Mechanical Waves All Vocab

Frequency of a wave means

• The number of waves per second.

• The wavelength of a wave.
• The amplitude of a wave.
• The speed of a wave in a medium.

Tags

NGSS.HS-PS4-1

The more energy a wave has, the higher its

• wavelength
• amplitude
• speed
• frequency

Tags

NGSS.MS-PS4-1

In a sound wave, higher amplitude means

• A softer sound.
• A higher pitch.
• A longer wavelength.
• A louder sound.

Tags

NGSS.MS-PS4-1

When you hear a sound, lower pitch means

• higher frequency

• higher amplitude

• lower amplitude

• lower frequency

When a wave bounces off of a surface, this is called

• reflection
• absorption
• diffraction
• transmission

Tags

NGSS.MS-PS4-2

When a wave passes all the way through an object or substance, this is called

• transmission
• absorption
• reflection

Tags

NGSS.MS-PS4-2

Absorption of a wave happens when

• the wave's energy is reflected back into the medium.
• the wave's energy is transmitted through the medium without change.
• the wave's energy is scattered in different directions.
• the wave's energy is taken up by the medium.

Tags

NGSS.MS-PS4-2

An example of wave diffraction is

• the absorption of sound in a room with carpet and curtains

• the bending of water waves around a pier
• the reflection of light off a mirror

Tags

NGSS.MS-PS4-2

How often a wave occurs is its _____________________.

• frequency

• size

When a sound wave does not pass through or bounce off of dense foam, this is called

• sound reflection
• sound transmission
• sound diffusion
• sound absorption

Tags

NGSS.MS-PS4-2