Light and Sound Waves · Physical Science

Communicating with Light and Sound

Designing devices that use light or sound to send messages across a distance.

Key Questions

  1. 1How can we send a secret message across the playground without talking?
  2. 2How do people use light to stay safe on the road?
  3. 3What would happen if we tried to communicate using only shadows?

Common Core State Standards

1-PS4-4
Grade: 1st Grade
Subject: Science
Unit: Light and Sound Waves
Period: Physical Science

Suggested Methodologies

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