Unit 2 Sound Review

Unit 2 Sound Review

Assessment

Flashcard

Science

8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is frequency?

Back

Frequency is the number of wavelengths that pass a point each second, measured in Hertz (Hz).

2.

FLASHCARD QUESTION

Front

Why do air particles move when a speaker vibrates?

Back

Air particles move because the speaker pushes on the air particles, creating sound waves.

3.

FLASHCARD QUESTION

Front

What type of sound is produced by a loud, high pitch wave?

Back

A loud, high pitch sound is characterized by a high frequency and high amplitude.

4.

FLASHCARD QUESTION

Front

Which wave has a lower frequency: left or right?

Back

The left wave has a lower frequency.

5.

FLASHCARD QUESTION

Front

What determines if a sound is loud or soft?

Back

A sound is loud or soft depending on its amplitude.

6.

FLASHCARD QUESTION

Front

Define wavelength.

Back

Wavelength is the distance between two consecutive points of a wave that are in phase, such as crest to crest or trough to trough.

7.

FLASHCARD QUESTION

Front

What is amplitude in sound waves?

Back

Amplitude is the maximum extent of a vibration or oscillation, measured from the position of equilibrium, and it determines the loudness of the sound.

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