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ZingPath: Reflection and Refraction

Sound Reflection

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Reflection and Refraction

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Lesson Focus

Sound Reflection

Physics

Learning Made Easy

You get to find out how waves can be reflected or refracted. Perform experiments on refraction in order to demonstrate Snell’s law.

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Now You Know

After completing this tutorial, you will be able to complete the following:

  • Explain how sound waves are transmitted.
  • Explain how sound waves are reflected from surfaces.

Everything You'll Have Covered

How do we hear sounds?

~ Sound occurs as a result of vibration. We hear sounds through the transmission of vibrations through air into our ears.

Explain how projecting our voice into a cone-shaped piece of paper makes our voice sound louder.

~ By making a cone out of a piece of paper and then projecting our voice into it, the vibrations created by the sound of our voice are contained and radiate in a single direction rather than spreading out into the environment.

Why do we hear the sound of the ocean when we listen to a conch shell?

~ A conch shell's shape is similar to that of a cone. However, it is not open at one end. Environmental noise that enters the shell reflects off the shell's walls and exits where it entered. To us, the reflected environmental vibrations sound like the ocean.

Tutorial Details

Approximate Time 2 Minutes
Pre-requisite Concepts Students should have a general understanding of an obstacle, a reflection, and a sound.
Course Physics
Type of Tutorial Animation
Key Vocabulary obstacle, reflection, sound