Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What causes earthquakes to occur at fault lines?
What causes earthquakes to occur at fault lines?
- The rotation of the Earth's crust
- The movement of plates meeting at fault lines (correct)
- The collision of asteroids
- The pressure applied to the Earth's surface
How are earthquakes measured?
How are earthquakes measured?
- Using a seismograph that records ground-shaking activity (correct)
- Using a telescope to observe underground movements
- Using a thermometer to measure temperature changes
- Using radar to detect seismic waves
What is the purpose of a seismometer?
What is the purpose of a seismometer?
- To detect changes in atmospheric pressure
- To measure the speed of seismic waves
- To study the rotation of the Earth's core
- To measure ground-shaking activity caused by earthquakes (correct)
Why is seismic activity important for scientists?
Why is seismic activity important for scientists?
Signup and view all the answers
How are earthquakes caused by the movement of plates?
How are earthquakes caused by the movement of plates?
Signup and view all the answers
What is the main purpose of a seismometer?
What is the main purpose of a seismometer?
Signup and view all the answers
Which type of seismic waves travel through the Earth's interior and not along its surface?
Which type of seismic waves travel through the Earth's interior and not along its surface?
Signup and view all the answers
What is the major characteristic of S-waves (secondary waves)?
What is the major characteristic of S-waves (secondary waves)?
Signup and view all the answers
What is the primary purpose of the Richter Scale?
What is the primary purpose of the Richter Scale?
Signup and view all the answers
What makes the moment magnitude scale (MMO) a preferred way to measure earthquakes over the Richter scale?
What makes the moment magnitude scale (MMO) a preferred way to measure earthquakes over the Richter scale?
Signup and view all the answers
