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What do round mountains, rusty bikes, paint-chipped houses, and potholes have in common? Stay tuned for the answer after this commercial break.

Published byClementine Hardy Modified over 5 years ago

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Presentation on theme: "What do round mountains, rusty bikes, paint-chipped houses, and potholes have in common? Stay tuned for the answer after this commercial break."— Presentation transcript:

1 What do round mountains, rusty bikes, paint-chipped houses, and potholes have in common? Stay tuned for the answer after this commercial break.

2 WEATHERING! And you thought it would be hard! 

3 What happens to the mountains when the snow thaws?

4 MECHANICAL WEATHERING
Created by a physical change. Freezing & Thawing Abrasion Animal Actions Plant Growth Release of Pressure Rock still looks the same or is made up of the same material, but changes physically. Example – Water – Ice

5 Abrasion

6 CHEMICAL WEATHERING Breaks down rock through chemical changes. Could change the chemical make up. Water Oxygen Carbon Dioxide Living Organisms Acid Rain

7 Water – Chemical Weathering

8 Pollution from large factories causes acid rain.

9 What are signs of weathering that you see around
Mt. Vernon?

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