Wave Properties
Doppla! Doppla!
Can You Hear Me Now?
Seismic City
Mechanical Waves
100

This is the highest point of a wave...

What is the crest?

100

An increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move toward (or away from) each other...

What is the Doppler effect?

100

The range of (normal) human hearing...

What is 20Hz-20,000Hz?

100

What we call an "earthquake wave"...

What is a seismic wave?

100

Mechanical waves MUST have a medium to travel through...

What is True?

200

This is the lowest point of a wave... 

What is the trough?

200

How the pitch changes as you move AWAY from a siren...

What is the pitch LOWERS?

200

The name for sounds BELOW 20Hz...

What is Infrasound?

200

The fastest type of seismic wave...

What are P-Waves (Primary)?

200

The direction in which a longitudinal wave travels...

What is parallel (back and forth)?

300

This is the distance from "rest" (Line of Origin) to crest...

What is Amplitude?
300

How the pitch changes as you move TOWARDS a siren...

What is the pitch gets higher?

300

The name for sounds ABOVE the human hearing threshold...

What is Ultrasound?

300

The slowest type of waves...

What are S-Waves (Secondary)?

300

The type of mechanical wave that sound is...

What is longitudinal?

400

This is the measured distance from either crest to crest or trough to trough...

What is wavelength?

400
This happens to the sound wave as you move AWAY from the sound source during the Doppler effect...

What is, the sound wave gets longer?

400

What animals can hear BELOW 20Hz?

Elephants, (answers may vary)

400

The type(s) of medium(s) P-Waves can travel through...

What are solid, liquid, or gas?

400

The type of direction that a transverse wave moves...

What is perpendicular (up and down)?

500

This is the imaginary line that runs through the center of a wave...

What is the Line of Origin?

500

Give one example of the doppler effect other than an ambulance or police siren...

(Answers may vary)
500

Higher pitch frequencies have higher frequencies...

What is True?

500

The type of seismic wave that is transverse in movement...

What are S-waves?
500

The type of interference that occurs when two waves combine to form a larger wave...

Constructive