Why does a light turn on when we plug it into the wall? Electricity practically defines our life from charging our iPhones to washing our clothes, but where does it come from? This module explores the link between electricity and magnetism by answering that question through a series of activities:
Students in small groups will first build a motor using a wire coil, a magnet, and a battery
Students then try to understand the workings of how common generators (like those in hand-cranked flashlights) work. This activity includes a hand-cranked generator attached to a standard “wall socket” that can be used to power low-power devices such as a standard CFL lightbulb.
Next, students then make electromagnets from coiled wire and a battery.
The main theme of the Electricity, Magnetism, and The Wall Socket module is to draw connections between motion, electricity, and magnetism and the activities illustrate how power and energy, critically important parts of our everyday experience, are linked to what they're learning right now.
A description of the materials required for this module is below. The lesson plan used for this module is available below: