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Questions and Answers
What happens to rocks under stress?
What happens to rocks under stress?
- They become heavier
- They shrink in size
- They deform (correct)
- They become transparent
Which type of stress is comparable to pulling on a string from both ends after it has been fully extended?
Which type of stress is comparable to pulling on a string from both ends after it has been fully extended?
- Normal stress
- Shear stress
- Tensional stress (correct)
- Compressional stress
What type of deformation involves the rock changing size or shape but the change is reversible?
What type of deformation involves the rock changing size or shape but the change is reversible?
- Brittle deformation
- Elastic deformation (correct)
- Ductile deformation
- Plastic deformation
In which direction does rock slip under shear stress?
In which direction does rock slip under shear stress?
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How does compressional stress affect rocks?
How does compressional stress affect rocks?
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What does it mean for rocks to experience ductile deformation?
What does it mean for rocks to experience ductile deformation?
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How do ductile materials like copper and ductile rocks respond to stress?
How do ductile materials like copper and ductile rocks respond to stress?
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What is the main difference between ductile and brittle rocks?
What is the main difference between ductile and brittle rocks?
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How does temperature affect the deformation of rock material?
How does temperature affect the deformation of rock material?
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Why does the presence of water affect the brittleness of a rock?
Why does the presence of water affect the brittleness of a rock?
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