Playing with Electricity: Fun Experiments to do at Home
- Physical Science, Science Fun Facts
- April 20, 2012

If you’ve ever taken a mouth full of seawater, you already know that the oceans are very salty. About 70% of our planet is covered by water, and most of that water is contained in the world’s oceans. That’s a lot of salty water! But have you ever wondered how much salt is in the
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