Earthquakes and Volcanoes Worksheet
Explore the dynamic forces of Earth with this Grade 9 science worksheet on earthquakes and volcanoes, covering their causes, types, and impacts.
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Standards
Earthquakes and Volcanoes
Name:
Date:
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Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.
1. What is the primary cause of earthquakes?
Volcanic eruptions
Movement of tectonic plates
Ocean currents
Weather patterns
2. Which type of volcano is characterized by broad, gently sloping sides and effusive eruptions?
Stratovolcano
Cinder cone volcano
Shield volcano
Caldera
3. The point on the Earth's surface directly above the focus of an earthquake is called the .
4. Molten rock beneath the Earth's surface is known as , while above the surface it is called .
5. The Richter scale measures the intensity of a volcanic eruption.
True
False
6. The Ring of Fire is an area in the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur.
True
False
7. Explain the difference between magma and lava.
8. Describe the process of subduction and its role in earthquake and volcano formation.
Match each term on the left with its definition on the right.
9. Epicenter
a. A fracture in the Earth's crust where movement occurs
10. Fault
b. The point on the Earth's surface directly above the focus of an earthquake
11. Tsunami
c. A giant ocean wave caused by an underwater earthquake or volcanic eruption
12. Seismograph
d. An instrument used to detect and record seismic waves
13. Label the different parts of the volcano shown in the diagram below.
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