Surface ChangesHoward Ignatius, “Delicate Arch, Arches National Park” May 1, 2009 via Flickr, Creative Commons attribution
Two Types of ChangesSlowWeathering
ErosionFastVolcanic eruptions
Earthquakes
Landslides
TsunamisWeatheringPhysical or mechanical weatheringFrost WedgingWater expands when it freezesThermal expansionRocks break due to temperature changesExfoliation or unloading Rocks break into sheets form expansion of rockGlenn Scofield Williams, “The Art of Exfoliation” July 7, 2007 via Flickr, Creative Commons  AttributionSamantha McGregor, “Weathering” October 5, 2009Samantha McGregor, “weathered roads” October 5, 2009
Chemical WeatheringSolutionMinerals dissolved into waterKarst TopographyGroundwater dissolving sedimentary rock (sinkholes, caves, springs)Steve Barringer, “ Child Angel III-niño angel” March 24, 2009 via Flickr, Creative Commons NoDervs LicenseAndrew Stawerz, “Cheddar Caves-Mirror Pool” June 11, 2006 via Flickr, Creative Commons Attribution
   Oxidationoxygen combined with iron-bearing minerals “rusting”Andrea Schaffer, “Rust” March 10, 2007 via Flickr, creative commons Attribution
Biological WeatheringRoots of trees and other plants
Lichens, fungi, and other micro-organisms
Animals (including humans)Waka Jawaka, ”Roots" August 23,2007 via Flickr, Creative Commons AttributionMike McCaffrey, “DSC N9622 Photographic Fungus” August 15, 2007 via Flickr, Creative Commons Attribution
ErosionWater ErosionRain and streamsWind ErosionSand dunes and desertsSmabs Sputzer, “Weir at Marple Dale” August 11, 2008 via Flickr, Creative Commons Attribution.Vyanchslav Argenberg,“Siq, Petra (2007-06-072)”September 6, 2007 via Flickr, Creative Commons Attribution.
Erosion Continued…Ice ErosionGlaciers ( Great Lakes)Wave ErosionCoastsRicardo Martins, “Perito Moreno Glacier” April 30, 2007 via Flickr, Creative Commons AttributionKyknoord, “Line in the Sand” October 6, 2008 via Flickr, Creative Commons Attribution
Volcanic Eruptions Blasts	Mixture of ash, gas, and rocksHot lava	Covers ground, killing everythingIndia Amos, “Eruption of Mount Vesuvius” April 17, 2008 via Flickr, Creative Commons  Attribution
Volcanoes: Domino EffectCan lead toEarthquakesCan lead to landslidesLandslidesMixing debris with waterTsunamisDirt overflows streamsClipart from PowerPoint
EarthquakesWhen two plates (parts) of the Earth Slide against each other
Causes the Earth to shakeClipart from PowerPoint

Surface Changes

  • 1.
    Surface ChangesHoward Ignatius,“Delicate Arch, Arches National Park” May 1, 2009 via Flickr, Creative Commons attribution
  • 2.
    Two Types ofChangesSlowWeathering
  • 3.
  • 4.
  • 5.
  • 6.
    TsunamisWeatheringPhysical or mechanicalweatheringFrost WedgingWater expands when it freezesThermal expansionRocks break due to temperature changesExfoliation or unloading Rocks break into sheets form expansion of rockGlenn Scofield Williams, “The Art of Exfoliation” July 7, 2007 via Flickr, Creative Commons AttributionSamantha McGregor, “Weathering” October 5, 2009Samantha McGregor, “weathered roads” October 5, 2009
  • 7.
    Chemical WeatheringSolutionMinerals dissolvedinto waterKarst TopographyGroundwater dissolving sedimentary rock (sinkholes, caves, springs)Steve Barringer, “ Child Angel III-niño angel” March 24, 2009 via Flickr, Creative Commons NoDervs LicenseAndrew Stawerz, “Cheddar Caves-Mirror Pool” June 11, 2006 via Flickr, Creative Commons Attribution
  • 8.
    Oxidationoxygen combined with iron-bearing minerals “rusting”Andrea Schaffer, “Rust” March 10, 2007 via Flickr, creative commons Attribution
  • 9.
    Biological WeatheringRoots oftrees and other plants
  • 10.
    Lichens, fungi, andother micro-organisms
  • 11.
    Animals (including humans)WakaJawaka, ”Roots" August 23,2007 via Flickr, Creative Commons AttributionMike McCaffrey, “DSC N9622 Photographic Fungus” August 15, 2007 via Flickr, Creative Commons Attribution
  • 12.
    ErosionWater ErosionRain andstreamsWind ErosionSand dunes and desertsSmabs Sputzer, “Weir at Marple Dale” August 11, 2008 via Flickr, Creative Commons Attribution.Vyanchslav Argenberg,“Siq, Petra (2007-06-072)”September 6, 2007 via Flickr, Creative Commons Attribution.
  • 13.
    Erosion Continued…Ice ErosionGlaciers( Great Lakes)Wave ErosionCoastsRicardo Martins, “Perito Moreno Glacier” April 30, 2007 via Flickr, Creative Commons AttributionKyknoord, “Line in the Sand” October 6, 2008 via Flickr, Creative Commons Attribution
  • 14.
    Volcanic Eruptions Blasts Mixtureof ash, gas, and rocksHot lava Covers ground, killing everythingIndia Amos, “Eruption of Mount Vesuvius” April 17, 2008 via Flickr, Creative Commons Attribution
  • 15.
    Volcanoes: Domino EffectCanlead toEarthquakesCan lead to landslidesLandslidesMixing debris with waterTsunamisDirt overflows streamsClipart from PowerPoint
  • 16.
    EarthquakesWhen two plates(parts) of the Earth Slide against each other
  • 17.
    Causes the Earthto shakeClipart from PowerPoint