16._What_causes_tectonic_plate_movement_PPT.pptx
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Tectonic plates move due to three main forces: 1) Mantle convection causes hot rock to rise and cooler rock to sink, carrying tectonic plates along similar to a conveyor belt. 2) Ridge push occurs as dense rock moves down slopes created by heated rock at mid-ocean ridges, pushing plates away. 3) Slab pull takes place at subduction zones, where the leading edge of a dense plate pulls the rest of the plate with it under a less dense plate.
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I apologize, I do not have enough context to determine what specific agency the question is referring to. Could you please rephrase the question or provide more details?
Ch. 2, section 3 Internal Forces
The movement of tectonic plates causes various geological phenomena including volcanoes, mountains, and earthquakes. There are three types of plate boundaries - divergent where plates move apart, convergent where they collide in subduction or collision zones, and transform where they slide past each other. Earthquakes occur when stress builds up at faults until the plates suddenly slip, releasing energy. Large earthquakes can generate tsunamis through displacement of water. Volcanoes form at plate boundaries as magma rises from below the crust.
1
Earthquakes are caused by the release of elastic strain energy stored in rocks along faults. The Earth's surface consists of tectonic plates that are constantly moving due to convection currents in the mantle. Where the plates meet, they can collide, move apart, or move past each other, building up stress. If the stress becomes too great, the rocks suddenly slip along a fault, releasing energy in waves called seismic waves. There are two main types of earthquakes - interplate quakes at plate boundaries and intraplate quakes within plates. Fault slip during quakes can be vertical, horizontal, or lateral.
Week1Plate-Tectonics.pdf
The document discusses plate tectonics and earthquakes. It describes how the Earth's crust is broken into tectonic plates that move slowly over time, interacting at their boundaries in ways that cause earthquakes and volcanic activity. During an earthquake, seismic waves travel outward from the epicenter, including P waves, S waves, and surface waves. Seismographs are used to detect and measure these waves to determine the location and magnitude of earthquakes.
plate_tectonics.pdf
Plate tectonics describes the large rigid plates that make up the Earth's surface and their movement over time. Convection currents in the Earth's mantle provide the driving force that causes plates to move at rates of 1-10 cm per year. Plates interact at boundaries which can be divergent, convergent, or transform. Features associated with plate boundaries include volcanoes, earthquakes, mountains, and ocean trenches.
Tectonics2
The document discusses plate tectonics and how it shapes the Earth's surface over time. It introduces key terms like crust, mantle, core, tectonic plates, continental drift, faults, folding, uplift, volcanoes, earthquakes, and landforms they create. The core idea is that tectonic plates slowly move and interact, causing mountains to form, volcanoes to erupt, and earthquakes to occur at plate boundaries.
Webquest answers
This document provides an overview of plate tectonics through a webquest containing various links about the theory. It discusses how convection in the mantle drives the movement of tectonic plates, and how this causes earthquakes and volcanic activity at plate boundaries. The document also explores earlier theories on the shifting of continents and formation of geological features, and how data like fossil and magnetic evidence supports the modern theory of plate tectonics.
Edible Tectonics
The document describes an activity where students model plate tectonics using a candy bar. They crack the chocolate to represent lithospheric plates and pull it apart to expose the caramel representing magma. When plates are pulled apart it models divergent boundaries, when pushed together it can model convergent boundaries forming mountains or one plate subducting. The activity aims to demonstrate how the flow of material in Earth's asthenosphere causes plate motions.
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16._What_causes_tectonic_plate_movement_PPT.pptx
- 1. Plate Movement What causes tectonic plates to move?!?!
- 2. What causes tectonic plates to move? 1. Mantle Convection 2. Ridge Push 3. Slab Pull
- 3. What causes tectonic plates to move? 1. Mantle Convection 2. Ridge Push 3. Slab Pull How Tectonics Plates Move Description of Movement 1. Convection 2. Ridge Push 3. Slab Pull
- 4. What causes tectonic plates to move? 1. Mantle Convection 2. Ridge Push 3. Slab Pull How Tectonics Plates Move Description of Movement 1. Convection Hot rock rises and cooler rock sinks which pushes the heated rock up. Plates get carried by this movement. (like a conveyor belt at the grocery store) 2. Ridge Push 3. Slab Pull
- 5. What causes tectonic plates to move? 1. Mantle Convection 2. Ridge Push 3. Slab Pull How Tectonics Plates Move Description of Movement 1. Convection Hot material rises and cooler material sink(denser) which pushes the heated material up. Plates get carried by this movement. 2. Ridge Push The dense rock responds to gravity by moving down the slope created from heated rock. This force then pushes the rest of the plate away from the mid- ocean ridge. 3. Slab Pull
- 6. What causes tectonic plates to move? 1. Mantle Convection 2. Ridge Push 3. Slab Pull How Tectonics Plates Move Description of Movement 1. Convection Hot material rises and cooler material sink(denser) which pushes the heated material up. Plates get carried by this movement. 2. Ridge Push The dense rock responds to gravity by moving down the slope created from heated rock. This force then pushes the rest of the plate away from the mid- ocean ridge. 3. Slab Pull At subduction zones, leading edge of the denser plate pulls the rest of the plate with it under the less dense plate.
- 7. What’s Next? In Google Classroom, make a copy of and then read and mark-up the text labeled: 16.1 Reading: Ridge Push/Slab Pull DIRECTIONS FOR MARKING UP ELECTRONIC TEXT: 1. Read the article one time through. 2. Under each heading, highlight or underline at least three key ideas 3. Find an image of each type of movement and paste it into the box at the end of the reading. 4. Include a caption in your own words as to what is occurring in the image. It should describe the process going on, not just say, “this is ridge push”