3+Process

== =__Process__= 1. Each group should answer all the questions on their own.

**__Lever:__** · How does a lever help people do work? · A lever is made up of a rod or plank and a pivot point called a?   · How does the placement of a lever’s fulcrum affect the force needed to lift a heavy load? · Provide a few examples of a lever?

** __Pulley:__ ** · What are the two types of pulleys? · What is the major difference between the two types of pulleys? · What are the two parts that make up a pulley? · Provide a few examples of a pulley?

** __Wedge:__ ** · What other simple machine is used to create a wedge? · How does a wedge help do work? · What shape is formed to create a wedge? · Why is an ax an example of a wedge?

** __Wheel & Axle:__ ** · How does a wheel help overcome the force of friction? · Does the size of the wheel effect the amount of force needed to move the load? · Describe a time you would use a wheel to make work easier?

** __Screw:__ ** · How is a screw used? · Which other simple machine is used to create a screw?

** __Inclined Plane:__ ** · How does an inclined plane allow you to use less force? · Why is a ramp an example of an inclined plane? · What is the disadvantage of using an inclined plane? · Does an inclined plane have any moving parts? · How does the length of an inclined plane affect the force needed to move an object?

=2. You will create a PPT presentation with group using the evaluation rubric on. the next page of this wiki. = =Have fun researching and Good Luck! =