Which of these is an example of Earth's Surface changing over time.

Canyons get a little deeper each year.

A farm near a river has very rich soil. What might cause this?

Floods from the river deposited rich soil.

Last winter a rock had a crack in it. This year the crack in the rock changed. How?

The crack got bigger because the water froze and expanded

How are moraines formed?

As glaciers melt soil and sediment is deposited.

A house built on a low cliff near an ocean. How will erosion affect it.

Sediment that the house stands on could be removed.

How is a delta formed?

A river deposits sediment when it reaches an ocean.

How is a river valley like a canyon?

Both are formed by moving water

How did huge boulders in the middle of a grassy field most likely get there

Erosion and Deposition by a glacier

Breaking apart or wearing away of rocks.

Sandstorms move sand over great distances. Which is most likely.

Sediment is deposited in a new place

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Weathering, Erosion and Deposition

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Chapter 4 Earth Science Review

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Questions 17

Answers

1
Which of these is an example of Earth's Surface changing over time.
Waves get bigger each year.
Winds get stronger each year.
Valleys get a little narrower each year.
Canyons get a little deeper each year.
2
A farm near a river has very rich soil. What might cause this?
Rain dissolved minerals which made the soil rich.
Plants cracked rocks into pieces which made the soil rich.
Wind brought the rich soil.
Floods from the river deposited rich soil.
3
Which Landform is found where land meets an ocean
Mountain
Valley
Plain
Coastline
4
Last winter a rock had a crack in it. This year the crack in the rock changed. How?
The crack got bigger because the water froze and expanded
The crack got smaller because dust mixed with water.
It got smaller after the water deposited sediment.
It got bigger because water eroded it.
5
How do weather and erosion cause a landslide?
Sandstorms blow sediment against the rock
Weak Acid Dissolves the limestone
Rock and soil slip downhill
Moving ice deposits sediment
6
How are moraines formed?
The ice in the glaciers caused rocks to freeze and break.
Glaciers cause erosion which enrich the soil.
As glaciers melt soil and sediment is deposited.
Rock carried in the glaciers became sharp and jagged.
7
The dust bowl was an example of severe what?
Wind erosion deposition.
Glacial Erosion
Water erosion.
Weathering by Wind, but not erosion or deposition.
8
Wind carries sand and causes abrasion. What will happen to rocks over time?
They become larger
They become smooth
They will crack
They will blow away
9
How does weathering help form a sandy beach?
Waves break up big rocks
Chemicals dissolve the rocks into sand
Melting Glaciers deposit sand
Sandstorms carry it to the coast
10
A house built on a low cliff near an ocean. How will erosion affect it.
The soil around the house could be moved by a glacier.
Sediment that the house stands on could be removed.
The paint on the house could worn away by abrasion.
Extra sediment could build up around the house.
11
Underground caves made from limestone are formed by
Heavy Wind
High Waves
Weak Acid
Glacial Ice
12
How is a delta formed?
A river deposits sediment when it reaches an ocean.
Glaciers Deposit sediment when it melts in the ocean.
A river carves out a delta with running water.
Ocean waves carve out a delta with moving water
13
How is a river valley like a canyon?
Both are found near oceans
Both are flat
Both rise high above the land around them
Both are formed by moving water
14
This is an example of what type of weather and erosion
Wind
Water
Weak Acid
Glaciers
15
How did huge boulders in the middle of a grassy field most likely get there
Abrasion and deposition by a sandstorm
Erosion and Deposition by a glacier
Weathering and Erosion by Water
Weather and abrasion by a sinkhole
16
What is weathering?
Breaking apart or wearing away of rocks.
moving of sediment
the creation of landforms.
Dropping of Sediment in a new place.
17
Sandstorms move sand over great distances. Which is most likely.
Water freezes and splits rocks.
Sediment is deposited in a new place
A cave forms underground
Rocks and soil slip downhill

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