
Weathering
Quiz by Albert Silang Jr
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10 questions
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- Q1It is the physical breakdown of rocks into sediments or smaller chunks without changing its composition.Mechanical weatheringRock slideChemical weatheringWeathering30s
- Q2It is the peeling away of rocks into sheetsFrost WedgingThermal ExpansionRoot WedgingExfoliation30s
- Q3It is the disintegration of rocks by chemical reactionsHydrationChemical weatheringPhysical weatheringMechanical weathering30s
- Q4A crack in a rock can fill with water which then freezes as the temperature drops. As the ice expands, it pushes the crack apart, making it larger. This repeated process of freezing and thawing causes crack to become larger until the rock splits.Frost WedgingBiological ActivityThermal ExpansionExfoliation30s
- Q5This is an example of what type of physical/mechanical weathering?Frost wedgingSalt wedgingRoot wedgingThermal expansion30s
- Q6Temperature fluctuations affect rocks. The tendency of minerals to expand and contract based on temperature. Rocks contain various minerals, and these minerals expand and contract at different rates when exposed to rapid temperature fluctuations such as day-night cycles. This causes stress and small cracks within the rocks and the gradual breakdown of the rock.Salt wedgingRoot wedgingDissolutionThermal expansion30s
- Q7It is the change in the composition of minerals when they react with water.DissolutioHydrolysisHydrationSaltation30s
- Q8This is an example of what type of chemical weathering?OxylationOxidationOxidesDissolution30s
- Q9It is the process by which the rocks are dissolved by water.OxidationHydrationDissolutionFrost wedging30s
- Q10It is the absorption of water into the mineral structureDissolutionOxidationHydrolysisHydration30s