ECHO ARENA · ECHOLING
Vibrations Make Sound
Soundcheck Stage
Learn with Echoling, then use your clues in the adventure. Pause whenever you need time to read or think.
Speech bubbles tell the story. Music and sound effects are optional; use the player’s volume control.
Your Soundcheck Stage adventure
Train more: lesson transcript and free resources
Echoling — Vibrations Make Sound Soundcheck Stage
Hi!
I'm Echoling.
Welcome to Soundcheck Stage!
Will you help me investigate vibrations make sound?
The Grumblies have mixed up our clues.
Let's check the evidence!
Sound is produced by vibrations.
A vibrating object moves back and forth
and can set surrounding material vibrating.
What produces sound?
- A. Vibrations
- B. A motionless label
- C. Light without movement
The answer is A: Vibrations
Sound is produced by vibrations.
A vibrating object moves back and forth
and can set surrounding material vibrating.
That clue helps us make sense of this place.
Evidence may be visible or felt as well as heard.
A speaker surface or plucked string can show movement related to sound.
What does vibrating mean?
- A. Only traveling in one direction forever
- B. Staying perfectly still
- C. Moving back and forth
The answer is C: Moving back and forth
Sound is produced by vibrations.
A vibrating object moves back and forth
and can set surrounding material vibrating.
Hmm...
how does that connect to our first clue?
Our supplied record shows a string vibrating while a sound is detected
and the sound stopping as the vibration settles.
The task can be completed with text observations, without playing audio.
Which evidence links the string to sound?
- A. The string's name
- B. Sound accompanies its vibration
- C. The string has a bright color
The answer is B: Sound accompanies its vibration
Evidence may be visible or felt as well as heard.
A speaker surface or plucked string can show movement related to sound.
Nice investigating!
You've been following the evidence.
Let's bring our clues together before the adventure.
Sound is produced by vibrations.
Evidence may be visible or felt as well as heard.
Our supplied record shows a string vibrating while a sound is detected
and the sound stopping as the vibration settles.
You're ready to explore Soundcheck Stage with me!
Choose TRAIN MORE if you'd like another look at the clues.
Choose START ADVENTURE when you're ready.
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