sound

Hello we are studding sound ! properties of sound sound is a form of energy it is caused by vibrations. sound travels in all different directions when the sound goes farther from the thing that it came from it gets less loud. what is sound ? sound is a pressure wave that is made by Read More…

Light

Hello world in school we are working on light    Natural and artificial Natural light is light that is not made by humans. Some natural light are sun light , fire flies and glow worms. Artificial light is light that is made by humans. Some artificial light is glow stick , light bulb and fireworks. Read More…