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Name: ____________________________________________ Date: _____________________
Rock Solid Worksheet Answers
1. What are the two ways that stress can be caused in nature?
movement of the earth’s crust
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weathering
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2. What are the three types of stress?
tensional
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compressional
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shear
3. What are the three types of weathering?
physical (such as wind, water, freezing, repeated wetting and drying)
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chemical (such as rust, acid rain)
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biological (such as tree roots, animals, human activity)
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4. Which type of weathering is not a type of stress?
chemical
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5. How does an engineer test the strength of a rock?
Examine it carefully to learn characteristics such as color, texture,
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structure, shininess, hardness, the way it breaks, etc.
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Stress test a sample.
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6. Why do we care how strong a rock is?
For safety.
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Some natural disasters are caused by breaking rocks.
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Structures that are built on or near rocks may be damaged (and
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people hurt) if the rocks move or break as part of a natural disaster
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such as an earthquake, volcano or landslide.
Rock Cycle: Lesson 1, Rock Solid Activity — Worksheet Answers