Earthquake Science Worksheet - Grade 9
Explore the science of earthquakes, including causes, types of waves, measurement, and effects, with this comprehensive Grade 9 worksheet.
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Standards
Topics
Earthquake Science
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. For multiple-choice questions, circle the correct option. For fill-in-the-blank questions, write your answer on the line provided. For short answer questions, use the space provided.
1. What is the primary cause of most earthquakes?
Volcanic eruptions
Movement of tectonic plates
Changes in atmospheric pressure
Ocean currents
2. Which type of seismic wave causes the most damage during an earthquake?
P-waves (Primary waves)
S-waves (Secondary waves)
Love waves
Surface waves
3. The point on the Earth's surface directly above the focus of an earthquake is called the .
4. The instrument used to detect and record seismic waves is a .
5. The magnitude of an earthquake is measured using the scale.
6. Briefly explain the difference between the epicenter and the hypocenter (or focus) of an earthquake.
7. Describe two common hazards associated with earthquakes, other than ground shaking.
8. Tsunamis are often generated by underwater earthquakes.
True
False
9. All earthquakes occur at plate boundaries.
True
False
10. Refer to the diagram below to answer the following questions:
a) Label the 'Epicenter' and 'Focus' on the diagram.
b) What geological feature is represented by the line where the two blocks of rock meet?