Simple Machine

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.

Word	Kids’ definition	Dictionary definition
Fulcrum	Balance a lever on a fulcrum.	The support, or point of rest, on which a lever turns in moving a body.
Slant	Sloping or leaning in a direction that is not flat.	Leaning in a particular direction; diverge or cause to diverge from the vertical or horizontal.
Slope	Slope is like inclined plane it is a flat object on an angle.	A surface of which one end or side is at a higher level than another; a rising or falling surface
Work	The force to do something.	The use of effort or energy to do.
Effort	The energy used to do something.	The force needed by a machine to accomplish work on a load.
Resistance	A force that tries to stop something moving.	A force that tends to oppose or retard motion.

Word	Kids’ definition	Dictionary definition
Increase	Increase means when something gets bigger than it's original size.	To become bigger or greater or to make something bigger or greater.
Decrease	Decrease means that when something that gets smaller.	To become smaller than its original size.
Alter	Alter is something that changes.	To change the sign at the end of the road has been altered.
Multiply	Making something get bigger like the timetables.	Multiply by fabric.
Mechanical	Mechanical is something like fixing cars.	Pertaining to the design use understanding ect tools and machinery.
Thread on a screw	Thread on screw means a hammer is banging a screw into something some it can hold itself up by the screw instead of it falling over.	Pertaining to the design use understanding ect tools and machinery.