5 different topics. By Adarsh kishor Singh.

 Hello everyone today we are going to learn about 3 different topics so let's start.

power of water

Have you ever seen a dam do think about how does it make electricity? It makes electricity by the waves of the sea so if you got a message that there is a tsunami don't worry it will produce a lot of electricity the dam has many fans whenever waves come it moves the fan so the fan has a instrument which makes electricity after turning.

colour code

Have you ever seen a red light what will feel if you see it I think that will say that to stop because there a waring light  what if the red light was changed to green will any one stop no because every one refers green as go and safety. Colour code is a something that if you will see it you refer it as you know it.

A push and a pull

 push and a pull. push and pull are forces. To understand does it work, I think that you have swang on a swing to swing we have you straighten our legs that's the push and when you pull your legs back that's a pull and if you will do it many times the swing will start to swing this is what is a push and a pull.