Glanz: aiMOOC über GPT aiMOOC Action erstellt

2026-08-27T15:38:13Z

aiMOOC über GPT aiMOOC Action erstellt

Neue Seite

{{T}}
[[Category:English]]
[[Category:Plate Tectonics and Continental Drift]]

{{BR}}
= Introduction =

The ground beneath you seems still, yet Earth's outer shell is divided into moving [[English:Tectonic plate|tectonic plates]]. These plates move only a few centimeters per year in many places, but over millions of years their motion opens oceans, closes seas, raises mountain ranges, shifts continents, and helps produce many earthquakes and volcanoes. '''Plate tectonics''' is the modern scientific theory that explains these large-scale movements and connects them to processes inside Earth.

'''Continental drift''' is an earlier idea that focused on the movement of continents. Alfred Wegener assembled evidence for continental drift in the early twentieth century, but he could not provide a convincing physical mechanism. Later discoveries from ocean-floor mapping, paleomagnetism, seafloor spreading, global earthquake patterns, and direct measurements of plate motion helped scientists develop the much broader theory of plate tectonics.

[[File:Tectonic plates (2022).svg|700px|frameless|center]]

The map above shows Earth's principal tectonic plates and major plate-boundary types. As you work through this aiMOOC, use maps and diagrams as evidence: ask what is moving, in which direction, and what geological features are produced.

{{#ev:youtube|https://www.youtube.com/watch?v=7CPv0NSIG2M|500|center}}

{{BR}}
= Learning Goals =

By the end of this course, you should be able to explain the difference between [[English:Continental drift|continental drift]] and [[English:Plate tectonics|plate tectonics]], describe major lines of evidence for moving continents and plates, compare divergent, convergent, and transform boundaries, relate plate motions to earthquakes, volcanoes, mountain building, and seafloor spreading, interpret geological maps and diagrams, and evaluate how new evidence can strengthen or replace an earlier scientific explanation.

{{BR}}
= Earth's Moving Outer Shell =

{{BR}}
== Lithosphere and Asthenosphere ==

A tectonic plate is not simply a piece of crust. It is a rigid section of the '''lithosphere''', which includes Earth's crust and the rigid uppermost mantle. Beneath the lithosphere lies the hotter, weaker part of the upper mantle called the '''asthenosphere'''. Over geological time, solid mantle rock can deform and flow slowly. The plates move relative to one another above this deformable region.

Plate motion is connected to heat loss from Earth's interior and to gravity. Important forces include '''slab pull''', in which a cold, dense oceanic slab sinks at a subduction zone and pulls the rest of its plate, and '''ridge push''', in which gravity helps lithosphere slide away from elevated mid-ocean ridges. Mantle flow interacts with moving plates as part of the system. No single force explains every plate in exactly the same way.

{{BR}}
== Plates, Continents, and Oceans ==

A plate may carry continental crust, oceanic crust, or both. This distinction matters because continents do not move independently through a fixed ocean floor. Instead, both continents and ocean basins are parts of moving lithospheric plates. Oceanic crust is generally thinner and denser than continental crust, which helps explain why oceanic lithosphere commonly descends into the mantle at subduction zones.

[[File:Tectonic plates boundaries World map Wt 10degE centered-en.svg|700px|frameless|center]]

The arrows on this map help you compare the directions of plate motion. Boundaries are zones of interaction, and the geological effects depend on the relative movement of neighboring plates.

{{BR}}
= Continental Drift: From Hypothesis to Evidence =

{{BR}}
== Alfred Wegener's Proposal ==

In 1912, German scientist [[English:Alfred Wegener|Alfred Wegener]] publicly proposed that continents had moved over geological time. He later developed the idea in his 1915 book ''The Origin of Continents and Oceans''. Wegener argued that today's continents had once been joined in a supercontinent later called '''Pangaea''' and had gradually moved apart.

[[File:Alfred Wegener.jpg|300px|frameless|center]]

Wegener was not the first person to notice that continental outlines seemed to fit, but he brought together several independent types of evidence. This was an important scientific step: a strong explanation should account for many observations, not just one striking pattern.

{{#ev:youtube|https://www.youtube.com/watch?v=O5jQLKWvYBA|500|center}}

{{BR}}
== Evidence Wegener Used ==

'''Continental fit:''' The opposing margins of continents such as South America and Africa show a broad geometric correspondence. The fit is better when scientists compare the edges of the continental shelves rather than only modern shorelines, because coastlines change through erosion, deposition, and sea-level change.

