Mechanical WeatheringMechanical Weatheringand Erosion Laband Erosion Lab

ReviewReview

Station #1 Wind ErosionStation #1 Wind Erosion

1. The wind would transport the sand to a new location.

2. The sand would probably stick to the clay, adding material to the landform.

3. Over long time period the wind blown sand would reshape other landforms.

4. Both use moving sand to physically reshape an object.

Station # 2 Splash ErosionStation # 2 Splash Erosion1. Mountains that experience

large amounts of rainfall would be worn down more rapidly.

2. Some material is less resistant to weathering, so it would break down more quickly.

3.The water dropped from a greater height moved the material faster. It also moved the larger pebbles further away from the landform.

Station # 3 Dissolving RockStation # 3 Dissolving Rock1. As the water slowed down

the sugar settled out of the water. (deposition)

2. The surface of the “rock” was weathered and eroded.

3. The rock is carried towards the bottom of the tray. When the water evaporates the sugar is left behind. Stalagmites and stalactites are formed in a similar way.

Station #4 Mechanical WeatheringStation #4 Mechanical Weathering

1. Rock fall, Landslide, Saltation Abrasion

Station #5 Station #5

1. Answers will vary

2. Magnetite

Station # 6 Wave ErosionStation # 6 Wave ErosionWave Erosion of Coastal Cliffs Animation

Station # 7 Preventing ErosionStation # 7 Preventing Erosion

1. The plant would help hold the soil in place.

2. Water moving at a greater velocity will carry (erode) more sediment.

3. Parking lots, roads and paved driveways allow running water to pick up speed before coming in contact with soil, which will increase erosion.

Station # 8 Rates of WeatheringStation # 8 Rates of Weathering

1. Rock B is more resistant to weathering.

2. Rock A is less resistant to weathering.

3. Drawing should show that rock A has been broken down into sediment. Most of the sediment would have been washed away.

4. Drawing should show the formation of a hoodoo. Rock B would have protected the portion of Rock A that was directly below it, forming a tower or a column.

Hoodoo

Weathering, Erosion & Deposition Weathering, Erosion & Deposition WorksheetWorksheet

• 1. mechanical 11. chemical• 2. chemical 12. wind• 3. mechanical 13. glaciers• 4. mechanical 14. waves• 5. mechanical 15. gravity• 6. chemical 16. running• 7. mechanical 17. glacial• 8. chemical 18. waves• 9. mechanical 19. wind• 10. mechanical 20. streams