21st Century Skills InnovatIon LIbrary M a k e rS as Innovators Paper Circuits Cherry Lake PubLishing ann arbor MiChigan by Pamela Williams
MakerS as innovaTors Chapter 1 What Are Circuits W hen you woke up this morning was it dark outside If so you probably switched on a light Maybe you leaned over to turn off your alarm clock or unplug your smartphone from its charger Perhaps someone is listening to the radio or You probably use electric lights every day But do you know how they work 44
We rely on electricity to power the many devices we use every day watching the morning news on TV as you head down to the kitchen for breakfast Once you get there you pop your instant oatmeal into the microwave Within the first few moments of the day your life has been impacted over and over again by electricity Most days we don’t give electricity a second thought That is until the power goes out and we realize how much we miss it The products you buy rely on electrical energy to work If they’re not plugged in or powered by batteries they won’t work Although it seems like magic electricity is really invisible science at work 5 PaPer CirCuits