Simple Machine Vocabulary

Word	Kids’ definition	Dictionary definition
lever	A bar that is pulled down do lift something heavy or make a machine work	It is used to move heavy items around
Screw	Eg: A nail with a slot on the top and ridges round the sharp end. You put it in the hole and twist it do fix things together	It is used to fix things like cabinets and other things
Wheel	A circular object that turns on an axle through the middle. Cars,bicycles,and buses have wheels	A machine that uses a wheel and axle to lift things
Pulley	A tool that uses a wheel and a rope to lift heavy things.	A wheel with a rope around it, used for lifting heavy things.
Axle	A rod that goes through the center of wheels.	A rod or spindle either fixed or rotating passing through the centre of a wheel or group of wheels.
Incline	An evergreen oak of the southwestern United States that is often cultivated as a shade tree.	bend the head or body forward,as in nod or bow .
Plane	A surface that makes something do move easier.	A flat or level surface.