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ZingPath: Reflection and Refraction

The Formation of Echoes

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Reflection and Refraction

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Lesson Focus

The Formation of Echoes


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:

  • Define an echo and how it is formed.

Everything You'll Have Covered

What happens to sound waves in a room?

~ Sound waves spread out into a room. Some of those waves are absorbed by the walls and some are reflected back into the room.

What is an echo and how is it formed?

~ An echo is a reflection of sound. When a sound is made in front of a high obstacle, it travels a certain distance, reflects from the obstacle, and returns. We perceive this reflection as a second sound a few moments later.

Tutorial Details

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