Advertisements
Advertisements
Fill in the blank:
___________ are the first earthquake waves to be recorded on a seismograph of an earthquake.
Concept: undefined >> undefined
Fill in the blank:
The last of the earthquake waves to arrive on the surface of the earth are ___________ waves.
Concept: undefined >> undefined
Advertisements
Fill in the blank:
The giant sea waves caused by earthquakes in the oceans are called ___________.
Concept: undefined >> undefined
Fill in the blank:
About 70 percent of the earthquakes occur in the _________________ Belt.
Concept: undefined >> undefined
What is called an earthquake?
Concept: undefined >> undefined
State two natural causes of an earthquake.
Concept: undefined >> undefined
Name two man-made causes of an earthquake.
Concept: undefined >> undefined
What are known as seismic focus and epicenter with respect to an earthquake?
Concept: undefined >> undefined
What is known as the Richter scale?
Concept: undefined >> undefined
How are earthquakes useful?
Concept: undefined >> undefined
Match the Columns.
| Column A | Column B |
| 1. Tsunami | (a) The waves that make the inhabitants feel the ground motion. |
| 2. Seismograph | (b) The instrument for measuring the intensity of earthquakes. |
| 3. S-waves | (c) Harbour waves generated by oceanic earthquakes. |
| 4. Richter scale | (d) The point on the earth surface directly above the seismic focus. |
| 5. Epicentre | (e) An instrument for recording the movement of earthquake waves. |
Concept: undefined >> undefined
Describe how earthquakes are caused on the surface of the earth.
Concept: undefined >> undefined
Explain the three types of earthquake waves.
Concept: undefined >> undefined
What is the difference between seismic focus and epicenter?
Concept: undefined >> undefined
Is it possible to predict an earthquake? Give reasons to support your answer.
Concept: undefined >> undefined
How are earthquakes distributed over the globe?
Concept: undefined >> undefined
How is the intensity of an earthquake measured?
Concept: undefined >> undefined
What is an Earthquake?
Concept: undefined >> undefined
How an earthquake is caused?
Concept: undefined >> undefined
Describe the world’s distribution of earthquakes.
Concept: undefined >> undefined
