor-partsWhat is the science?

Content: electricity, magnetism, motors, batteries, electric circuits, energy transfer, electromagnet

Electric current will flow from the battery through your circuit to the wire coil. The coil becomes an electromagnet with a north and south pole. The magnet in your motor will attract one side of the coil and repel the other. The motor is changing electrical energy to mechanical energy. With a big enough electric motor, the spinning can be used to power something, like turn a wheel.

Resource links for electric motor activities

  • http://www.flinnsci.com/teacher-resources/safety/general-laboratory-safety/
    • General Lab Safety resources from Flinn Scientific. Be sure to check out the Student Safety Contract.
  • http://www.arborsci.com/worlds-simplest-motor
    • World’s simplest motor from Arbor Scientific
  • http://www.bbc.co.uk/history/historic_figures/faraday_michael.shtml
    • Michael Faraday from BBC History
  • https://www.aps.org/publications/apsnews/200807/physicshistory.cfm
    • Oersted’s discovery of electromagnetism from American Physical Society
  • https://www.khanacademy.org/science/physics/magnetic-forces-and-magnetic-fields#electric-motors
    • Electric motors from Khan Academy Physics

7 electric motor activities use current and magnets to teach energy and electromagnetism. Simple and homopolar motors included.I’ll be looking for comments below, or contact me at lisa[at]thecasabouquet[dot]com.horizontal bar with plumeria

Affiliate links:  if you make a purchase using these links, I’ll receive a small compensation towards maintaining this blog, at no extra cost to you.

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Filed Under: Education, Science Tagged With: easy electric motor, electricity, energy, energy experiment, engineering, homopolar motor, magnetism, physics, simple electric motor, STEM

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Comments

  1. thewritesteph.com

    October 14, 2016 at 5:13 pm

    I live near Huntsville, Alabama, and a local magazine posted that one of our biotech companies in town are working to charge pacemakers with the patients’ own insulin! Who knew that sugar is a power source. Well, as a science teacher, I’m sure you know, but I didn’t and was blown away.

    Reply
    • Lisa Grable

      October 17, 2016 at 6:41 am

      Hey Stephanie, thanks for coming by! This is very cool news. You might enjoy fruit batteries to learn more about this
      https://casabouquet.com/11-fruit-battery-activities-for-kids/

      Reply
  2. Nikki G

    October 10, 2016 at 10:59 am

    Cool stuff! I sent this link to my sister in law for my nephew. He is ALWAYS making stuff with his batteries and motors.Thanks.
    🙂 gwingal

    Reply
    • Lisa Grable

      October 12, 2016 at 11:03 am

      Glad you liked it! These are great for learning how motors work.

      Reply

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Lisa Grable, Casa BouquetI’m an educator, grandmother, classic movie fan, sewer and crafter, and I love Hawaii. Read more about me …

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