Simple+machines

This is a movie of my very own simple machine

media type="custom" key="4823289"

1. What each machine is and how it works. A pulley is some thing that is like a lift and works with a rope to pull it up. Why it is useful ? lifts wells draw the curtains and lots more.
 * // __A pulley__

__Wheel and a axle__ A wheel and a axle - it works with a wheel and an axle in between the wheels and then it rolls. Why it is useful ? cars buses trams bikes scooters trains

Inclined plane An Inclined plane is some thing like a slide - it makes things go down in a diagonal line. Why is it useful ? slides plank table stairs water slide car ramp

__Wedge__ A wedge works with some thing sharp and is used to cut things. Why is it useful ? axe nail knife scissors

__Screw__ A screw works with some nails in the top of it and then you screw it to keep things together. Why is it useful ? chair table to hold things in its place

__Lever__ A lever is like a seesaw and it goes up and down balancing on a fulcrum. Why is it useful ? spoon sand digger scissors //**



Please use proper sentences and grammar on your wiki. 