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4th class work2/15/2024 ![]() Here’s a cool experiment to include in your unit on oceans. Learn more: Steve Spangler Science/Growing Bacteria 11. It’s gross science, but it’s also easy and impressive. They’ll prep the dishes with agar, swab different surfaces, and see what bacteria they grow. Your students will truly feel like scientists when they perform this classic experiment. Who knew electricity could be so adorable? Explore the science behind batteries and motors by creating a simple “wigglebot.” Experiment with weights to throw the motor off balance and create fun designs. Learn more: Frugal Fun for Boys and Girls 9. ( Get more fourth grade STEM challenges here.) We love this one, which only requires basic supplies like drinking straws. ![]() STEM challenges are always a hit with kids. The classic experiment gets a new twist when you have kids shape pipe cleaners into their own names first. ![]() No list of fourth grade science experiments would be complete without crystals! Kids of all ages love growing crystals, making this an ideal way to learn about supersaturated solutions. A soap bubble you can hold in your hand? It’s true! A little glycerin makes the soap bubble layers stronger, so you can even toss them gently from person to person.
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