simple+machines

= = __What is a machine?__
 * A machine is something that makes work easy.
 * What is a simple machine?
 * A simple machine is __something that we use without electricity or batteries.__
 * Why are simple machines useful?
 * Simple machines are useful because we need them to do lots of jobs.

__Wheel and axle__ it works by spinning it. - wheel on the car - sticky tape - buses - trolley - gym weights - taxi - bike - tram - wheel barrow - caravan - motor bike - fan - bull dozer

__Pulley__ the pulley works by pulling this rope and the thing you want to pull goes up - gym weights - well - rock climber pulleys - oil derrick - steam shovel - winch - clothesline pulley - flagpole pulley - block and tackle - marine pulley - window blinds - lift

__Lever__ it works by you push the lever down and up and the thing that you put on it goes up and down - see saw - sand digger - fork - stapler - clippers - can opener - two levers make scissors

__Inclined plane__ Inclined plane it works by it helps you to get up things and down - saw - table - water slide - roller coaster - plank - parking ramp - hill with cable car - bath tub - stairs - boat propeller - ladders - dump truck - ramp stairs

__Wedge__ Wedge works like a knife that you can cut things up - knife - scissors - chopping board - floor nail - shark tooth - pins - car tire wedge - old knitting needles -nail - axe

__Screw__ Screw is used to help things stay together - manual drill - brace and bits - meat grinder - drills - machine screws - door lock - wooden handled cork screw - swivel piano stool - submarine hatch - screw lid jar - screw