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Page 1: Weathering and Soil Formation Rocks and Weathering · Soil Formation Rocks and Weathering ... The grinding away of rock by other rock particles is called ... rock Weathering and Soil

Name ____________________________ Date ____________________ Class ____________W

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Rocks and WeatheringUnderstanding Main IdeasFill in the blanks in the table below.

Answer the following questions on a separate sheet of paper.

10. How does erosion differ from weathering?11. What factors determine the rate of weathering?

Building VocabularyFill in the blank to complete each statement.

12. ________________________ is the movement of rock particles by wind, water, ice, or gravity.

13. ________________________ means that a material has spaces that allow water to seep through it.

14. The process that breaks down rock and other materials at Earth’s surface is called ________________________.

15. The grinding away of rock by other rock particles is called ________________________.

16. The process by which ice widens and deepens cracks in rocks is called ________________________.

Cause Type Description

1. ________________________ MechanicalRock particles wear away rock.

2. ________________________ ChemicalForms from coal, oil, and gas burning

Freezing and thawing 3. ________________________Breaks rock by ice wedging

Carbon dioxide 4. ________________________Forms carbonic acid in water

5. ________________________ ChemicalWeathers marble and limestone

6. ________________________ MechanicalBurrowing in the ground breaks rock.

Plant growth 7. ________________________Roots pry apart cracks in rock.

Living organisms 8. ________________________Produce weak acid that weathers rock

Oxygen 9. ________________________Causes rust on some rock

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