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Questions and Answers
What is the primary effect of stress on rock?
What is the primary effect of stress on rock?
Which type of stress is characterized by squeezing rock until it folds or breaks?
Which type of stress is characterized by squeezing rock until it folds or breaks?
What distinguishes aa lava from pahoehoe lava?
What distinguishes aa lava from pahoehoe lava?
Where do most volcanoes commonly form?
Where do most volcanoes commonly form?
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Which term describes a massive wave generated by an underwater earthquake?
Which term describes a massive wave generated by an underwater earthquake?
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What occurs at the focus of an earthquake?
What occurs at the focus of an earthquake?
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What is the primary characteristic of a shield volcano?
What is the primary characteristic of a shield volcano?
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Which of the following best defines viscosity?
Which of the following best defines viscosity?
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Study Notes
Earthquakes & Volcanoes
- Stress: A force that acts on a rock to change its shape or volume.
- Tension: Pulling the Earth's crust, getting thinner in the middle.
- Compression: Squeezing rock until it folds or breaks.
- Shearing: Force pushing a mass of rock in two opposite directions.
- Fault: Shaking and trembling from the movement of Earth's crustal plate boundaries.
- Earthquake: Shaking and trembling from the movement of Earth's crustal plate boundaries.
- Energy carried from the earthquake's focus.: Energy carried from the earthquake's focus.
- Magnitude: Measurement of earthquake strength, expressed as a single number based on earthquake size.
- Tsunami: A giant wave caused by an underwater earthquake.
- Viscosity: How thick a liquid is, and how easily it pours
- Aa Lava: Slow-moving, cooler lava. Dries rough.
- Pahoehoe Lava: Fast-moving, hotter lava. Dries smooth or ropey.
- Pyroclastic Flow: Hot, dense mixture of ash, gas, and rock fragments that come out of a volcano.
- Magma: Molten material in the Earth.
- Lava: Molten material on the Earth's surface.
- Volcano: A weak spot in the crust where molten magma comes to the surface.
- Hot Spot: An area where lava frequently erupts at the surface, independent of plate boundary processes.
- Focus: Point in the crust where the earthquake begins.
- Epicenter: Point on the Earth's surface directly above the focus.
Types of Volcanoes (and Eruptions)
- Shield Volcano: Quiet eruptions, Aa and Pahoehoe lava.
- Cinder Cone Volcano: Quiet eruption, AA lava.
- Composite Volcano: Explosive eruption, AA lava.
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Description
Test your knowledge on the concepts of earthquakes and volcanoes in this engaging quiz. Explore terms such as stress, tension, and various types of lava, along with the phenomena associated with seismic activities. Perfect for students wanting to deepen their understanding of geological processes.
