PPT-Ch.13, Sec.2 – Stream Erosion & Deposition

running water is the most effective agent of erosion gravity draws surface water downhill which allows the water to erode soil and rock materials rivers also eventually leave their eroded materials behind which we refer to as . MOHAWKGROUP.COM VACUUMING SEC. SEC. SEC. SEC. SEC. 101CARPET CARE THE FIVE KEYS TO EFFECTIVE MAINTENANCE 4.0 INTERIM CLEANING Scheduled interim cleaning helps the carpet retain appearance, and im Features of River Erosion. 1. Potholes. 2. River Valleys. 3. Gorges and Canyons. 4. Mesa and Butte. 5. Waterfalls. 1. Potholes. Potholes are formed due to stream or river erosion which initiates by simple . Chapter 4.1. Pages 118-127. Key Questions. How does moving water cause erosion?. What land features are formed by water erosion and deposition?. Moving water is the major agent of the erosion that has shaped Earth’s land surface.. Physical Weathering. Weathering. is the breakdown of rock or soil. . Physical . weathering occurs when natural forces, such as wind, running water, and moving ice, physically break up rock and soil into smaller particles. . The . surface. features of the Earth change as a result of observable physical and chemical processes . Weathering and Erosion. This is a monument . called Cleopatra’s . Needle. It was carved in Egypt around 1450B.C. The sides are carved with hieroglyphs, the writing of ancient Egypt. It stood in the dry, hot Egyptian desert for over 3000 years. During that time, the hieroglyphs remained distinct.. Water Erosion. How Does Moving Water Cause Erosion?. Erosion by water begins with a splash of rain.. Some rainfall sinks into the ground.. Some evaporates or is taken up by plants.. The rest of the water runs off over the land surface.. Deposition. is the process whereby sediments. are “released” or “fall out” of an . erosional system.. River Delta. Glacial Moraine. Sand Dune. Barrier Island. Factors. that Impact . Deposition -- Velocity. Weathering. Weathering is the process that breaks down rock and other substances at the Earth’s surface. . Heat, cold, water, and ice all contribute to weathering.. Repeated freezing and thawing for example can crack rock apart into smaller pieces. . Impact on Ecosystems. . The study of environmental chemistry involves more than just the . detection of . substances. . Scientists . who study the environment conduct . investigations to . determine whether there is evidence of change in the environment.. Runoff meander . Rill. oxbow lake turbulence. Gully alluvial fan ice age. Stream delta . River. groundwater. . Tributary. sand dune. Drainage basin . Divide. . abrasion. . Flood . Chapter 9 - Section 3, 4, 5, and 6. How Water Erodes. Most sediment washes or falls into a river as a result of mass movement and runoff. Other sediment erodes from the bottom or sides of the river. Streams carry sediment in several . Finley’s 6. th. grade Science. Table of contents. How science works pg 1-2. Scientific Method pg 3-10. Science engineering and tech. pg 9-12. Chapter 1 review pg 13. Mineral Earth’s Jewels pg 15-20. Predict how weathering might reshape surface features (topography). Weathering and Erosion. The top part of the lithosphere—the earth’s surface—changes as rocks are broken down to smaller pieces and carried away.. WHAT IS COASTAL EROSION? Coastal erosion is the endless reshaping of shorelines by waves, currents, tides, storms, ice, rain and groundwater seepage. Human activities, like construction, dredging, CO