Weathering and Erosion | What Is the Difference between Weathering and Erosion?

Learn Bright

14 Dec 202107:15

Summary

TLDRThe script explains the processes of weathering and erosion that shape landforms over time. It details how weathering breaks down rocks through chemical, mechanical, and biological means. Erosion then moves these particles via water, wind, ice, gravity, and living things. The constant interplay between weathering and erosion along coastlines creates landforms like bays and sea cliffs. The script reviews the differences between weathering and erosion, emphasizing that erosion requires prior weathering. It concludes by encouraging viewers to observe how even small natural processes like raindrops and worms can drive these Earth-shaping forces.

Takeaways

😀 Weathering breaks down rocks while erosion moves rocks and sediment
🌊 Water, wind and ice are main causes of erosion
😮 Chemical, mechanical and biological processes cause weathering
🌱 Worms, roots, etc. cause biological weathering
⛰️ Gravity causes erosion through landslides and rock slides
❄️ Glaciers are massive ice formations that cause erosion
👷 Humans cause erosion through farming and construction
🛑 Deposition stops erosion and can form new landforms
🔁 Weathering and erosion are constant, ongoing processes
🎓 Understanding these processes helps appreciate nature's impact

Q & A

What are the two main processes that create or destroy landforms?
-The two main processes that create or destroy landforms are weathering and erosion.
What is the difference between weathering and erosion?
-Weathering is the breaking down or decomposing of rocks, while erosion is the movement of the broken down rocks and sediment.
What are the three types of weathering?
-The three types of weathering are: chemical weathering, mechanical weathering, and biological weathering.
How does chemical weathering cause changes to rocks?
-Chemical weathering causes changes through chemical reactions on the surface or minerals inside the rock.
What causes mechanical weathering?
-Mechanical weathering is caused by forces like frost, ice, moving water, or heat from the sun.
What causes biological weathering?
-Biological weathering is caused by living organisms like plants, animals, worms, and tree roots breaking rocks into smaller pieces.
What are the three main causes of erosion?
-The three main causes of erosion are water, wind, and ice.
How can humans cause erosion?
-Humans can cause erosion through activities like farming, cutting down trees, and constructing roads and buildings.
What is deposition?
-Deposition is when eroded sediments, soil and rocks come to rest and build up in an area, possibly forming new landforms.
Why do weathering and erosion constantly reshape the earth?
-Weathering and erosion are ongoing, natural processes that are constantly breaking down and moving rock particles around the planet.