Earthquakes and Volcanoes
Geography ⇒ Physical Geography
Earthquakes and Volcanoes starts at 7 and continues till grade 12.
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Describe the process of subduction and its role in causing earthquakes and volcanoes.
Describe the role of human activities in causing earthquakes.
Describe two safety measures to be taken during an earthquake.
Explain how a tsunami is generated by an earthquake.
Explain the difference between a fissure eruption and a central eruption in volcanoes.
Explain the difference between active, dormant, and extinct volcanoes.
Explain the difference between the Richter scale and the Mercalli scale.
Explain why earthquakes are more frequent along plate boundaries.
Which instrument is used to measure the intensity of an earthquake? (1) Barometer (2) Seismograph (3) Thermometer (4) Anemometer
Which of the following Indian cities is located in a high seismic zone? (1) Chennai (2) Kolkata (3) Guwahati (4) Mumbai
Which of the following is a benefit of volcanic eruptions? (1) Destruction of property (2) Formation of fertile soil (3) Air pollution (4) Loss of life
Which of the following is a constructive effect of earthquakes? (1) Destruction of buildings (2) Formation of new landforms (3) Loss of life (4) Tsunami
Fill in the blank: The _______ is a fracture in the Earth's crust along which movement has occurred, causing earthquakes.
Fill in the blank: The _______ is the boundary where two tectonic plates move away from each other, often causing volcanic activity.
Fill in the blank: The _______ is the opening at the top of a volcano through which lava erupts.
Fill in the blank: The _______ is the outermost layer of the Earth where earthquakes and volcanoes commonly occur.
True or False: Earthquakes can only occur at plate boundaries.
True or False: Lava is called magma when it is inside the Earth.
True or False: The Deccan Traps in India were formed by volcanic activity.
True or False: The epicentre is the point on the Earth's surface directly above the focus of an earthquake.
