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How does the Earth Change?

How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

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Page 1: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

How does the Earth Change?

Page 2: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

The process in which materials on or near the Earth’s surface break down and change

Types of Weathering:Mechanical (Physical) WeatheringChemical Weathering

Page 3: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

Process by which rocks break down into smaller pieces

DOES NOT involve a change in composition

Page 4: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

Frost wedgingFreeze - thaw cycle of

water in cracks of rocks

PressurePressure causes

curved cracks in rockThe stripping away of

rock layers is known as exfoliation

Another example is tree roots pushing through rock

Page 5: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

Process by which rocks and minerals undergo changes in their composition

Agents of chemical weathering:Water, oxygen,

CO2, acid precipitation

Page 6: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

Can be affected by:Climate

Warm, humid areas weather fasterRock Type and Composition

Certain rocks weather easierSurface Area

Amount of area exposed

Page 7: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

Removal of weathered rock and soil from its original location

Agents of erosion:GravityMoving waterGlaciersWind

Page 8: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

Force of gravity tends to pull all materials down slope

Page 9: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

Rivers and streams carry sediments

Waves against shorelines cause erosion of the shoreline

Page 10: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

Glaciers can carry huge rocks and debris Leave U-shaped depressions called moraines

Page 11: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

• Wind can pick up and move fine dry particles

Page 12: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

What types of weathering and erosion can be found in Paramus??

EXAMPLES?

Page 13: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

Can Humans and other living creatures be an agent of erosion??

Page 14: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

Rock CycleHow does the Earth change?

Page 15: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

Rock Cycle• Continuous, dynamic set of processes by which

rocks are changed into other types of rocks• Any rock can be changed into any other type of

rock

Page 16: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

Igneous Rocks

Magma

Sedimentary Rocks

Metamorphic Rocks

Sediments

Rock Cycle

Page 17: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

Igneous Rocks

Magma

Sedimentary Rocks

Metamorphic Rocks

Sediments

Rock Cycle

Melting

MeltingMelting

Page 18: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

Igneous Rocks

Magma

Sedimentary Rocks

Metamorphic Rocks

Sediments

Rock Cycle

Melting

Melting

Cooling and Crystallization

Melting

Page 19: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

Igneous Rocks

Magma

Sedimentary Rocks

Metamorphic Rocks

Sediments

Rock Cycle

Melting

Melting

Cooling and Crystallization

Melting

Heat and Pressure

Heat and Pressure

Page 20: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

Igneous Rocks

Magma

Sedimentary Rocks

Metamorphic Rocks

Sediments

Rock Cycle

Melting

Melting

Cooling and Crystallization

Melting

Heat and Pressure

Heat and Pressure

Weathering & ErosionW & E

Page 21: How does the Earth Change?. The process in which materials on or near the Earth’s surface break down and change Types of Weathering: Mechanical (Physical)

Igneous Rocks

Magma

Sedimentary Rocks

Metamorphic Rocks

Sediments

Rock Cycle

Melting

Melting

Cooling and Crystallization

Melting

Heat and Pressure

Heat and Pressure

Weathering & ErosionW & E

Lithification


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