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