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The leak proof bag is a high interest activity to introduce your children to polymers, specifically a polymer called low-density polyethylene (LDPE). And if you don’t care to get into the nitty gritty of the science, it just makes for a really fun experience.

This leak proof bag science experiment is sure to WOW your kids! All you need is two household supplies and you can do this water experiment with youleak proof bag experimentr kids.

How do You Make a Leak-Proof Bag? Fill a plastic Ziplock bag about 3/4 full with water. Stick a few sharp skewers through the bag one by one. Watch in amazement leak proof bag experimentas your punctured bag does not leak! Slowly pull the skewers or pencils out of the bag to see what happens!

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