What are the factors affecting the brightness of bulbs?
In this article, I will be sharing about the electrical system and the factors that affects the brightness of a light bulb. Recently, a P5 student asked our teacher for…
Are all metals magnetic? Is copper magnetic?
Properties of Magnets In this article, we will be sharing about the properties of magnets and how to determine whether a metal is magnetic or not. Recently, a P4 student asked…