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Erosion WebQuest
Parts of this WebQuest were taken, modified and adapted from the following website SES 4U: Weathering and Erosion Online Activity Earth & Space Science
Weathering and Erosion Webquest - Google Docs https://docs.google.com/document/d/1...AShq.../edit
OVERVIEW: This activity will help you learn more about the processes and causes of weathering
and erosion and how they shape the earth’s surface. There will be several websites for you to
click on and a few animations to watch that demonstrate these processes.
LEARNING OBJECTIVES:
Students will be able to:
· Differentiate and describe the processes of weathering and erosion
· Describe various human attempts to limit erosion
· Describe how erosion led to the formation of Niagara Falls and the Grand Canyon
DIRECTIONS:
A. After watching the video clips from NATURE, “Violent Hawaii” answer the following
questions: (http://www.pbs.org/wnet/nature/lessons/breaking-it-down/video-segments-violent hawaii/1702/),
Clip 1: Hawaiian Coastal Cliffs
1. Why couldn’t these cliffs have been created by wave erosion?
2. What geologic feature offers clues that the cliffs were been formed by massive landslides?
3. What might have caused the landslides?
Clip 2: Water Erosion
1. Why might heavy rainfall accelerate erosion?
2. Is the steel mesh being draped across the hillside intended to prevent weathering or erosion?
3. What other types of erosion management can you think of?
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B. Make sure the volume is turned OFF on your computer and go to the website http://
www.kineticcity.com/mindgames/warper/.
Here you will see 4-5 scenarios regarding the processes of weathering and erosion. Watch the
animations and then click on “Learn More”. List and describe 4 forces of erosion here:
C. Read and Research the following website to answer questions about Niagara Falls Erosion:
http://www.niagaraparks.com/about-niagara-falls/geology-facts-figures.html
1. What type of erosion led to the formation of the Niagara river/falls? Be specific in your answer
2. What type of rock makes up the Niagara Falls, and be specific.
D. Read and Research the following website to answer questions about Niagara Falls Erosion:
http://www.niagarafallsinfo.com/history-item.php?entry_id=1268&current_category_id=152
1. How many miles back has the Niagara waterfall moved in 12,500 years? _________________
2. What two factors contribute to the slowing of the erosion over Niagara Falls?
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3. In general what is the outlook for erosion of the falls in the future?
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Watch the following video clip that Ranger Felgenhauer puts together discussing the formation of
the Grand Canyon. Be able to answer the following questions.
https://www.youtube.com/watch?v=rPC6cGaJo_E
1. What simple word is needed to understand how the Grand Canyon formed? __________
2. As you watch the video fill in the letters used as the acronym to describe the canyons
formation
D________________________
U________________________
D________________________
E________________________
3. What two ways were the sediment deposited in the canyons early history to form the
sedimentary rocks that make-up the canyon today?
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4. What is down cutting?
5. How did the canyon get to be 10 miles wide? Be specific
6. Research what stair step topography is on your own and identify how it’s formed.
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