Everything you see must reflect light in order to be visible. The bottom line? Without light, there won’t be sight. How can our eyes see things, then? Well, it’s mostly because light from an…

Have you ever wondered why you feel cold the moment you step out of the pool? Or, why all the liquid “disappears” when you leave it on the heated stove for too long? Then…

As we navigate our day-to-day lives, we all get a feel for what temperature is. In fact, we even use common adjectives to describe temperature, such as hot, warm and cold. As such, we…

Have you ever wondered why you can feel the heat of a hot drink through the cup, or why your ice cream melts outside of the freezer? These are situations that we tend to…

Gravitational fields The famous physicist Isaac Newton discovered that all objects with mass attract one another. We now know that this is due to gravitational forces. These forces are always attractive, meaning that they…

Everything in the universe is made of tiny particles, which include atoms, molecules, and ions. Depending on the arrangement and movement of the particles within a substance, we classify them as one of three…

Kinetic Model of Matter Take a moment to feel the mouse or phone in your hand right now. It may not feel like it is moving, but the molecules inside of it are constantly…

Circular motion is everywhere around us, from the spinning of the wheels on your bicycle to the fans in your living room. Studying the way that objects undergo motion in a circle thus has…

Energy The energy of a system is defined as its ability to do work. The “work” here refers to the precise definition of “work done” in physics, which is the product of the amount…