a look at how landforms are the result of changes to earths surface by water, wind, and ice
TRANSCRIPT
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Changes to the Earth’s Surface
A Look at How Landforms are the Result of Changes to Earth’s Surface by Water, Wind, and Ice
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What is a Landform?
In your science notebook, write a description of how you would describe a landform to another student.
Although there are many different landforms, in this lesson, we will focus on three specific landforms.
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Canyons
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Sand Dunes
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River Deltas
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Weathering, Erosion, and Deposition by Wind
Sand dunes form by…
Sand dunes change by…
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Weathering, Erosion, and Deposition by Wind
The wind reshapes the rock by…
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Weathering, Erosion, and Deposition by Water
Flowing water changes the rock by…
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Weathering, Erosion, and Deposition by Water
Canyons form by…Canyons change over time by…
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Erosion and Deposition by Water
Deltas form by…
Deltas change over time by…
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Weathering, Erosion, and Deposition by Water (Waves)
Waves change the rock by…
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Weathering, Erosion, and Deposition by Water (Waves)
Over time, waves can change…
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Erosional/Weathering Agent: Ice
Ice can change rock by…
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Erosional/Weathering Agent: Ice
Mountains can be reshaped by…
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Landforms on Earth Are all Earth’s landforms the same? Why or why
not?
What are some of the features that you see when you look at the pictures?
Do you think that these landforms have always been the same?
Do you think that changes in these landforms occurred quickly or did they take a long time to be formed?
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Landforms on Earth How will these landforms look:
• Two days from now, one year from now? • Ten years from now? • One hundred years from now? • One thousand years from now?• One million years from now?
Which forces caused these landforms to change?
How do the landforms that are formed and changed by water, wind, and ice differ from each other?
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Landform Defined
In your science notebook, write a definition for the word “landform”.
Landform - Any feature on the Earth's surface, caused by erosion, sedimentation, or movement of material by wind, water, or ice