Weathering, Erosion and Deposition worksheet - Free Printable

Let's solve this step by step based on the worksheet titled "Weathering, Erosion and Deposition."

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🔹 Understanding the Concepts:

- Weathering: The process where rocks are broken down into smaller pieces in place, without moving them. This can happen due to water, ice, temperature changes, or biological activity.

- Erosion: The process of moving weathered material (like soil, sand, rock fragments) from one location to another by agents such as wind, water, ice, or gravity.

- Deposition: The process where eroded materials are deposited or dropped off in a new location, forming landforms like beaches, sand dunes, or deltas.

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## ✔ Part 1: Match the Pictures

We have three images:

1. First image (left): Tower-like rock formations (e.g., hoodoos in Utah).
→ These are formed by differential weathering — softer rock erodes faster than harder layers.
✔ Match: WEATHERING

2. Second image (middle): Waves crashing onto a beach with sand being moved along the shore.
→ This shows waves transporting sediment.
✔ Match: EROSION

3. Third image (right): A river cutting through a canyon with sediment visible at the bottom.
→ This is erosion by a river carving through rock and carrying sediment downstream.
✔ Match: EROSION

> Wait! But let’s double-check: While the third image shows erosion, if there's sediment building up in a certain area, it might also involve deposition. However, the image shows a canyon with a flowing river, which indicates erosion is dominant here.

So:
- Image 1 → WEATHERING
- Image 2 → EROSION
- Image 3 → EROSION

> Note: The third image may also include some deposition, but the main process shown is erosion.

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## ✔ Part 2: Classify the Statements

Now, classify each lettered statement into Weathering, Erosion, or Deposition.

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🔹 Let's analyze each:

A. Water getting into cracks, freezing, and breaking the rocks.
→ This is freeze-thaw weathering.
✔ WEATHERING

B. Wind blowing sand from one place to another.
→ Movement of sand by wind = wind erosion
✔ EROSION

C. Muddy water being transported by a fast-moving river
→ Material is being carried (transported), so it’s erosion
✔ EROSION

D. Flood waters moving soil from one location to another.
→ Soil being moved by water → erosion
✔ EROSION

E. Glaciers dropping rock and sand to other places.
→ "Dropping" means depositing material
✔ DEPOSITION

F. Waves dropping sand to the beach.
→ Sand being deposited by waves → deposition
✔ DEPOSITION

G. Rainwater carrying away water from a hill.
→ This is surface runoff, which moves soil and rock → erosion
✔ EROSION

H. Sand dunes forming at the desert.
→ Dunes form when wind deposits sand in mounds → deposition
✔ DEPOSITION

I. Raindrops on some rocks making them wear down.
→ Physical breakdown of rock surface → weathering
✔ WEATHERING

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✔ Final Classification Table:

| WEATHERING | EROSION | DEPOSITION |
|------------|---------|------------|
| A | B, C, D, G | E, F, H |
| I | | |

> Note: Only A and I are weathering.
> B, C, D, G are erosion.
> E, F, H are deposition.

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✔ Summary Answer:

#### Part 1: Match Images
- Left image (rock formations): WEATHERING
- Middle image (beach with waves): EROSION
- Right image (river canyon): EROSION

#### Part 2: Classification

| WEATHERING | EROSION | DEPOSITION |
|------------|---------|------------|
| A, I | B, C, D, G | E, F, H |

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📌 Explanation Recap:

- Weathering breaks rocks apart without movement.
- Erosion involves transportation of material.
- Deposition is when materials are dropped off and settle.

This cycle is essential in shaping Earth’s surface over time!

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