Exploding Soap

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Veronika was a bit bored as I was cleaning the kitchen this morning, and I wanted an activity that could occupy her quickly. Luckily, a bar of soap and a microwave are all you need for some quick STEM exploration!

I placed a bar of soap on a paper plate and then popped it in the microwave. Veronika helped me set the timer for 2 minutes.

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Stand back and watch it explode! Monitor closely, because you don’t want a messy microwave, but the soap will begin to bubble up and expand and do all kinds of exciting things. I’ve heard this activity described online using both Ivory Coast and Dial, but I don’t think it matters which brand you use.

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We removed the bubbly soap from the microwave and then began some careful exploration. Within moments, it will be cool enough to explore safely, but still soft enough that it no longer resembles a hard bar of soap. I placed the soap in a craft tray with a shallow layer of water and Veronika loved stirring around the soap flakes.

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Or mashing at the remaining cake of soap with craft sticks.

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She even washed her hands! So you can definitely say this turned out to be good clean fun.

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Mayflower Soap Ship

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Here’s an easy history lesson for “summer school”, if you’re helping kids transition back towards an academic mode for the fall. It’s a project that’s equal parts history, STEM, and play!

To start, I wanted Travis to learn a bit about the Mayflower ship that carried the Pilgrims to America, and we found an online read-aloud for kids on YouTube. Travis was thunderstruck (pun intended) by images of the voyage across the ocean as the ship was caught in storms and waves.

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Once he finished the video, it was time to create our own ship! Ideally you’ll want a bar of soap that floats for this project and be careful because not all do. Ours was a heavy soap and had a tendency to sink, but we could always nudge it gently back to the top.

To make the sails, cut construction paper (Travis chose blue) to the same size as the soap bar, and tape these “sails” to toothpicks.

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Insert the toothpicks into the soap.

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Travis sent his boat out to sea! Blow gently on the sails and watch the boat move.

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Again, this was tricky since we had to rescue our soap from the bottom of the basin a few times, but Travis loved that he could move it along, and learned a bit about how real sailboats operate.

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And then of course he gave his Legos a ride!

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Finish the project with a drawing of the boat to add in a little art to the mix!

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Fun with Plastic Dinosaurs

 

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Over the years we seem to have accumulated a good-sized collection of tiny plastic dinosaur figurines. You can find these sold in tubes at toy stores, craft stores, and museum stores, and we’ve amassed quite a few duplicates as time has gone by. So it was time to have fun with a few of the extras!

First, Travis decided to cover them in sparkly glitter paint.

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This immediately made me think of sparkly Christmas ornaments, so we finished off the look with a little chenille stem collar for each one.

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If you loop thread or an ornament hook through each dinosaur’s collar, you can really hang them up on your tree next holiday season! We’re setting ours aside for Christmas.

Next up was dinosaur “egg” soap. If you truly want yours to look like eggs, you’ll need oval soap molds (available at craft stores). I only had square craft molds but hey, maybe there was a dinosaur somewhere who laid square eggs instead of oval ones.

Place a plastic dino in each empty mold.

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Meanwhile, melt a bar of glycerin soap in the microwave – you’ll need to heat it at 30 second to 1 minute intervals until completely melted, stirring after each interval.

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A word of caution: we first tried a bar of bath soap from the store, but it only puffed up in the microwave instead of melting. Although this led to endless amusement for Travis, it did not make great dino eggs! Turns out you really need to buy what’s called “melt and pour” soap or it simply won’t work.

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Once we had the right soap, it melted in a mere minute! Travis loved pressing the microwave buttons. Let your child carefully stir to remove any final lumps, then (adult step!) pour over the dinosaurs.

Here they are trapped in goo. Travis was gleeful!

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I was impressed with how quickly the soap sets, in under an hour, meaning kids won’t have to wait long for soapy fun. Bring your dinos into the tub, wrap them in cellophane for gifts, or place out as decoration.

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If you get soapy with your “eggs” in the tub, it won’t be long before your dinos hatch!

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