Ch 17 and 18 Waves

A mechanical waves moves through a medium, which can be

• a liquid
• a solid
• a gas
• all of the above

Tags

NGSS.MS-PS4-2

Transverse and longitudinal waves both 

• have compressions and rarefactions
• transfer energy through a medium
• move at right angles to the vibration of the medium
• are capable of moving the medium a long distance

Tags

NGSS.MS-PS4-1

Which type of mechanical wave needs a source of energy to produce it?

• a transverse wave
• a longitudinal wave
• a surface wave
• all of the above

A disturbance sends ripples across water in a tub. These ripples are an example of a 

• rarefaction
• longitudinal wave
• compression
• surface wave

Tags

NGSS.MS-PS4-1

When a surfer rides an ocean wave on her surfboard, she is actually riding on

• a crest that is toppling over
• a trough of the wave
• the rest position of the wave
• a region of rarefaction

Tags

NGSS.MS-PS4-1

In an earthquake, a P wave is a longitudinal wave. it moves through soil and rock as a

• wavy line
• series of faults
• series of compressions and rarefactions
• series of crests and troughs

Tags

NGSS.MS-PS4-2

The figure shows a wave movement during 1 second. What is the frequency of this wave?

• 2 hertz
• 2 meters/second
• 0.5 second
• 1 hertz

Tags

NGSS.MS-PS4-1

A period is the length of time it takes for 

• a disturbance to start a wave
• two complete wavelengths to pass a fixed point
• a wave to travel the length of a rope
• one complete wavelength to pass a fixed point

Tags

NGSS.HS-PS4-1

A wave has a wavelength of 10 mm and a frequency of 5.0 hertz. What is its speed?

• 50 mm/s
• 50 hertz/s
• 2.0 mm/s
• 0.50 mm/s

To find amplitude, measure

• from a trough to the rest position
• from a crest to the rest position
• neither A nor B
• either A or B

Tags

NGSS.MS-PS4-1