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8 terms

Motion and Design Vocabulary #2

STUDY
PLAY
Simple Machine
a tool that makes work easier: it has few or no moving parts
Screw
an incline plane that is wrapped around a pole: holds things together and can be used to lift materials
Wheel and axle
a simple machine made up of a wheel with a rod (axle) through its center that lifts or moves loads
Slope
a slanted surface
Lever
a simple machine made up of a stiff bar that rests on a middle support
Pulley
a simple machine that uses grooved wheels and rope to raise, lower, or move a load
Wedge
a simple machine that has at least one slanted side that ends in a sharp edge
Design
to imagine and create the best way to solve a problem