Dynamic Earth Part II Question Preview (ID: 46789)
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Ice and plants roots help to break down rocks. How?
a) The ice covers the rock and the plant shines it
b) The ice and roots will expand within the cracks of the rocks causing them to break apart
c) They knock the rocks off of ledges
d) They put chemicals on the rocks.
How does water freezing and thawing cause weathering?
a) Water expands as it freezes, breaking the rock up
b) Water has chemicals that cause weathering
c) Ice changes the water into chemicals.
d) Water does not cause weathering in any manner
What type of boundary mainly causes Earthquakes?
a) Convergent
b) Divergent
c) Transform
d) None of the above
What type of boundary can cause seafloor spreading?
a) Convergent
b) Divergent
c) Transform
d) None of the above
Tall towering mountains can be formed by what type of boundary?
a) Convergent
b) Divergent
c) Transform
d) None of the above
Volcanoes can likely form at ___
a) Convergent oceanic-continental boundaries
b) transform boundaries
c) divergent boundaries
d) None of the above
What happens when sediment is carried away by water, wind or other methods of transportation and then slows down or stops moving completely?
a) Sedimentation
b) Deposition
c) It is formed into rocks as it joins other sediments
d) The sediment rests for a while then moves on.
What is erosion?
a) The breaking down of rocks
b) The way a river drops sediments
c) The carrying away of sediments
d) All of the above
What is deposition?
a) The carrying away of sediments
b) The breaking down of rocks
c) The dropping of sediments that are being carried by water, wind, or other means.
d) All of the above
What is weathering?
a) The carrying away of sediments
b) The breaking down of rocks
c) The dropping of sediments that are being carried by water, wind, or other means
d) All of the above
What is mechanical weathering?
a) Breaking down by hitting it with a hammer is the only means of mechanical weathering
b) When a mechanic wears a nice suit
c) When rocks, etc., are broken down by phyical forces
d) There is no mechanical weathering.
What is Chemical weathering
a) When chemicals are left out in the weather
b) When chemicals are poured down a drain and causes pollution
c) When chemicals react with rocks to cause it to wear down or to change the rock into something new.
d) There is no chemical weathering.
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