How Do Suction Cups Stick to Things?

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Suction cups stick when pressing them against a smooth surface lowers the air pressure beneath the cup. Higher air pressure outside the cup pushes it firmly against the surface until the seal is broken! Curious Kids Every Day is a daily, interactive podcast that respects your child's intelligence and curiosity. I created this to be a show I would be happy to have my kids listen to. Five Reasons to join the Curious Kids Club! SupportCuriousKids.com Your curious kids get a shout out on their birthdays! Ad-Free Podcast Feed Activity sheets for every new episode of the show Weekly episode schedule so you know what topics are coming up Weekly newsletters so you never miss anything! Submit a question for the show: CuriousKidsEveryDay.com Store: CuriousKidsEveryDay.com/store