What can we make for our science project on water?

Kay so my friend and I are making a science project on freshwater vs saltwater and the comparrisions and stuff. We need to make a model or something we can use. And we have no ideas! This isn’t like a volcano project where it explodes once and that’s it. This needs to be a project that can last for a few days and can be displayed. Any ideas??

Answer #1

Try a water rocket. Make one with saltwater and one with fresh water. You could also make your own invention powered by water. There are plenty of things that you could do!

Answer #2

you could try a copper wire.copper wire will float on the saltwater and always point to the closest megnetic field.copper wire in freshwater sinks.

Answer #3

get a freshwater fish and salt water fish and switch tanks.. see how long they live.. lol

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