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Make Sprinkles Vibrate with Sound

Active Time
20-30 minutes
Total Project Time
20-30 minutes
Key Concepts
Sound, vibration

Introduction

You might know that sound is caused by vibrations, but did you know that sound can also make things vibrate? You might have noticed this if you have ever been at a concert or in a car with the stereo booming. Sometimes the sounds are so loud that you can feel the vibrations! However, sounds that loud can damage your hearing, so in this project you will investigate them using something safer.

Credits

Ben Finio, PhD, Science Buddies
This activity is not appropriate for use as a science fair project. Good science fair projects have a stronger focus on controlling variables, taking accurate measurements, and analyzing data. To find a science fair project that is just right for you, browse our library of over 1,150 Science Fair Project Ideas or use the Topic Selection Wizard to get a personalized project recommendation.

Materials

  • Cup or bowl
  • Rubber band that fits around the cup or bowl
  • Plastic wrap
  • Colored sprinkles (you can also use salt, but the sprinkles are easier to see)
  • Large plate or tray
    materials for making sprinkles move with sound waves

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Active Time
20-30 minutes
Total Project Time
20-30 minutes
Key Concepts
Sound, vibration