Simple and complex machines

Today we are going to remember the differences between SIMPLE AND COMPLEX MACHINES:

We use machines every day at home or in the classrooms. Machines make work easier and they can help us move objects. Machines can help us lift, push and pull things

Simple machines have one or two parts: a wheel and axle, a lever, a pulley, a wedge, a screw and an inclined plane are simple machines. Here you see the picture of all of them👇: 

Simple machines can work together to make more comple machines. Complex machines have more than two parts. They do things that people can't:

a computer👆

a car 👆

and a washing machine  👆are complex machines. 

Now, do this interactive worksheet. 

Click on the picture 👇: