Thing 1 and Thing 2 demonstrate some simple machines. The Cat takes us on a tour of Machine-a-ma-zoo, and demonstrates simple machines, with some help from Thing 1 and Thing 2. They take a look at ...
imple machines help us change the amount of force or the direction of the force needed to move an object. Find out how by learning more about levers. Major Funding by the Laura Moore Cunningham ...
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