Earth Science: Erosion by Water

CONCEPT: Erosion by Water

Lesson Objectives:

By the end of this lesson, Sage should be able to:

  • Define erosion by water.
  • Distinguish between weathering and erosion.
  • Identify landforms caused by water erosion.
  • Describe erosional land features created by waves, longshore currents, rivers, floods, and glaciers.

Overarching Questions:

  • How and why is Earth constantly changing?

Focus Questions:

  • How do the properties and movements of water shape Earth’s surface and affect its systems?

Lesson Questions:

  • What is the difference between weathering and erosion?
  • What is erosion by water?
  • How do human activities impact erosion by water?
  • How does erosion caused by rivers differ from erosion caused by glaciers or erosion caused by floods?
  • What are some landforms created by erosion by water?

Essential Standards

  • 2.A – plan and implement comparative and descriptive investigations by making observations, asking well-defined questions, and using appropriate equipment and technology;
  • 2.B – design and implement experimental investigations by making observations, asking well-defined questions, formulating testable hypotheses, and using appropriate equipment and technology;
  • 2.C – collect and record data using the International System of Units (SI) and qualitative means such as labeled drawings, writing, and graphic organizers;
  • 2.C – learn new language structures, expressions, and basic and academic vocabulary heard during classroom instruction and interactions;
  • 2.E – analyze data to formulate reasonable explanations, communicate valid conclusions supported by the data, and predict trends.
  • 3.7.8.C – model the effects of human activity on groundwater and surface water in a watershed. (Supporting Standard)
  • 4.A – use appropriate tools to collect, record, and analyze information, including life science models, hand lens, stereoscopes, microscopes, beakers, Petri dishes, microscope slides, graduated cylinders, test tubes, meter sticks, metric rulers, metric tape measures, timing devices, hot plates, balances, thermometers, calculators, water test kits, computers, temperature and pH probes, collecting nets, insect traps, globes, digital cameras, journals/notebooks, and other equipment as needed to teach the curriculum; and
  • 4.F – use visual and contextual support and support from peers and teachers to read grade-appropriate content area text, enhance and confirm understanding, and develop vocabulary, grasp of language structures, and background knowledge needed to comprehend increasingly challenging language;
  • 8.B – analyze the effects of weathering, erosion, and deposition on the environment in ecoregions of Texas; and
  • 8.C – model the effects of human activity on groundwater and surface water in a watershed.

 

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  One thought on “Earth Science: Erosion by Water

  1. September 10, 2014 at 1:12 am

    1. What is the difference between weathering and erosion?
    Weathering is the Physical or chemical breakdown of rock into smaller pieces. Erosion is the removal of weathered pieces of rock to another place.

    2. What is erosion by water?
    Water erosion removes sediment from its original location so that it can be moved to a different place.

    3. How do human activities impact erosion by water?
    Humans can increase erosion by building shipping channels along coastlines. They can also increase river erosion by building levees.

    4. How does erosion caused by rivers differ from erosion caused by glaciers or erosion caused by floods?
    Rivers erode fewer pieces of earth materials in the same amount of time compared to floods. Floods can come from too much water in river or other freshwater body. Flooding and erosion can also be caused by ocean tides, or by storm waves or storm surges such as those occurring in hurricanes. Glaciers erode rock and soil over a long time period compared to floods and rivers.

    5. What are some landforms created by erosion by water?
    Erosion by water creates a wide range of landforms. These include canyons, deltas, beaches, caves, and sea cliffs.

    by Sage Hamilton

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