Simple Machines- February 15th

A simple machine is a device that allows you to do work easier.

Work is: the amount of force that is required to get an object to move.

• Lever

• Wheel and Axel

• Inclined Plane

• Wedge

• Pulley

• Screw

A wedge has at least one sharp edge which either cuts or holds and object together.

A wheel with a rod through its' center.

It is a bar or rod that rests on one point called a fulcrum. These are used to lift things.

A screw is a wedge with an incline plane wrapped around it.

A pulley usually has a rope and a grooved wheel and is used to lift and lower down loads.

This is a ramp used to carry loads from one level to another level.

You will need a pencil and the scavenger hunt sheet by the main whiteboard. You will be looking for simple machines in the classroom.