Yr 8 Sound

__________________________ is the back-and-forth motion of an object.

• vibration
• sound wave
• frequency
• amplitude

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

_____________________________ is an area of particles that moves outward in all directions from a vibrating object.

• frequency
• sound wave
• pitch
• intensity

Tags

NGSS.MS-PS4-1

______________________________ is the highness or lowness of a sound as determined by its vibration.

• vibration
• sound wave
• volume
• pitch

__________________________ is the number of times a sound wave vibrates in a given time.

• intensity
• frequency
• vibration
• amplitude

__________________________ is the distance from the top of one wave to the top of the next wave.

• frequency
• pitch
• wavelength
• crest

How are sound and light similar?

• Both are forms of energy.
• Sound and light waves can curve around solid objects.
• Both can be transformed into heat energy.
• Sound and light are made up of vibrations.

When Mr. Sinyard yells his name in a cave, the sound reflects off the walls of the cave and travels back to his ears.  What is this called?

• refraction
• amplitude
• pitch
• echo

Tags

NGSS.MS-PS4-2

A note is played on a guitar.  Next, a lower note is played on the guitar.  Which of these statements describes the lower note?

• Both notes vibrated at the same speed.
• The second note vibrated slower.
• The second note vibrates at a higher frequency.
• The second note vibrated faster.

Which of the following scenarios shows an increase in volume?

• Plucking a rubber band, tightening it, and then plucking the rubber band again
• Plucking different strings on a guitar
• Turning a radio up louder to hear your favorite song
• Singing a song that contains high and low notes

Tags

NGSS.MS-PS4-1

You will see a flash of lightning before you hear the thunder that goes with it because-

• the eye is quicker than the ear
• thunder occurs much later than lightening
• sound travels faster through the  atmosphere than light
• light travels faster through the atmosphere than sound

Tags

NGSS.HS-PS4-3