leak proof bag experiment|Leak Proof Bag Science Experiment for Kids,ona hledá jeho vážné seznámení

Who would have ever thought that a plastic bag, some water, and a few pencils would have adults screaming with fear? learn how to poke holes in a plastic bag filled with water without spilling a drop.

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 as your punctured bag does not leak! Slowly pull the skewers or pencils out of the bag to see what happens!

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.

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