NGSS.4-PS4-1

Why does cupping your hands around your mouth when you shout make the sound travel further?

• The sound spreads out.
• Your voice gets louder.
• You are screaming.
• The sound energy is directed in one direction.

Tags

NGSS.4-PS4-1

Wave with the longest wavelength

• microwave
• radio
• gamma
• visible light

Tags

NGSS.4-PS4-1

The amplitude of a sound wave is related to the ___________.

• pitch
• volume

Tags

NGSS.4-PS4-1

Visible light is which type of wave?

• seismic

• mechanical

• longitudinal

• electromagnetic

Tags

NGSS.4-PS4-1

Halfway between a crest and a trough

• resting point

• trough

• wavelength

• sound

Tags

NGSS.4-PS4-1

Why would a cymbal stop making noise if you put your hand on it after it is struck?

• it would be broken

• the pitch would be too low to hear

• other instruments would be playing

• it would stop vibrating so the sound would stop

Tags

NGSS.4-PS4-1

True or False

Sound waves hit an area called an ear drum, which allows us to hear.

• True

• False

Tags

NGSS.4-PS4-1

When you hit a tuning fork on a piece of wood, it makes a sound because it is __________________.

• doesn't move

• vibrates

Tags

NGSS.4-PS4-1

The distance from the resting position to the crest of a wave.

• amplitude

• wavelength

• frequency

• pitch

Tags

NGSS.4-PS4-1

What might happen to an object sitting on top of a speaker if loud music is played through the speaker?

• Absolutely nothing would happen to the object.

• The object could move due to the vibrations of the sound.

• The object could appear a different color because the sound is absorbed.

• The object could stop the sound from being transmitted out of the speaker because sound cannot travel through a solid.

Tags

NGSS.4-PS4-1