SCIENCE: SIMPLE AND COMPLEX MACHINES
We are studying the different machines at school. Do you know the difference between simple and complex machines? Can you say any examples?
Watch these videos to learn about these types of machines.
SIMPLE MACHINES
WE HAVE SEEN SOME VIDEOS ABOUT SIMPLE MACHINES. LET´S WATCH NOW SOME ABOUT COMPLEX MACHINES!
In this unit we studied that some machines work with batteries and other work with mains electricity.
