Earth's Surface Systems Topic 6 Review

Jada often visits a beach near her home. She notices that some areas of the beach are shrinking while other areas are growing. Which statement best explains the cause of these changes?

• Both processes are due to erosion.

• Both processes are due to deposition.

• Some areas are shrinking due to erosion and other areas are growing due to deposition.

• Some areas are shrinking due to deposition and other areas are growing due to erosion.

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Underground caves form as minerals inside bedrock dissolve and wash away. Which other feature can form through this process?

• mine

• sinkhole

• dune

• fault line

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An oxbow lake is formed when a meander is cut off from the rest of the river. What is responsible for the formation of an oxbow lake?

• erosion and deposition of sediment

• the breaking down of soil due to acid rain

• alternating cycles of freezing and thawing

• physical weathering of rocks moving in the

  river

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In some areas, limestone is found underneath the soil. In these areas, water can wear away the limestone and sinkholes may form on the surface. What is responsible for the formation of sinkholes?

• deposition

• erosion

• chemical weathering

• physical weathering

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Which event is an example of physical weathering?

• a delta forming

• acid rain dissolving rock

• water carrying rock particles

• a plant's growing root cracking a rock

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The pictures show the Mississippi River delta over the past

6,000 years. Which of the following is the most likely reason

the Mississippi River delta has changed over time?

• erosion

• deposition

• physical weathering

• chemical weathering

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After a winter of rainy days followed by very cold temperatures, a piece of rock on a mountain trail has a large crack in it. What caused this crack to occur?

• deposition

• erosion

• chemical weathering

• physical weathering

Which term describes the interaction between the geosphere and atmosphere in which rocks are broken down?

• deposition

• erosion

• glaciation

• weathering

A hiker finds a smooth, rounded pebble along the shore of a stream that is flowing down from a mountain. Which of these most likely caused the pebble to have this appearance?

• heat from the Sun

• movement of water

• changes in temperature

• chemicals in the environment

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A canyon is a deep, steep-sided valley, as shown in the

illustration. Which statement describes how the canyon most likely formed?

• swift-moving river carved the soil and rock.

• volcanic event opened the space in Earth's crust.

• A glacier traveled through the area and scoured the rock.

• A deep lake filled the area and carved the sides of the canyon.

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