Communication with Light & Sound
Design and build a device that uses light or sound to solve the problem of communicating over a distance
Share and support
Teaching Table
Set out your lesson
“Could your child design a simple device — like a string telephone or a mirror signalling system — to send a message to someone far away?”
Full guide and materials
- Activity. Design and build a device that uses light or sound to solve the problem of communicating over a distance
What to notice. Design a device that uses light or sound to communicate over a distance (e.g. string telephone, torch signals) • Build and test the device, identifying what works and what could be improved • Explain how the device uses properties of light or sound to transmit information
Compare teaching approaches
Teaching approaches
Gakuva’s recommended starting approach is selected. You can still compare every option.
1 approach
Could your child design a simple device — like a string telephone or a mirror signalling system — to send a message to someone far away?
Design and build a device that uses light or sound to solve the problem of communicating over a distance
Family records and proof options
Keep a record of your learning
Save photos, notes, and attendance. Export a proof packet for compliance or portfolio reviews.
Learning resources
External links for extra practice. They do not replace Gakuva’s teaching approach.
No additional resources are listed for this topic.
The teaching approach appears above.
Check understanding
- Design a device that uses light or sound to communicate over a distance (e.g. string telephone, torch signals)
- Build and test the device, identifying what works and what could be improved
- Explain how the device uses properties of light or sound to transmit information
“Could your child design a simple device — like a string telephone or a mirror signalling system — to send a message to someone far away?”
Curriculum record
- Type
- Procedural
- Subject
- Science
- Domain
- Waves, Light & Sound
- Age range
- Ages 6–7
Standards