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Making Machines with Ramps and Wedges (Simple Machine Projects)
Making Machines with Ramps and Wedges - Simple Machine Projects Author:Chris Oxlade A hands-on approach introduces young scientists to ramps and wedges. Science theory and practical, fun projects teach the physics and the technology behind this simple machine. Important science curriculum is explained through historical and contemporary examples of ramps and wedges. Step-by-step projects range from the simple to the more challe... more »nging.« less