Simple Machines 3rd Grade

Front

Makes work easier, one or no moving parts

Back

Simple machine

Front

Grooved wheel with rope or belt

Back

Pulley

Front

Used to hold things together

Back

Screw

Front

Simple machine with 2 parts producing rotational motion

Back

Wheel and axle

Front

Flat surface, higher at one end

Back

Inclined plane

Front

Flat bar on a fulcrum

Back

Lever

Front

Object with sharp edge, spreads or cuts

Back

Wedge

Front

Example of using a simple machine

Back

Mother pushes stroller up a ramp

Front

Characteristic of a simple machine

Back

Few or no moving parts

Front

Flagpole mechanism

Back

Pulley