Did you know that sound travels all around you in waves? This is true – sound waves travel throughout the atmosphere, allowing us to use it in many different ways. For instance, communicating with…
Microwaves, radio waves, infrared waves, gamma rays and x-rays. Do you know what they all have in common? They are all examples of electromagnetic waves (EM waves). In this article, we’ll be tackling the…
Waves exist everywhere around us, but how can we describe them in a way that enhances our understanding of them? Let’s start by explaining what wave motion is. Wave motion Wave motion is defined…
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…