'''Fossils:''' Fossils of the same land or freshwater organisms occur on continents now separated by wide oceans. Examples used in reconstructions include ''Mesosaurus'', ''Glossopteris'', ''Lystrosaurus'', and ''Cynognathus''. Their distributions are easier to explain if the continents were once connected.

[[File:Snider-Pellegrini Wegener fossil map.svg|600px|frameless|center]]

'''Rocks and mountain belts:''' Rock sequences and structures of similar age and type can be traced across oceans when continents are reconstructed. Mountain belts on opposite sides of the Atlantic also align in ways consistent with past connection.

'''Ancient climate evidence:''' Glacial deposits and scratch marks occur in regions that are warm today, while coal and other evidence of ancient warm environments occur in places that are now cold. Continental movement helps explain why a region's latitude and climate can change through geological time.

{{BR}}
== Pangaea and the Changing Map of Earth ==

Pangaea was a supercontinent assembled from major continental blocks. It began breaking apart roughly 200 million years ago. That breakup did not create the present-day map instantly; it began a long sequence of rifting, seafloor spreading, collision, and subduction that continues today.

[[File:Pangea continents and oceans.svg|550px|frameless|center]]

The reconstruction above is a model based on geological evidence. Paleogeographic maps are scientific interpretations, not photographs of the past. They can be revised when better dates, rock correlations, fossil data, or geophysical measurements become available.

{{BR}}
== Why Continental Drift Was Initially Rejected ==

Wegener's evidence suggested that continents had changed position, but his proposed mechanism was not physically convincing. He imagined continents moving through oceanic crust, and critics correctly pointed out major mechanical problems with that idea. This does not mean all of Wegener's observations were wrong. It shows how science can preserve useful evidence while replacing an inadequate mechanism with a better theory.

{{BR}}
= The Seafloor Spreading Breakthrough =

{{BR}}
== Mid-Ocean Ridges and New Oceanic Crust ==

After World War II, improved sonar and marine geophysics revealed a global system of mid-ocean ridges. At many ridges, plates move apart. Hot mantle rises, undergoes decompression melting, and produces magma. The magma cools to form new oceanic crust. As more crust forms, older seafloor is carried away from the ridge. This process is called '''seafloor spreading'''.

[[File:Mid-ocean ridge.png|650px|frameless|center]]

Seafloor spreading provided a mechanism that continental drift lacked: continents are carried as parts of moving plates rather than plowing through stationary ocean floor.

{{BR}}
== Magnetic Stripes: A Record of Motion ==

Basalt contains magnetic minerals that can record the direction of Earth's magnetic field as the rock cools. Earth's magnetic field has reversed polarity many times. On the ocean floor, alternating bands of normal and reversed magnetic polarity occur in broadly symmetrical patterns on opposite sides of many mid-ocean ridges. This pattern is powerful evidence that new crust forms at the ridge and moves outward.

[[File:Oceanic.Stripe.Magnetic.Anomalies.Scheme.svg|650px|frameless|center]]

The magnetic pattern acts like a geological recording. If matching bands occur on both sides of a ridge, scientists can compare their ages and widths to estimate past spreading rates.

{{BR}}
== Age of the Ocean Floor ==

Oceanic crust is generally youngest near mid-ocean ridges and becomes older with distance from them. Very old oceanic lithosphere is relatively scarce because much of it has already been recycled into the mantle at subduction zones.

[[File:Earth seafloor crust age 1996 - 2.png|700px|frameless|center]]

This age pattern supports the idea that oceanic crust is created at spreading centers and removed elsewhere. Seafloor spreading and subduction together explain how plate tectonics can continuously reorganize Earth's surface.

[[File:Seafloor Spreading Sediments Animation.gif|600px|frameless|center]]

The animation adds another clue: where sediment accumulates continuously, it is generally thinner near a spreading center and thicker on older seafloor farther away.

{{BR}}
= Plate Boundaries =

Most large-scale tectonic deformation is concentrated near plate boundaries. For Grades 9–10, three boundary types form the essential framework: divergent, convergent, and transform.

