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Bellwork – Review of last week

Bellwork – Review of last week. Write the answers on your bellwork . 1. The inside of the earth is made up of ____ layers, the _______, ________, ________, and ____. 2. The _____ has magma, which flows in a _________ pattern.

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Bellwork – Review of last week

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  1. Bellwork – Review of last week • Write the answers on your bellwork. • 1. The inside of the earth is made up of ____ layers, the _______, ________, ________, and ____. • 2. The _____ has magma, which flows in a _________ pattern. • 3. The crust and mantle are made up of _____, while the inner and outer core are made up of ______. • 4. The theory that there was one super continent is called ________ _______. • 5. The crust is made up of many ______. When they move, we call it ________ _______. • 6. Plates move at boundaries. We call these boundaries _________, __________, & __________.

  2. Agenda • 1. Bellwork (review of layers of the Earth) • 2. Notes, Landform Creation • 3. Videos, Erosion • 4. HW: • Honors – explain the difference between erosion and weatherine • Standard – create a “cartoon strip” with one block for each of the four spheres of the outer Earth. • Remember: Map Quiz on Wednesday, Quiz 2.1 next week

  3. Landform Creation • Objective: To discern the difference between primary and secondary landforms • Question: How are landforms created?

  4. Landform Creation • 4 outer spheres to the Earth • Lithosphere = Earth’s crust, landforms • Hydrosphere = Earth’s water • Biosphere = Earth’s living things (plants, animals, fungi, humans, etc) • Atmosphere = Earth’s gasses, winds, weather

  5. Landform Creation • Landform = a geographical feature of the Earth, created by a natural process

  6. Landform Creation • How are landforms created? • 1. Internal Process (Plate Tectonics): • Example = mountains, volcanoes, islands, fault lines, rift valleys • 2. External Process • Erosion • Weathering • Sediment Deposit

  7. Landform Creation • Erosion = the wearing away of a solid over time by natural causes • Usually happens by wind, water, ice

  8. Landform Creation • Weathering = decomposition of Earth’s materials because of direct contact with the atmosphere/chemicals

  9. Landform Creation • How are Erosion and Weathering Different? • Both wear away at landforms to mold them • Erosion uses wind, water, or ice to move particles to a new location, where it deposits them • Weathering is a process where the particles are gone forever, due to a chemical reaction or decomposition

  10. Landform Creation • Sediment Deposit = when Earth’s particles are carried by wind, water, or ice from erosion elsewhere and left in a new place (deposited)

  11. Landform Creation • Erosion Video • Glacier Video • Weathering Video

  12. Bellwork: Matching • 1. atmosphere • 2. biosphere • 3. hydrosphere • 4. lithosphere • A. rock • B. tree • C. fungus • D. lake • E. groundwater • F. oxygen • G. sandy beach • H. cloud • I. wind • J. grass 4 outer spheres of the Earth Examples – match to sphere

  13. Agenda • 1. Bellwork – Review outer spheres of the Earth (Check HW) • 2. Landform Creation, Finish Notes • 3. Standard: Videos Honors: Google Earth Tour • 4. HW: Standard – Primary/Secondary matching • MAP QUIZ TOMORROW, Quiz 2.1 Next Tuesday

  14. Landform Creation • Primary Landforms = those created through tectonic activity • Secondary Landforms = those created through erosion, weathering, or sediment deposit.

  15. Landform Creation • Alluvial Fan : deposit formed at the bottom of a mountain, valley, or canyon from a fast flowing stream or river

  16. Landform Creation • Valley = deep area between two mountains, carved out by glaciers or rivers

  17. Landform Creation • Canyon: deep ravine between two cliffs carved out by a river

  18. Landform Creation • Delta: landform at the mouth of the river, where it flows into the ocean, where there is a deposit of soil, sand, and rock (good for farming)

  19. Landform Creation • Plateau/Mesa = flat topped mountain or hill, with sides carved by wind over time

  20. Landform Creation • Continental Shelf – a part of the continental crust of a continental plate, is the edge of each continent

  21. Homework • Put these landforms into the chart off the board based on the type of landform they are: • Continental shelf • Fault • Glacier • Plateau • Volcano • Delta • Mountain • Rift Valley • River Valley • *If you don’t know what a landform is, Look it up!

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