Kids will be amazed when the liquids float one on top of the other like magic (except it is really science). Slowly layer liquids like honey, dish soap, water, and rubbing alcohol in a glass. This density demo is a little more complicated, but the effects are spectacular. This one is extremely simple, involving only hot and cold water and food coloring, but the visuals make it appealing and fun. There are a lot of easy science experiments you can do with density. Their eyes will pop out of their heads when you “levitate” a stick figure right off the table! This experiment works due to the insolubility of dry-erase marker ink in water, combined with the lighter density of the ink. The link below has complete instructions. This experiment takes a little more time and effort, but the results are always impressive. Build a solar ovenĮxplore the power of the sun when you build your own solar ovens and use them to cook some yummy treats. Learn more: Frugal Fun For Boys and Girls 11. We love this one, which only requires basic supplies like drinking straws. STEM challenges are always a hit with kids. Put all their engineering skills to the test with an egg drop! Challenge kids to build a container from stuff they find around the house that will protect an egg from a long fall (this is especially fun to do from upper-story windows).
You can do so many easy science experiments with a simple zip-top bag! Fill one partway with water and set it on a sunny windowsill to see how the water evaporates up and eventually “rains” down. Learn more: Science Buddies/Cell Phone Stand 8. Use your engineering skills and items from around the house to design and build a cell phone stand. Once they’re suitably impressed, teach them how the “trick” works by explaining the chemistry of polymers. So simple and so amazing! All you need is a zip-top plastic bag, sharp pencils, and some water to blow your kids’ minds. Gather some water, paper towels, and food coloring to teach the scientific magic of capillary action.
Kids will be amazed as they watch the colored water move from glass to glass, and you’ll love the easy and inexpensive set-up.
Learn more: Teachers Are Terrific and eHow 5. You’ve probably ridden on a Ferris Wheel, but can you build one? Stock up on wood craft sticks and find out! Play around with different designs to see which one works best. Learn more: Scholastic/Dish Soap Bubbles 4. Blow the biggest bubbles you canĪdd a few simple ingredients to dish soap solution to create the largest bubbles you’ve ever seen! Kids learn about surface tension as they engineer these bubble-blowing wands. Repel glitter with dish soapĮveryone knows that glitter is just like germs-it gets everywhere and is so hard to get rid of! Use that to your advantage, and show kids how soap fights glitter and germs.
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