Water

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How to Make a Water Wheel

Water wheels harness moving water to rotate and have been used by people for centuries to generate power to do things like saw wood and grind grain into flour. You can demonstrate the power and the mechanics of a water wheel by making your own! With just a few simple items and a little bit(…)

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How to Grow Onions in Water

Growing onions in water is a great way to reuse kitchen scraps, not to mention a fun activity that helps kids learn about vegetables. This method offers a front-row seat to plant growth, as you can watch the roots extend into the water and observe the sprout growing out of the onion top. The assembly(…)