Properties of Sound Waves
Abdelrahman Alaa
This video presentation describes the meaning of sounds, its natures, its types and some real life applications.
Order of opertions
Abdelrahman Alaa
This video is in Maths about rational numbers.
Rational Numbers
Abdelrahman Alaa
This presentation about rational numbers
Types Of Levers
Abdelrahman Alaa Sdik
This presentation is talking about the levers and it's importance, and it's types.
The Light Bulb
Abdelrahman Alaa
This presentation is about the light bub and it's types.