Lesson 3 is all about how telephones work! Particularly important during this time when a phone is a very useful way of staying in touch with each other! Work your way through the lesson and then complete the task. If you want to why not have a go at making your own string telephone!
History of the telephone If you are still wanting more after this science lesson why not watch this short documentary about Alexander Graham Bell. He invented the telephone!
Top
Cookie information
Cookie Notice
We use cookies to track usage and improve the website.