*Erosion Stations - Pt 2 - NICHOLAS GLAESER | Library

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Drag the descriptions in how the formation of a canyon occurred with the first step on the top.

The river continues to erode the land even more creating the "V"-shape valley.
The river begins to erode the land forming a channel for water to follow.
For millions of years, the annual snowmelt and rainfall erode away the lower half of the V-shaped valley creating the vertical sides of the canyon.
A river flows across flat land from annual snowmelt or rainfall.

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Drag the descriptions in how the formation of a sand dune occurred with the first step on the top.

Wind blows across loose sand, picking up tiny grains and carrying (erosion) them through the air.
The wind-blown sand eventually hits an obstacle, like a rock or a plant, causing the sand to drop and pile up (deposition).
As more sand grains hit the obstacle, they start to pile up (deposition), forming a small mound.
Over time, the mound grows bigger as more sand is added, eventually forming a sand dune.

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4

Drag the descriptions in how the formation of frost wedging occurred with the first step on the top.

When the temperature drops, the water in the cracks freezes and turns into ice (weathering).
As the water freezes, it expands, pushing the cracks in the rock wider (weathering).
Water from rain or melting snow seeps into cracks in rocks.
Over time, the repeated freezing and thawing causes the rock to break apart into smaller pieces (weathering).

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4

Match each landform photo to the description that best describes how the landform is made.

Draggable item		Corresponding Item
Formed when a river weathers rock and erodes sediments over millions of years
Formed when sediments are deposited at the mouth of a river

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For each landform below, determine the agent of change (wind, water, or ice) and the W.E.D. process (Weathering & Erosion or Deposition) that caused its creation.

Sort the items on the left based on their agent of change.

Wind
Water
Ice

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Sort the items on the left based on their agent of change.

Wind
Water
Ice

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Sort the items on the left based on their agent of change.

Wind
Water
Ice

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Explain It!

1. Study the image and read the caption.
2. Answer the questions on your Student Sheet.

A family renting a beach house on vacation noticed fences, shrubs, and grasses between the house and the ocean water.  A sign said to keep off the dunes.

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Draggable item		Corresponding Item
Formed when a river weathers rock and erodes sediments over millions of years
Formed when sediments are deposited at the mouth of a river
Formed when a large, wide glacier slowly moves through the area, weathering rock and eroding sediments
Formed when ocean waves crash against rock for many years

*Erosion Stations - Pt 2

*Erosion Stations - Pt 2

Drag the descriptions in how the formation of a canyon occurred with the first step on the top.

Drag the descriptions in how the formation of a sand dune occurred with the first step on the top.

Drag the descriptions in how the formation of frost wedging occurred with the first step on the top.

Match each landform photo to the description that best describes how the landform is made.

Sort the items on the left based on their agent of change.

Wind

Water

Ice

Sort the items on the left based on their agent of change.

Wind

Water

Ice

Sort the items on the left based on their agent of change.

Wind

Water

Ice

Explain It!

Drag the descriptions in how the formation of a canyon occurred with the first step on the top.

Drag the descriptions in how the formation of a sand dune occurred with the first step on the top.

Drag the descriptions in how the formation of frost wedging occurred with the first step on the top.

Match each landform photo to the description that best describes how the landform is made.

Sort the items on the left based on their agent of change.

Wind

Water

Ice

Sort the items on the left based on their agent of change.

Wind

Water

Ice

Sort the items on the left based on their agent of change.

Wind

Water

Ice

Explain It!

Why is the beach grass important to this area?

Why is the sand fence important to this area?

What might happen if the fence were removed and people were permitted to walk and drive golf carts on the sand dunes?

Why is the beach grass important to this area?

Why is the sand fence important to this area?

What might happen if the fence were removed and people were permitted to walk and drive golf carts on the sand dunes?