Simple Machines By: Ms. Nowak

1. Simple MachinesBy: Ms. Nowak

2. A simple machine is often used to make work easier. • Machines with few or no moving parts are called simple machines. • Force X Distance = Work

3. Here are some examples of simple machines. • Levers • Wheel and Axle • Pulley • Incline Plane • Wedge

4. We use simple machines everyday. • We use simple machines in our home and in the classroom • Do you know where else we use simple machines?

5. We use simple machines on the playground! • A lever is an example of a simple machine. A lever makes moving a load easier. It lets you change the direction of force. It may change the amount of force needed to move something

6. A wheel and axle is another kind of simple machine and makes work easier. This simple machine has a wheel and turns on a post. The post is an axle. What has a wheel and axle?

7. A pulley is a simple machine. A pulley uses a wheel and a rope to lift a load. An incline plane is a flat surface that is raised at one end. A wedge is a simple machine. A wedge is made of two inclined planes placed back to back.

8. Let’s Review Simple machines make our lives easier. We use simple machines in our homes. We use simple machines in our classroom. We use simple machines on the playground. Where else do we use simple machines?

9. Simple Machines Include:

10. The End