Overview
Students will learn about the history of radio spectrum communication technology. They will investigate and experience Morse Code, explore radio history with a digital scavenger hunt, and investigate materials that can block radio waves.
NGSS Standards
MS-PS4-2 Develop and use a model to describe that waves are reflected, absorbed, or transmitted through various materials.
MS-PS4-5 Communicate technical information about how some technological devices use the principles of wave behavior and wave interactions with matter to transmit and capture information and energy.
Materials
- Two student cell phones per group
- Aluminum foil
- Metal pot with lid
- Felt
- Packing peanuts
- Cardboard
- Tile
- Plastic box
- Foam squares
- Tape
Keywords
- Faraday cage
- Radio frequencies
- Cellphones