Little Lab Coats
Cup-String Sound Sender Reference Card
Grade 1
Sound starts with vibrations, and vibrations can carry information from one place to another.
Unit sample
1-PS4 ยท Sound & Light
Free Little Lab Coats sample for teaching the big idea at home.
Key vocabulary
soundvibrationcommunicatemessagestringevidence
What to notice
- Sound is made by vibrations.
- Vibrations can move through materials.
- Sound can communicate a message.
Materials snapshot
- 2 paper cups
- String or yarn
- Paper clip or tape
- Pencil for adult hole-starting
- Partner
- Worksheet
Talk-about prompts
- What vibrated?
- How did the message travel?
- What changed when the string was loose?
Why it matters
A strong answer says the tight string carried vibrations better and helped the partner hear the message.
Family bridge: This card helps parents coach the evidence sentence with quick, concrete language at home.