Soil/Rock Unit Questions
Quiz by Jonathan Skidmore
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13 questions
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- Q1How are weathering and erosion related?Erosion must occur before weathering can take placeWeathering breaks down rocks, erosion moves them.Erosion and weathering both involve the break down of rocks.Erosion breaks down rocks, weathering moves them30s
- Q2What happens between rock B and rock H?CoolingCompaction and cementationHigh heat and pressureCrystallization30s
- Q3What happens between steps D and F?Compaction and cementationWeathering and erosionCooling and crystallizationHigh heat and pressure30s
- Q4The most important agent associated with chemical weathering is ______________.WindThe presence of metalsWaterIce30s
- Q5All of the energy that drives Earth's rock cycle comes from ____.The Sun and the Earth's interiorWindThe breakdown of organic matterThe movement of water over Earth's surface30s
- Q6Which of the following weathering processes involves the constant freezing and thawing of water?UnloadingFrost wedgingspheriodal weatheringExfoliation30s
- Q7When water freezes, its volume....decreasesThere is no relationshipincreasesstays the same30s
- Q8Which of the following is NOT a major component of soil?WaterEarthwormsHumusMinerals30s
- Q9What % of soil is made up of minerals.5%25%45%30s
- Q10A soil's texture is determined by...Mineral compositionA soil's textureAmount of waterType of humus30s
- Q11What is soil is called if it has 20% clay, 60% silt, and 20% sand.Loamy sandClayClay loamSilty loam30s
- Q12What are the proportions of clay, silt and sand shown at point C in figure 5-1?Clay: 10%, Silt: 80%, sand 10%Clay: 30%, Silt: 40%, sand 30%Clay: 20%, Silt: 60%, sand 20%Clay: 10%, Silt: 20%, sand 70%30s
- Q13The rate of soil erosion depends on ____.All of the choicesslope steepnessclimatethe type of vegetation30s
