Changes to the Earth’s surface

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Weathering and Erosion

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Presentation transcript:

Changes to the Earth’s surface Weathering Erosion Breaks down rocks into smaller pieces 2 types FRAPA LOWCA Removes the rock particles WWGM

Mechanical Weathering (FRAPA) Erosion Mechanical Weathering (FRAPA) Freezing & Thawing Release of pressure Animal Actions Plant Growth Abrasion Chemical Weathering (LOWCA) Living Organisms Oxygen Water Carbon Dioxide Acid Rain Examples F R A P A L O W C A

Erosion  moves rock particles Sediment = rock particles Deposition = when sediment is laid down/deposited from erosion Deposition Landform Weathering Sediment Erosion Deposition

Erosion  moves rock particles Sediment = rock particles Deposition = when sediment is laid down/deposited from erosion Examples: WWGM – “What would G-ma make?” Wind  Water (runoff, rivers, waves) Glaciers Mass Movement (landslides, mudflows, slumps and creeps)

Wind Erosion – wind carrying sediment

Water Erosion – waves, rivers, streams, waterfalls wave erosion

Glaciers glaciers

Mass Movement Examples - gravity Mudslide Landslide Creeps & Slumps Avalanches US

Landform Weathering Sediment Erosion Deposition