sound wave gr 7 2025

Which of the following gives the correct order of speed of sound from slowest to fastest in the given material?

• air, steel, water

• steel, water, air

• water, air, steel

• air, water, steel

Tags

NGSS.MS-PS4-2

Which of the following is NOT capable of transporting sound?

• AIR

• ICE

• WATER

• VACUUM

Which of the following describes sound wave?

• OCEANIC WAVE

• STANDING WAVE

• TRANSVERSE WAVE

• LONGITUDINAL WAVE

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

In what material does sound travel the fastest?

• SOLID

• LIQUID

• GAS

• ALL OF THEABOVE

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

If you want to change the pitch of a sound, you have to change the ___

• frequency
• amplitude
• speed
• volume

This is the unit used to measure the volume of a sound. 

• Decibel
• Medium
• Vibration
• Oscilloscope

This is what you get when sound waves are reflected, or bounce back, off of a hard surface.

• Amplitude
• Pitch
• Volume
• Echo

Tags

NGSS.MS-PS4-2

The speed of a sound wave depends on

• the frequency
• the medium
• both air temperature and medium
• the air temperature

What is a pitch?

• highness or lowness of a sound
• the intensity of a vibration
• the amplitude of the sound wave
• volume of sound

A disturbance that travels through a medium as a longitudinal wave

• sound
• wavelength
• pitch
• frequency

Tags

NGSS.MS-PS4-1