Sound, Waves, and Communication

Low pitched sounds have long wave lengths.

• false

• true

Tags

NGSS.MS-PS4-2

Sound waves can travel through...

• through water

• through outer space

• through air

Tags

NGSS.MS-PS4-2

What kind of animal would make a sound with a pitch like this?

• whale

• bird

Tags

NGSS.MS-PS4-1

High pitch sounds have long wavelengths.

• true

• false

What kind of animal sound would create a wavelength like this?

• whale

• bird

Tags

NGSS.MS-PS4-1

A HUGE speaker is blasting sound toward the house. What will most likely happen?

• People will come out of the house and begin to dance.

• There will be an echo.

• The sound waves will cause the window to break.

• Nobody will notice.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The wavelength of a sound tells about its __________ .

• beauty

• crest

• pitch

• amplitude

Sound is __________ .

• a hot dog

• a vibration

• something that is easy to see.

Tags

NGSS.MS-PS4-1

The boy can tell the girl is talking, but he can't hear the words clearly. They decide to use a pattern of sound. What pattern do you think will make a good code?

• short and long taps like morse code

• high pitch and low pitch sounds

• clapping hands and snapping fingers

• whistles and bells

Sound waves are similar to water waves.

• true

• false

Tags

NGSS.MS-PS4-1