{| class="wikitable"
! Boundary type
! Relative motion
! Typical processes and features
! Example
|-
| '''Divergent'''
| Plates move apart
| Seafloor spreading, mid-ocean ridges, continental rifts, shallow earthquakes, volcanism
| Mid-Atlantic Ridge
|-
| '''Convergent'''
| Plates move toward each other
| Subduction or continental collision, trenches, volcanic arcs, mountain building, earthquakes
| Andes or Himalayas
|-
| '''Transform'''
| Plates slide horizontally past each other
| Strike-slip faulting and mostly shallow earthquakes; crust is neither created nor destroyed
| San Andreas Fault
|}

{{BR}}
== Divergent Boundaries ==

At an oceanic divergent boundary, plates separate and new oceanic lithosphere forms at a mid-ocean ridge. At a continental divergent boundary, the lithosphere stretches and thins, producing rift valleys and faulting. If rifting continues long enough, a new ocean basin may eventually open.

[[File:Continental-continental constructive plate boundary.svg|600px|frameless|center]]

The [[English:East African Rift|East African Rift]] is an active example of continental rifting. It helps scientists study a continent in the process of being stretched and broken into moving blocks.

[[File:East African Rift (ASTER).jpg|600px|frameless|center]]

{{BR}}
== Convergent Boundaries ==

At convergent boundaries, plates move toward each other. The result depends strongly on the type and density of the lithosphere involved.

'''Oceanic–continental convergence:''' Denser oceanic lithosphere commonly subducts beneath continental lithosphere. A deep-ocean trench forms near the boundary, earthquakes occur along the descending slab, and magma generation can feed a continental volcanic arc.

'''Oceanic–oceanic convergence:''' One oceanic plate subducts beneath another. This can produce a trench and a curved chain of volcanic islands called an island arc.

'''Continental–continental convergence:''' Continental crust is relatively buoyant, so after an intervening ocean closes, neither continent is easily carried deep into the mantle. The crust shortens and thickens, producing major mountain belts and strong earthquakes. The Himalayas are a prominent example.

[[File:Subduction-en.svg|650px|frameless|center]]

[[File:Ocean-continent subduction zone.gif|600px|frameless|center]]

Subduction zones are especially important because they recycle oceanic lithosphere and can generate powerful earthquakes, volcanic arcs, and, when the seafloor is displaced, tsunamis.

{{BR}}
== Transform Boundaries ==

At transform boundaries, plates slide laterally past one another. Lithosphere is neither created as at a ridge nor systematically consumed as at a subduction zone. Friction can lock parts of a fault while plate motion continues, allowing elastic strain to build. Sudden fault slip releases energy as an earthquake.

[[File:Transform fault.svg|650px|frameless|center]]

The [[English:San Andreas Fault|San Andreas Fault]] in California is a well-known continental transform boundary between the Pacific Plate and the North American Plate.

[[File:Kluft-photo-Carrizo-Plain-Nov-2007-Img 0327.jpg|650px|frameless|center]]

{{BR}}
= Global Patterns and Geologic Hazards =

Earthquakes and volcanoes are not randomly distributed. Many cluster along plate boundaries. Deep and intermediate-depth earthquakes are especially characteristic of subduction zones because a cold slab can remain brittle as it descends. Transform boundaries commonly produce shallow earthquakes. Divergent boundaries commonly produce shallow earthquakes and volcanism.

[[File:Tectonic plates and ring of fire.png|700px|frameless|center]]

The Pacific '''Ring of Fire''' is a broad zone around much of the Pacific Ocean where numerous subduction zones contribute to frequent earthquakes and volcanism. However, not every volcano lies on a plate boundary. Hotspots such as Hawaii show that volcanism can also occur within a plate.

{{#ev:youtube|https://www.youtube.com/watch?v=Wq9kLzm36h0|500|center}}

{{BR}}
== Earthquakes, Volcanoes, and Tsunamis ==

An '''earthquake''' occurs when stored elastic strain is released by sudden movement along a fault. Plate tectonics explains why many active faults are concentrated near plate boundaries, but individual earthquakes cannot be predicted simply from plate motion.

A '''volcano''' forms where magma reaches Earth's surface. Many volcanoes occur at subduction zones and divergent boundaries, but the magma-forming processes differ. At subduction zones, water and other volatiles released from the descending slab help lower the melting temperature of mantle rock above it. At divergent boundaries, decompression of rising mantle promotes melting.

