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Watch a simple but fascinating chemistry experiment using phenolphthalein and dry ice to demonstrate pH changes in real time. See how carbon dioxide forms acid in water and causes a dramatic color ...

👉 Watch the video of Sarah’s school science experiment here! Hello parents, teachers and students! If you’re looking for fun way to explore chemistry with you middle-school aged kiddos, this ...

This science challenge shows a surprising color-changing reaction using bleach and simple materials. The quick experiment highlights how chemical reactions can create dramatic visual results. A short, ...