SIMPLE MACHINES - Tools that make difficult tasks easier by changing the direction of the force or the amount of force needed to do something., INCLINED PLANE - A simple machine that has a gently sloped surface so it can be used to move objects upwards with less force. Ramps are examples., SCREW - An inclined plane wrapped around a center rod. An example is a spiral staircase., WEDGE - A simple machine that gets thinner at one end that is used to split material such as wood. A knife is an example., LEVER - A plank that rests on something underneath and moves up and down. A seesaw is an example.., PULLEY - A wheel and rope that can change the direction of a force. A flagpole has this to raise the flag., WHEEL AND AXLE - A simple machine used to move objects across a distance using a round part (wheel) and a long part (axle). Cars have these..,

Simple Machines

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