Definition: An electromagnetic wave with wavelength between that of infrared light and radio waves.

Alright class, settle down now, let’s take a look, At this word “microwave,” a scientific nook! The dictionary gives you the facts, it’s true, “Electromagnetic waves” – what does that mean to you? Now think of light, like sunshine bright and bold, Infrared is warm, a story to be told. Then radio waves, for music and for calls, A spectrum wide, answering nature's thralls! A microwave sits between those two you see, A wavelength in-between, for all of us to agree. It’s a kind of energy, invisible and fast, That heats things up quickly – built to truly last! Think of your food, inside the oven bright, The microwave waves work with all their might! Does that make sense? Any questions you may pose? Let's explore this science, as everyone knows!