A lemon battery is one of those widely known experiments that every child should probably do once as they learn about electricity. Honestly, though, it was not one that I was planning to do with my kids. However, my 12-year-old is currently taking the class Batteries are Weird online from the ...
Physics
Super Easy Bottle Rocket
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This has to be one of the most fun science activities I've done with my kids in a long time. It is super simple, inexpensive, and quick. It took us a few tries experimenting with how to add the baking soda to the bottle, but I think we got it down. We were able to make this super easy bottle rocket ...
Homemade Spinning Brushbot
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What better way to get kids interested in science and technology than fun, hands-on projects that move on their own? This simple, homemade, spinning brushbot was inspired by the book How to Build Robots. This book recommends taking apart a battery-powered, electric toothbrush to get the parts for ...
Simple Homemade Robot Car
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Do your kids think robots are cool? I know mine do. We started off with our wigglebot and wobblebot which both moved in fun ways while more or less staying in the same spot. Then I made a propeller car which moved in a straight line by pushing air with a propeller. The supplies for all of these ...
Homemade Propeller Car
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My kids love when we make little homemade "robots" that move and wiggle around. I've been wanting to make something more car or rover-like with wheels for awhile, but I wasn't exactly sure how to connect the motor to the wheels. This little propeller car kind of feels like cheating, since the ...
Homemade Steady Hand Game
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Instead of having kids glued to hand-held devices this summer, why not have them make their own? A homemade, single-player, steady hand game is a fun, easy project for elementary-aged kids that teaches them a little bit about electricity. To play the game, kids try to follow a curved wire path with ...
Homemade Weather Vane and Compass Activity
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There's been a lot of weather in my life recently. We just had a couple weeks of awesome summer weather followed by some sleet, snow, and hail. (Unfortunately, I wasn't paying much attention to the changes in weather and my 4 year old dressed herself in shorts and flip flops during one of our ...
Anti-Gravity Ping-Pong Ball
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I'm so honored to have my third guest post on 123Homeschool4Me. While this activity does not ACTUALLY defy the laws of gravity, this "anti-gravity" Ping-Pong ball experiment is SUPER easy and impressive. Even my husband and I were surprised by the result at first and we have PhDs in engineering. ...
Homemade Battery Activity
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I am so honored to have been given the opportunity to be a science contributor for 123 Homeschool 4 Me. My first post on their site is up this month! Head on over to check out my really easy and inexpensive homemade battery activity. Your kids can harness the power of electricity by putting ...
Homemade Wobblebot
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As with our wigglebot, this homemade wobblebot is not technically a robot since it doesn't have any sort of decision making capabilities. However, it is still a lot of fun to make and a great first "robotics" project for young robot enthusiasts. Like the wigglebot, the inspiration for this ...
Michelle has a PhD in Engineering from Stanford University and a Bachelor's Degree from the California Institute of Technology. 