Weathering, Erosion, & Soil By: Daniel Cameron. What is erosion, weathering, & soil? Erosion is a process that wears away Earth’s surfaces. Weathering.

Weathering, Erosion, & Weathering, Erosion, & SoilSoil

By: Daniel CameronBy: Daniel Cameron

What is erosion, weathering, & What is erosion, weathering, & soil?soil?

Erosion is a process that wears away Earth’s surfaces.Erosion is a process that wears away Earth’s surfaces. Weathering is the breaking down of Earth's rocks, Weathering is the breaking down of Earth's rocks,

soils and minerals.soils and minerals. Soil is a natural body of Earth formed from the Soil is a natural body of Earth formed from the

particles of broken rockparticles of broken rock

It usually occurs due to transport by wind, It usually occurs due to transport by wind, water, or ice; by down-slope creep of soil water, or ice; by down-slope creep of soil and other material under the force of and other material under the force of gravity.gravity.

Erosion of Alaska’sCoast

Erosion Erosion

Erosion is a natural process, but it Erosion is a natural process, but it has been increased dramatically by has been increased dramatically by human land use.human land use.

Hurricanes causing erosionHurricanes causing erosion

Two important classifications of weathering Two important classifications of weathering processes exist — physical and chemical processes exist — physical and chemical weathering. weathering.

WeatheringWeathering

Physical and chemical weathering Physical and chemical weathering includes the processes ofincludes the processes of......frost frost actionaction......thermal expansionthermal expansion......wetting wetting and dryingand drying......salt decay.salt decay.

Soil is composed of particles of broken Soil is composed of particles of broken rock.rock.

SoilSoil

Soil differs from its parent rock due Soil differs from its parent rock due to interactions between the to interactions between the lithosphere, hydrosphere, lithosphere, hydrosphere, atmosphere, and the biosphere.atmosphere, and the biosphere.

1.What are the two types of weathering?1.What are the two types of weathering? http://www.geography4kids.com/files/land_weathering.htmlhttp://www.geography4kids.com/files/land_weathering.html

2.What are the four agents of erosion that wear away 2.What are the four agents of erosion that wear away Earth’s surface?Earth’s surface? http://geography.about.com/od/physicalgeography/a/erosion.htmhttp://geography.about.com/od/physicalgeography/a/erosion.htm

3.Most soils have a density of what?3.Most soils have a density of what? http://en.wikipedia.org/wiki/Soilhttp://en.wikipedia.org/wiki/Soil

4.Erosion is defined as the removal of what?4.Erosion is defined as the removal of what? http://www.physicalgeography.net/fundamentals/10w.htmlhttp://www.physicalgeography.net/fundamentals/10w.html

Scavenger Hunt continuedScavenger Hunt continued

5.Where does the energy of erosion come from?5.Where does the energy of erosion come from? http://www.physicalgeography.net/fundamentals/10w.htmlhttp://www.physicalgeography.net/fundamentals/10w.html

6.Mineral Weathering that is driven by what? 6.Mineral Weathering that is driven by what? http://courses.soil.ncsu.edu/resources/soil_classification_gehttp://courses.soil.ncsu.edu/resources/soil_classification_genesis/mineral_weathering/mineral_weathering.swfnesis/mineral_weathering/mineral_weathering.swf

7.Soil covers a major portion of what? 7.Soil covers a major portion of what? http://42explore.com/dirt.htmhttp://42explore.com/dirt.htm

8.What is the difference between soil and dirt? 8.What is the difference between soil and dirt? http://school.discoveryeducation.com/schooladvehttp://school.discoveryeducation.com/schooladventures/soil/down_dirty.htmlntures/soil/down_dirty.html

Scavenger Hunt continuedScavenger Hunt continued

9.What kind of erosion formed the Grand Canyon?9.What kind of erosion formed the Grand Canyon? http://www.geography4kids.com/files/land_erosion.htmlhttp://www.geography4kids.com/files/land_erosion.html

10. The word erosion comes from what 2 words? 10. The word erosion comes from what 2 words? http://www.watersheds.org/earth/erosion.htmhttp://www.watersheds.org/earth/erosion.htm

Scavenger Hunt AnswersScavenger Hunt Answers

1. Chemical and Physical Weathering 1. Chemical and Physical Weathering 2. Water, wind, ice and waves2. Water, wind, ice and waves 3. 1-2 g/cm3. 1-2 g/cm 4. Soil, sediment, and rock fragments4. Soil, sediment, and rock fragments 5. Gravity5. Gravity

AnswersAnswers

6. Heat and Water6. Heat and Water 7. Earth7. Earth 8. Dirt is what you get in your 8. Dirt is what you get in your

fingernails. Soil is what is under your fingernails. Soil is what is under your feet.feet.

9. River Erosion9. River Erosion 10. Eat Away10. Eat Away

www.wikipedia.org

www.stonecaretechniques.com

www.mrsciguy.com/weathering.html