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Math Skills
Multiple Choice
True/False
Earthquake Waves
100
This science test is about ___________.
waves
100
What is the frequency if 300 waves pass a point in one minute?
5 Hz
100
All of the following are types of waves except a. transverse waves b. surface waves c. longitudinal waves d. antinode waves
d. antinode waves
100
Mrs. Plank is opening iLEARN Tutoring Center.
True
100
Waves produced by earthquakes are known as _______.
seismic waves
200
Waves that require a medium to travel through are called ________________ waves.
mechanical
200
What is the formula for speed?
Speed = Wavelength X Frequency
200
The amplitude of a transverse wave is found by measureing the distance a. between 2 crests b. between 2 troughs c. from the rest position to a crest d. from a crest to a trough
c. from the rest position to a crest
200
Hertz is the unit for speed
false- frequency
200
An example of a reflected wave is a/an __________.
echo
300
The basic properties of waves are ______________, wavelength, frequency, and speed.
amplitude
300
What is the formula for Frequency?
Frequency = Speed / Wavelength
300
A longitudinal wave has a large amplitude if a. the compressions are dense b. the troughs are very low c. there are no rarefactions d. the crests are far apart
a. the compressions are dense
300
A wave transfers a MEDIUM from one place to another.
False - ENERGY
300
How can scienctists tell how far away from them an earthquake occurred?
The difference in the time of arrival of the P Waves and S Waves.
400
The highest parts of a wave are called the ________.
crests
400
What is the formula for Wavelength?
Wavelength = Speed / Frequency
400
Speed, Frequency, and wavelength are related by all of the following formulas except a. wavelength X frequency = speed b. frequency = speed / wavelength c. frequency = wavelength / speed d. wavelength = speed / frequency
c. frequency = wavelength / speed
400
A toy boat bobbing up and down on a pond is being moved by LONGITUDINAL waves.
False- SURFACE
400
The bending of waves around the edge of a barrier is known as ___________________.
diffraction
500
In standing waves, ____________ are points with zero amplitude.
nodes
500
If a wave is traveling at 16 m/s and one wavelength is 4 m, what is its frequency? (state nuber and correct unit)
4 Hz.
500
P Waves, S Waves, and surface waves are all types of a. transverse waves b. seismic waves c. longitudinal waves d. standing waves
b. seismic waves
500
The distance from one compression to the next compression is the AMPLITUDE of a longitudinal wave.
False- WAVELENGTH
500
Huge Surface wave on the ocean caused by an underwater earthquake is called a/an ___________.
tsunami