# Acoustics Physics Game Online Quiz

This page features an Acoustics Physics Game Online Quiz. This topic covers the science of sound and waves as seen in physics including the measurements involved. Students will study this concept through a fun game that contains 15 test questions. This game can be accessed freely from school or at home. After getting every question right, you also get to win the game challenge. Click and start learning. 5th, 6th, 7th, 8th and 9th grades.

What is the unit of measurement for sound?

1. Decibel
2. Hertz
3. Cycle
4. Watt

Pitch corresponds to the sensation of a sound’s frequency. It helps us judge if a sound is…

1. Loud or quiet
2. Pleasant or harsh
3. High or low
4. Near or far

Loudness is measured by the __________ of the vibrations emitted by an object.

1. Frequency
2. Amplitude
3. Distance
4. Repetition

Through which of these media can sound travel?

1. Gases
2. Solids
3. Liquids
4. All of the above

Your middle ear contains three small bones known as auditory ossicles that help you hear sound. What are these three bones called?

1. Hammer, anvil, stirrup
2. Hammer, anvil, scallop
4. Hammer, aglet, dollop

What is the vibrating part of a wind instrument, such as a flute or a horn?

1. Tube
2. Mouthpiece
3. Air column
4. Finger holes

Humans are able to detect sounds in frequencies ranging from _____ to ______.

1. 20 Hz, 200 Hz
2. 20 Hz, 2 kHz
3. 20 Hz, 20 kHz
4. 20 Hz, 2 MHz

Ultrasonic sound refers to sound waves above the frequencies of audible sound. Sounds with a frequency over ________ are ultrasonic.

1. 20 Hz
2. 20 MHz
3. 20 kHz
4. 20 GHz

The number of vibrations per second is called…

1. Amplitude
2. Frequency
3. Wavelength
4. Tonality

This refers to the distance between two adjacent crests, or between two adjacent troughs, in a wave.

1. Frequency
2. Amplitude
3. Wave gap
4. Wavelength

What do you call frequencies that are less than 20 Hz?

1. Supersonic
2. Ultrasonic
3. Infrasonic
4. Extrasonic

Sound cannot travel through a…

1. Gas
2. Solid
3. Liquid
4. Vacuum

From fastest to slowest, arrange these substances in order of the speed through which sound travels in them.

1. Solid, gas, liquid
2. Solid, liquid, gas
3. Vacuum, solid, liquid, gas
4. Vacuum, liquid, gas, solid

What is noise in acoustics?

1. Unwanted sound
2. Pleasant sound
3. Creepy sound
4. None of the above

A high-frequency note in a song will have a ________ pitch than a low-frequency note.

1. Louder
2. Quieter
3. Higher
4. Lower