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River Erosion SE - Gizmo with complete solution Student Exploration: River Erosion CA$15.21   Add to cart
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River Erosion SE - Gizmo with complete solution Student Exploration: River Erosion
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River Erosion SE - Gizmo with complete solution Student Exploration: River Erosion Vocabulary: cutbank, discharge, erosion, flood, floodplain, meander, meandering river, oxbow lake, point bar, river speed, sediments, slope, streambank, streambed, tributary, weathering Prior Knowledge Question...

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  • June 16, 2023
  • 10
  • 2022/2023
  • Exam (elaborations)
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G: R: JerVohn A: Brooke B: Khai Date: 3-18- Group #: 28


River Erosion SE - Gizmo with complete solution Student Exploration:
River Erosion

Vocabulary: cutbank, discharge, erosion,
flood, floodplain, meander, meandering river,
oxbow lake, point bar, river speed,
sediments, slope, streambank, streambed,
tributary, weathering

Prior Knowledge Questions (Do these
BEFORE using the Gizmo.)

1. The image above shows a raging mountain river in full flood. What do you
think is making the water brown in color? Dirt


2. What impact do you think the flooding river will have on the surrounding landscape?
Erosion



Gizmo Warm-up https://www.explorelearning.com/
If you stand by the bank of a river, it may seem that
very little is happening. But over thousands and even
millions of years, rivers can have a profound effect on
the landscape. In the River Erosion Gizmo, you will see
how rivers move materials and how they affect
landscapes.

To begin, check that Mountain stream and Short-term erosion are selected. The
Gizmo shows a typical stream that is moving through a hilly area.

1. The two movie cameras ( ) allow you to observe different parts of the
stream up close. Click on the left movie camera. What do you see? I see fish
swimming in the water & some rocks.


2. Sediments are small rock fragments such as sand or pebbles. What evidence do
you see that sediments are being transported? How the water is flowing & the
fish moving right.


3. Now select the right movie camera to see the bank of the mountain
stream. What is happening to sediments on the bank? It eroded & then it fell
into water.

This study source was downloaded by 100000866603821 from CourseHero.com on 06-16-2023 07:22:44 GMT -05:00


https://www.coursehero.com/file/40086664/Copy-of-KWAL-5-River-Erosion-GIZMO/

, Get the Gizmo ready:
Activity A: ● Check that Mountain stream and Short-term
erosion are selected.
Mountain streams ● If necessary, click outside the circle to close
the
zoomed-in view.

Introduction: Erosion occurs when sediments and other materials are moved from
one place to another. Along with weathering, which is the breakdown of large rocks
into smaller sediments, erosion can have a profound impact on the landscape.

Question: How does river erosion affect landscapes in the mountains?

1. Label: First, get to know some of V-shaped valley
the different parts of a mountain
stream. Turn on Show labels. Label
the image to the right, then fill in
the word that goes with each Waterfall
description.
Tributary
A small stream that flows into a larger stream:

Tributary
Streambed
A place along a stream where water Streambank
drops straight down: Waterfall


A letter that describes the shape of a typical mountain valley: V_shaped valley

The side of a stream: Streambank The bottom of a stream: Streambed



2. Observe: Turn off Show labels. Next to “Release barrel,” click Play ( ). Observe
how fast the barrel moves as it floats down the stream.

What happens when the barrel goes over the waterfall? The barrel speeds up
when falling down the waterfall.


3. Calculate: The two red flags are 100 meters apart. The time at which the barrel
passes the flag is shown. Remember, there are 60 seconds in a minute.

A. How many seconds did it take for the barrel to go 100 meters? 91 seconds

B. To find the barrel’s speed, use a calculator to divide the distance traveled
(100 m) by the time it took the barrel to float 100 m. The units are
meters per second (m/s).

What is the speed of the barrel? 1.1 m/s
This study source was downloaded by 100000866603821 from CourseHero.com on 06-16-2023 07:22:44 GMT -05:00


https://www.coursehero.com/file/40086664/Copy-of-KWAL-5-River-Erosion-GIZMO/

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