6.5 Weathering & Erosion Review Chapter 11 from your book
Q 1 What kind of weathering causes the mineral composition of rocks to change? ____________________
A 1 What kind of weathering causes the mineral composition of rocks to change? CHEMICAL WEATHERING
Q 2 2) The 2 most important factors in determining the rate of weathering are ___________________& _________________
A 2 2) The 2 most important factors in determining the rate of weathering are Rock type & Climate
Q 3 3) The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is called ___________________________.
A 3 3) The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is called ABRASION
Q 4 4) Mechanical weathering of rock by means of repeated freezing & thawing that causes rocks to break apart is called ___________________________.
A 4 4) Mechanical weathering of rock by means of repeated freezing & thawing that causes rocks to break apart is called ICE WEDGING
Q 5 5) The growth of plant roots and animal activity may result in ___________________weathering.
A 5 5) The growth of plant roots and animal activity may result in MECHANICAL weathering.
Q 6 6) Plant acids cause what type of weathering? ____________________________
A 6 6) Plant acids cause what type of weathering? CHEMICAL
Q 7 7) The process by which natural forces move weathered rock and soil from one place to another is called a. soil conservation b. deposition. c. abrasion d. erosion. e) Weathering
A 7 7) The process by which natural forces move weathered rock and soil from one place to another is called a. soil conservation b. deposition. c. abrasion d. erosion. e) Weathering
Q8 8) What do you call rock full of tiny, connected air spaces that weathers easily? ______________________
A 8 8) What do you call rock full of tiny, connected air spaces that weathers easily? Permeable
Q 9 9) A rock containing iron becomes soft and crumbly and reddish- brown in color. It probably has been chemically weathered by what process? A) Plant acids B) Acid Rain C) Oxidation D) Carbon Dioxide E) Erosion
A 9 9) A rock containing iron becomes soft and crumbly and reddish- brown in color. It probably has been chemically weathered by what process? A) Plant acids B) Acid Rain C) Oxidation D) Carbon Dioxide E) Erosion
Q 10 10) A marble statue is left exposed to the weather. Within a few years, the details on the statue have begun to weather away. This weathering probably is caused by_____________________ a. Oxidation b. Abrasion c. Plant acids d. carbonic acid in rainwater. e. Lichens
A 10 10) A marble statue is left exposed to the weather. Within a few years, the details on the statue have begun to weather away. This weathering probably is caused by_____________________ a. Oxidation b. Abrasion c. Plant acids d. carbonic acid in rainwater. e. Lichens
Q 11 11) What do you call it when water & wind carry soil away? _________________________
A 11 11) What do you call it when water & wind carry soil away? EROSION
Q 12 12) The mixture of rock particles, minerals, decayed organic material, air, and water is called _____________ A) Sand b) Litter C) Silt D) Soil E) Clay
A 12 12) The mixture of rock particles, minerals, decayed organic material, air, and water is called _____________ A) Sand b) Litter C) Silt D) Soil E) Clay
Q 13 13) The major agent of erosion that shapes Earth's land surface is moving ____________________.
Q 13 13) The major agent of erosion that shapes Earth's land surface is moving ____________________.
A 13 13) The major agent of erosion that shapes Earth's land surface is moving WATER
Q 14 14) A stream or river that runs into another stream or river is called a ________________________
14) A stream or river that runs into another stream or river is called a TRIBUTARY
Q 15 15) A river flowing across a wide flood plain begins to form looplike bends called MEANDERS
A 15 15) A river flowing across a wide flood plain begins to form looplike bends called _Meanders _______________.
Q 16 16) Sediment deposited where a river flows into an ocean or lake is called a(n) ____________________. A) Rill B) Gully C) Delta D) Tributary E) Settlement
A 16 16) Sediment deposited where a river flows into an ocean or lake is called a(n) ____________________. A) Rill B) Gully C) Delta D) Tributary E) Settlement
Q 17 17) Deltas are built up by ____________________ a. leaching 17) Deltas are built up by ____________________ a. leaching b. deposition. c. abrasion. d. erosion. e. Weathering
A 17 17) Deltas are built up by ____________________ a. leaching b. deposition. c. abrasion. d. erosion. e. Weathering
Q 18 18) Through erosion, rivers form ______________, which are wide flat areas covered by water during floods.
A 18 18) Through erosion, rivers form ______________, which are wide flat areas covered by water during floods. FLOOD PLAINS
Q19 19) Mass movement is caused by ______________________. a. plucking & abrasion b. chemical weathering. C. gravity D. erosion & deposition
A 19 19) Mass movement is caused by ______________________. a. plucking & abrasion b. chemical weathering. C. gravity D. erosion & deposition
Q 20 20) Landslides, mudflows, slump, and creep are all examples of ______________________ A) mechanical weathering. B. runoff. C) Soil formation D) Mass movement E) Chemical weathering
A 20 20) Landslides, mudflows, slump, and creep are all examples of ______________________ A) mechanical weathering. B. runoff. C) Soil formation D) Mass movement E) Chemical weathering
Q 21 21) The force that moves sediment in a landslide or mudflow is ____________________. A) Water B. Ice C) Gravity D) Deposition E) Chemical weathering
A21 21) The force that moves sediment in a landslide or mudflow is ____________________. A) Water B. Ice C) Gravity D) Deposition E) Chemical weathering
Q22 22) The main way that the wind erodes the land is by the process of ____________________. A) Oxidation B) Deposition C) Deflation D) ) Acid Rain
A22 22) The main way that the wind erodes the land is by the process of ____________________. A) Oxidation B) Deposition C) Deflation D) ) Acid Rain
Q23 23) In the 1930s, an area in the southern Plains states was named the ____________________ because the topsoil turned to dust
A 23 23) In the 1930s, an area in the southern Plains states was named the _DUST BOWL __ because the topsoil turned to dust
Q24 24) Glaciers can only form when a. there is an ice age. b. there is a U-shaped valley in the mountains. . c more snow falls than melts each year. d. the amount of snow exceeds the amount of rain
24 24) Glaciers can only form when a. there is an ice age. b. there is a U-shaped valley in the mountains. . c more snow falls than melts each year. d. the amount of snow exceeds the amount of rain
Q25 25) ______________________ form where a meander is cut off from the main river. a) horseshoe lakes b. Meandering lakes c. oxbow lakes d. deltas e. settlements
A 25 25) ______________________ form where a meander is cut off from the main river. a) horseshoe lakes b. Meandering lakes c. oxbow lakes d. deltas e. settlements
Q 26-30 Match the following various ages of streams with the correct descriptions. Y. Young Stream M. Mature stream O. Old stream 26) ________very rapid velocity (flows quickly) 27) ________V-shaped valley 28) ________ May have many meanders & Oxbow Lakes 29) _________May have waterfalls and rapids 30) _________Many tributaries
A 26-30 Match the following various ages of streams with the correct descriptions. Y. Young Stream M. Mature stream O. Old stream 26) ___Y_____very rapid velocity (flows quickly) 27) ____Y____V-shaped valley 28) _____O___ May have many meanders & Oxbow Lakes 29) _____Y____May have waterfalls and rapids 30) ____M____Many tributaries
Q 31 31) Draw a picture of a river showing meanders and label them M. Also draw an Oxbow Lake and label it O.
A 31 31) Draw a picture of a river showing meanders and label them M. Also draw an Oxbow Lake and label it O. Meander looks like a snakelike river with many curves (s-bends are the meanders). Oxbow Lake is horse-shoe shaped, forms where a meander cuts off from the main river.