Lesson 14 – Experiment: Loudness

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Read The Experiment to Learn About Loudness


Sounds can be soft or loud. A sound will be louder when you are closer to the source. Sound will be softer when you are farther away. The loudness of a sound also depends on the size of the vibration. Large vibrations make loud sounds. Smaller vibrations make softer sounds. Try this experiment.

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Complete some questions about the reading selection by clicking “Begin Questions” below.