Simple Machines
by Amy Isolde WOUTERS
1. lever
1.1. A lever is like a seesaw.
2. pulley
3. wedge
4. Wheel And Axle
4.1. A wheel and axle is a simple machine that caries heavy objects like people.The wheel is the part that goes round the axle.You need a axle so the wheel stays in place.
5. Screw
6. inclined plane
