How salty is the sea? Try this easy science experiment at home!

Find out how salty the sea is at your local beach with this simple science experiment you can do at home. Nanogirl marine biologist Kate has three glasses of water - tap water, sea water, and extra salty water. Which type of water do you think will float the egg?
#scienceforkids #experimentsforkids
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MORE easy science experiments for children:
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