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Stack #4506525
| Question | Answer |
|---|---|
| Weathering | the natural process that breaks down and alters rocks and minerals at or near the Earth's surface through physical, chemical, and biological actions, without the movement of the weathered material. |
| Erosion | the process by which natural forces like water, wind, ice, and gravity wear away and transport loose earth materials—such as rock, soil, and sand—from one location to another, thereby changing the landscape. |
| Deposition | the process where wind, water, or glaciers drop eroded materials like sediment, forming new landforms such as deltas or sand dunes. |
| 4 Facts that influenced W.E.D | Water, Ice, Gravity, Wind |
| Cut bank | Where erosion increases on the OUTSIDE of a meander because water speeds up. |
| Point bar | Where deposition happens on the inside of a meander because the water slows down. |
| Till | A jumbal mixture of particles deposited directly by glacial ice. |
| Moraine | A landform that accumulates debris such as rock, sand, and clay. |
| Outwash | Sediment that is mostly sand and gravel that is carried and deposited by meltwater streams flowing from a glacier. |
| Esker | A winding ridge of sand and gravel that flows through/under a stagnant glacier. |
| Kettle lake | a block of stagnant glacier when ice melts after being buried in glacial sediment. |
| Erratic | A boulder that differs because of glacial action. |
| Delta | A deposit of sediment caused by a river/stream entering a larger body of water and slowing down the flow of the river water. |
| Alluvial fan | Deposit caused by water slowing as the gradient of a hill or mountain flattens out slowing the water down. |
| Gradient | How steep or flat a section of land is. |
| Load | The amount of Sediment carried by a moving stream/river. |
| Discharge rate | The amount of water that a river or stream carries in a given amount of time. |
| Oxbow lake | A crescent or U shaped body of water formed when a meander of a river is cut off from the main channel due to erosion and sediment deposition, resulting in a new, shorter river path and the abandonment of the curved meander. |
| Shoreline | The place where land and a body of water meet. |
| Sea cave | Forms when waves cut large holes into fractured or weak rock along the base of sea cliffs. |
| Sea arch | Form when wave action eroids sea caves until a hole cuts through a headland. |
| Sea stack | Form when the tops of sea arches collapse and leave behind isolated columns of rock. |
| Beach | An area of shoreline that is made up of material deposited by waves and currents. |
| Wave-cut-platform | Form when a sea cliff is worn back from shore, producing a nearly level platform beneath the water at the base of the cliff. |
| Barrier island | A long, narrow island, usually made of sand, that forms parallel to the shoreline a short distance offshore. |
| Sand bar | An underwater or exposed ridge of sand, gravel, or shell material. |
| Geosphere | The rock portion of Earth, made up of four different layers |
| Asthenosphere | Soft, slow-moving layer beneath Earth's crust |
| Lithosphere | Earth's rigid outer layer, made up of the crust and solid, upper mantle that is broken into plates that move on top of the Asthenosphere. |
| Mantle | Layer beneath Earth's crust that I mostly less solid than the crust. |
| Outer core | Liquid, metal layer surrounding Earth's inner core |
| Inner core | The solid metal center of Earth with high pressure and tempture. |
| Crust | The thin, hard outer layer of Earth |
| Which of the following correctly list Earth's layers from the innermost layer to the outermost layer? | Inner core, Outer core, Mantle, Crust |
| As you travel further into the Earth, the pressure______________ | Increases |
| Which layer is a SOLID metal ball made of mostly nickel and iron? | Outer core. |
| The movement of Earth's plates is caused by convection currents found within which layer? | Mantle |
| Which layer if made of the three different types of rock; igneous, metamorphic, and sedimentary? | Crust |
| Which of the following layers from coldest to hottest? | Crust, Mantle Outer core, Inner core |
| Which layer is responsible for Earth's magnetic field? | Outer core |
| Which of the following best explains why Earth's inner core is solid? | High pressure |
| Which of the following correctly explained the difference between the inner core and the outer core? | The outer core is fluid, and the inner core is a solid |
| Which statement is true? | The mantle is solid but can flow under pressure. |
| Which statement is true? | The inner core is hollow. |
| 3 reasons for heat inside earth's interior? | 1. collisians 2.gravity 3.radioactive decay |
| who came up with the continental drift theory? | Alfred wegner |
| evidence that continental drift exists? | 1.puzzle-like peices 2.fossils 3.glaceirs 4.rock/mountains |
| what does the plate tectonics theory mean? | theory that Earth's lithosphere, crust is of large plates that move around on the top of the Asthenosphere. |
| what does the plate tectonics theory support? | Pangaea |
| 3 peices of evidence that is supporting sea-floor spreading? | 1.older rocks are further from mid-ocean ridges 2.pillow lava 3.magnetic reversal |
| what happens to old oceanic crust as new material risis form the mantle? | It gets pushed aside and recycled to the Earth. |
| a device that scientists use to map the ocean floor? | sonar scanner |
| the feature on the ocean floor at C is called a? | deep-ocean trench |
| Cont.-Cont. | -collision -2 continental crust collides, buckles up pushing the crust up. |
| continental-oceanic: | -ocean crust crashes into cont. crust subduction: the denser crust (oceanic) slides under the less-dense crust (cont. crust) |
| oceanic-oceanic: | denser ocean plate slides under the less dense ocean plate subduction:trench under the water. |
| continental-continental Landforms Created |
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