Saturday, 21 February 2015

MACHINES

Machines make our life easier. 

Simple machines have been used since long ago. 


Click on the links to learn more about them.


What is a LEVER?


- What is a PULLEY?


- What is a WEDGE?


What is an INCLINED PLANE?


- What is a SCREW?


- WHEEL and AXLE


You can watch them as many times as you like!!! 


1 comment:

  1. Sara Artigas Bonel25 February 2015 at 18:36

    I like the videos and the the page is very good and interesting.

    ReplyDelete