WALA: PERISCOPE

WALA: PERISCOPE

L.O: to explore why beams/rays of light changes direction when it is reflected from a surface.

Introduction

Review the previous lesson

What is a periscope?

Where are periscopes used?

Periscopes

A periscope is an instrument that uses mirrors.

It allows you to see over the top of something.

Uses of Periscope

• It is used in submarines to see what is on the surface of the sea.

• People use periscopes to see above the heads of the people infront of them

• Tanks and armoured vehicles use the periscope to inspect the surrounding.

• It is used in a nuclear reactor to observe the chemical reactions that are taking place.

• In military periscopes are used to observe from their hiding position.

How periscopes work.

Watch the video.

https://www.youtube.com/watch/Xp7Qe1R_S6g

Conclusion.

End the lesson by explaining how a periscope works.