Year 8 Waves

What is the highest point of a wave called?

• Crest

• Trough

• Amplitude

Tags

NGSS.HS-PS4-1

What is the lowest point of a wave called?

• Trough

• Crest

• Wavelength

What is the distance between two crests or troughs called?

• Wavelength

• Frequency

• Amplitude

What is the distance from the centre of a wave to the crest called?

• Amplitude

• Crest

• Wavelength

Tags

NGSS.MS-PS4-1

What sentence best describes the frequency of wave?

• The number of waves that pass a point each second.

• The distance between a crest and trough.

• The number of vibrations a wave makes.

Convert 3000 Hz to kiloHertz (kHz)

• 3 kHz

• 0.3 kHz

• 300 kHz

Convert 2.3 kHz to Hertz (Hz).

• 2300 Hz

• 23000 Hz

• 230 Hz

In a transverse wave, the oscillations are

• perpendicular to the direction in which the waves transfer energy.

• parallel to the direction in which the waves transfer energy.

Tags

NGSS.MS-PS4-1

In a longitudinal wave,

the oscillations are

• parallel to the direction in which the waves transfer energy.

• perpendicular to the direction in which the waves transfer energy.

Tags

NGSS.HS-PS4-1

The greater the frequency of a sound the...

• higher the pitch of the sound

• less loud the sound

• louder the sound

• lower the pitch of the sound