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Inclined planes ramp it up: Simple machines for kids
How does a dump truck dump all the dirt out of its truck bed? It turns that bed into a ramp!
A ramp is another word for an inclined plane, and an inclined plane is one of six simple machines that are designed to make work easier. Lifting, pulling, pushing-all these tasks are more efficient when you use a simple machine. In Inclined Planes Ramp It Up: Simple Machines for Kids, readers ages 5 to 8 learn how inclined planes are sloping surfaces that make it easier to move heavy things from lower ground to higher ground - and vice versa - instead of lifting them.
Scientific concepts including friction and mechanical advantage become clear with engaging illustrations and lots of real-life examples that kids can spot in their home, schools, and neighborhoods.
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