Download - Bellwork – Review of last week
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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 _________, __________, & __________.
Bellwork – Review of last week
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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
Agenda
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Objective: To discern the difference between primary and secondary landforms
Question: How are landforms created?
Landform Creation
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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
Landform Creation
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Landform = a geographical feature of the Earth, created by a natural process
Landform Creation
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How are landforms created?
◦ 1. Internal Process (Plate Tectonics): Example = mountains, volcanoes, islands, fault lines,
rift valleys
◦ 2. External Process Erosion Weathering Sediment Deposit
Landform Creation
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Erosion = the wearing away of a solid over time by natural causes◦ Usually happens by wind, water, ice
Landform Creation
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Weathering = decomposition of Earth’s materials because of direct contact with the atmosphere/chemicals
Landform Creation
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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
Landform Creation
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Sediment Deposit = when Earth’s particles are carried by wind, water, or ice from erosion elsewhere and left in a new place (deposited)
Landform Creation
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Erosion Video
Glacier Video
Weathering Video
Landform Creation
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Bellwork: Matching
4 outer spheres of the Earth
Examples – match to sphere
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
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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
Agenda
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Primary Landforms = those created through tectonic activity
Secondary Landforms = those created through erosion, weathering, or sediment deposit.
Landform Creation
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Alluvial Fan : deposit formed at the bottom of a mountain, valley, or canyon from a fast flowing stream or river
Landform Creation
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Valley = deep area between two mountains, carved out by glaciers or rivers
Landform Creation
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Canyon: deep ravine between two cliffs carved out by a river
Landform Creation
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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)
Landform Creation
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Plateau/Mesa = flat topped mountain or hill, with sides carved by wind over time
Landform Creation
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Continental Shelf – a part of the continental crust of a continental plate, is the edge of each continent
Landform Creation
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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!
Homework