Waterwheels are machines that are powered by flowing water. People have been using them for many years to do work. They can be built to lift, pull, and turn things.
This is a picture of a gristmill or grist mill. It is used to grind grain into flour. It is powered by a water wheel.
Here are some videos that show different waterwheels.
This one shows a small waterwheel that a couple of older kids built.
This is a very short video taken at the Slater Mill Museum in Pawtucket, RI.
Here is a short video of a working waterwheel in Texas.
This waterwheel is used to make sugar cane juice in Peru.
And here's a video of made this Fall.
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