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WorksheetsEarth's Changing Surface sections 1 and 2
Total questions: 19
Worksheet time: 20mins
Many large rivers deposit huge amounts of sediment where they slow down or reach the sea. After many years, these sediments can add up to form a deep layer.
True
False
Sediment is heavier than water.
True
False
Rock that is formed from deposited sediment is called:
shale
obsidian
sedimentary
limestone
Any eroded material, such as weathered rock, sand, and soil, that is deposited in a new place.
sand
run off
deposition
sediment
When rainwater hits the soil, it loosens the soil at the surface. This is the beginning of what process?
erosion
deposition
weathering
warming
Explain how rainwater can weather away rock
The chemicals that rock is made out of.
chemicals
sediment
particles
minerals
What is ice wedging?
A slowly moving river of ice.
stream
glacier
ice berg
ice cube
What do glaciers deposit?
rock and sand
rock, sand, and mud.
water, rock, sand and mud
Glaciers weather and erode the land where they flow. Over thousands of years, they can create what kind of shapedvalley?
S
U
V
Y
The natural process of breaking down rock.
weathering
erosion
sanding
deposition
This occurs when weathered bits of rock or soil are loosened and moved from one place to another.
weathering
erosion
sanding
deposition
When the eroded pieces stop moving and settle in one place, this process is called:
weathering
erosion
sanding
deposition
Scientists do not study patterns and evidence to learn about how Earth has changed.
True
False
The ripples in this sand are evidence of what? Write your answer in a complete sentence.
The roots of a tree can speed up or slow down weathering, erosion, and deposition.
True
False
Look at these images in order to help you with the following: Draw, label, and explain how the roots of a tree can help keep a river bank from eroding.
Earth's surface is always the same.
True
False
