Making the invisible visible is probably the most fun experiment you can set up for your kids 🥳 Like ❤️, follow and include PURPLE in your comment to receive the link to this waterproof Bluetooth speaker and what we used to create the shimmery water! Sound waves are invisible to the eye but this experiment allows your kids to see that they indeed exist and travel through air. You can also use this experiment to explain to your kids that your eardrum works the same as the cling wrap (explana...
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