To describe echoes and superposition

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To describe echoes and superposition - Exit Quiz

Answer the questions below. When you submit the quiz, you will receive feedback on any incorrect answers.

What is an echo? *

1 point

Diffraction of sound

The bending of sound

Reflection of sound

Amplification of sound due to a smooth surface

What is superposition? *

1 point

When one wave becomes bigger than the wave next to it.

When waves interact to add together or cancel each other out.

When a sound wave changes direction.

When light and sound waves interact.

What is another name for the bottom of the wave? *

1 point

Wavelength

Valley

Trough

Dip

Which of the following is pitch affected by? *

1 point

Size of the vibrations

Volume of the sound

Length of the vibrations

Speed of the vibrations

Based on examples given in the lesson, what other animal most likely uses echolocation? *

1 point

Whale

Penguin

Dog

Human

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