WALT use and understand semaphore For this lesson you will need; 4 - PowerPoint PPT Presentation

WALT use and understand semaphore For this lesson you will need; • 4 pieces of paper • A black pen or pencil • A ruler • Pencils or pens to stick the paper to

What is semaphore • Semaphore is a way of communicating using flags. • Holding up the flags in certain ways shows a different letter. This way people can communicate from long distances. • This is an example of a semaphore flag. To make yours, either use red and yellow or make the red side black and the yellow side keep white.

Can you decode this message?

Using the reference sheet, send some messages to a grown up. Can they send one to you to decode?

How might you use semaphore to communicate over longer distances where the communicators cannot see each other? Talk about this question with an adult to see if you can find an answer.