
Understanding RoR Magnitude and Seismograms
Interactive Video
•
Physics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who developed the RoR scale for measuring earthquake magnitudes?
Isaac Newton
Marie Curie
Charles Francis RoR
Albert Einstein
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the range of values on the RoR scale?
1 to 10
0 to 5
0 to 1
10 to 100
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the first jump on a seismogram represent?
Arrival of the S-wave
Arrival of the P-wave
Start of the earthquake
End of the earthquake
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the second jump on a seismogram indicative of?
Start of the earthquake
Arrival of the P-wave
Arrival of the S-wave
End of the earthquake
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the Baseline in a seismogram?
To compare the height of the waves
To calculate the energy output
To determine the epicenter distance
To measure the duration of the earthquake
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term used for the time difference between the arrival of the P-wave and the S-wave?
Lag time
Wave time
Delay time
Lead time
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the epicenter distance determined using the lag time?
By measuring the height of the S-wave
By using a travel time chart
By observing the Baseline
By calculating the energy output
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