Learn about the science of sound with this easy experiment. Then create a DIY star projector to explore the concept hands-on. Use the video lesson in the link below to teach third grade science students why stars are only visible at night. Learn more: Raising Lifelong Learners 20. ![]() Encourage them to plan, draw blueprints, and test their creations, using the scientific method. Build a better umbrellaĬhallenge students to engineer the best possible umbrella from various household supplies. Try different soaps, mixing up the ratios to make the strongest bubble possible. Have your third grade science students put on gloves and watch the bubbles bounce! Then encourage them to experiment with their own bubble solution. Learn more: Science Buddies/Sunprints 18. Kids learn about chemical reactions as they use the power of the sun to create unique works of art. You’ll need special sunprint paper for this project, but it’s inexpensive and easy to find. ![]() ( Find more fun ways to use pool noodles in the classroom here.) Experiment with angles, force, and surface materials to find the fastest way to get the marble to the bottom. Run marble races with pool noodlesĬrack open a pool noodle or two and create your own marble racetracks. Learn more: Science Sparks/Waterproof Roof 16. Find the most waterproof roofĬalling all future engineers! Build a house from LEGO, then experiment to see what type of roof prevents water from leaking inside. Learn more: Buggy and Buddy/Balancing Robot 15. Then glue some coins to the back and have your students try to find its center of gravity! Print out, cut, and color this free paper robot. In this third grade science project, learn about supersaturated solutions by crystallizing some colorful fall leaves. Crystallize some pretty fall leavesĮvery kid loves making crystals. Then thread a string through the middle and make it spin. Spin a disappearing color wheelĬolor a paper disk with the six primary and secondary colors. ( Love Play-Doh? Get more learning ideas here.) Then students can take a core sample with a straw. Learn about the layers of the Earth by building them out of Play-Doh. Learn more: Buggy and Buddy/Magnet Gravity 11. Use this simple experiment to discover more about gravity and the effects of magnets on metal objects. Magnets are always a hit in the classroom. Defy gravity with magnets and paper clips Try experimenting with salt water to see how the density changes things. Use a balloon to make an iceberg, then float it in a dish of water to learn how much you can see above and below the waterline. This is a great project to try before a trip to the natural history museum. Craft fossils from glueĬreate clay molds of natural objects, then fill them with school glue to make your own “fossil” casts. Learn more: Science Buddies/Slime Chemistry 8. This third grade science experiment plays around with different formulations to create slime with varying properties. ![]() ![]() Kids adore slime, and it’s actually a terrific way to teach them about polymers. Learn more: 123 Homeschool 4 Me/Candy Machine 7. Kids can get creative and develop any kind of delivery system they like! Learn about inclined planes with this fun simple-machines project. Learn more: 123 Homeschool 4 Me/Thermal Reaction 6. Use vinegar to remove the protective coat from steel wool and watch the temperature rise from the chemical reaction. See the temperature rise in a chemical reaction But using a little static electricity and a plastic spoon, it’s surprisingly simple. When you mix up salt and pepper, you’d think it would be almost impossible to separate them again. Separate salt and pepper with static electricity Magnetize a needle and float it on the water’s surface, and it will always point north. Here’s an old classic that never fails to impress.
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