Definition: In the International System of Units, the derived unit of power; the power of a system in which one joule of energy is transferred per second. Symbol: W
Alright class, settle down and let’s take a look! You’ve stumbled upon a tricky little word today – “watt.” It can seem a bit confusing at first, but don’t you worry, we’ll make it clear, I promise you. The dictionary gives us the facts, nice and neat: "A derived unit of power...one joule per second." Let's break that down with a little rhyme, if you please! Think about energy – like a battery bright, Giving out power with all of its might. A watt is how we measure that flow, A tiny bit of power, watch it grow! Now, "joule" is a unit of energy, you see, Like when you push something with glee. One joule in a second – that's the key, To understanding what a watt can be! So, watt (W) is simply how much power we have, Measuring the rate, if you want to be brave! It tells us how quickly energy’s being sent, A fundamental unit, perfectly spent. Do you have any questions about this? Don't hesitate to ask – let’s make sure everyone understands!