A '''tsunami''' is a series of long ocean waves caused by a large, sudden displacement of water. Some of the most damaging tsunamis are generated by large undersea earthquakes at subduction zones, although landslides and volcanic activity can also generate tsunamis.

{{BR}}
= Measuring Plate Motion Today =

Modern geodesy allows scientists to measure plate motion directly. Networks of satellite-based positioning stations can track changes in position over time with very high precision. These measurements confirm that plates are moving now, not only that they moved in the geological past.

Scientists also combine earthquake locations, seafloor ages, magnetic anomalies, fault offsets, volcanic chains, and rock records. Agreement among independent data sets is one reason plate tectonics is such a powerful scientific theory.

{{BR}}
= Reading Tectonic Evidence =

When you interpret a tectonic map, begin by identifying the plate boundary and the motion arrows. Then look for patterns in earthquakes, volcanoes, topography, seafloor age, and rock structures. A single observation can be ambiguous, but several independent lines of evidence can support a stronger explanation.

For example, a mid-ocean ridge with young crust at its center, older crust farther away, matching magnetic stripes on both sides, and shallow earthquakes provides multiple observations consistent with seafloor spreading. A deep-ocean trench, a dipping zone of earthquakes, and a nearby volcanic arc together provide evidence for subduction.

{{BR}}
= Scientific Reasoning: From Drift to Tectonics =

The history of continental drift shows how scientific knowledge changes. Wegener assembled evidence for moving continents, but his mechanism was weak. Later researchers mapped the ocean floor, studied Earth's magnetism, discovered systematic seafloor ages, located earthquakes with increasing precision, and developed the idea of seafloor spreading. Together, these findings produced a theory with greater explanatory power.

This history is not a simple story of one scientist being right and everyone else being wrong. Scientific acceptance depends on the quality of evidence, the ability of a model to explain observations, and whether proposed mechanisms are physically plausible. Good science is revised when new evidence demands a better explanation.

{{#ev:youtube|https://www.youtube.com/watch?v=o4Y1kGYxVqo|500|center}}

{{BR}}
= Common Misconceptions =

'''Misconception: Continents float around independently.''' In the modern theory, continents are embedded within lithospheric plates that may include both continental and oceanic regions.

'''Misconception: The asthenosphere is a global ocean of liquid magma.''' Most of the mantle is solid rock. It can deform and flow slowly over long timescales because of high temperature and pressure.

'''Misconception: All plate boundaries produce volcanoes.''' Transform boundaries usually do not produce the same kind of volcanism seen at ridges or subduction zones, and continental collision zones can have little or no arc volcanism.

'''Misconception: Earthquakes happen only at plate boundaries.''' Most tectonic earthquakes occur near boundaries, but intraplate earthquakes also occur within plates.

'''Misconception: Pangaea was Earth's only supercontinent.''' Geological evidence indicates that supercontinents assembled and broke apart before Pangaea as part of long-term tectonic cycles.

{{BR}}
= Interactive Tasks =

{{BR}}
== Quiz: Test Your Knowledge ==

{{MC}}

'''What is a tectonic plate made of?'''
(Rigid lithosphere)
(!Only continental crust)
(!Only oceanic crust)
(!Liquid mantle)

{{E}}
<br>

{{MC}}

'''Which observation was part of Wegener's evidence for continental drift?'''
(Matching fossils on separated continents)
(!Daily tides along coastlines)
(!Seasonal wind directions)
(!The phases of the Moon)

{{E}}
<br>

{{MC}}

'''Where is new oceanic crust mainly created?'''
(At mid-ocean ridges)
(!At transform faults)
(!At continental collision zones)
(!At stable cratons)

{{E}}
<br>

{{MC}}

'''What pattern supports seafloor spreading?'''
(Symmetrical magnetic stripes beside ridges)
(!Random magnetic stripes on continents)
(!Identical tides in every ocean)
(!Equal mountain heights worldwide)

{{E}}
<br>

{{MC}}

'''What usually happens at a transform boundary?'''
(Plates slide past each other)
(!Plates move apart)
(!One plate always subducts)
(!A new continent forms instantly)

{{E}}
<br>

{{MC}}

'''Which feature commonly forms at an oceanic continental convergent boundary?'''
(A subduction zone)
(!A mid-ocean ridge)
(!A passive margin)
(!A stable shield)

{{E}}
<br>

{{MC}}

'''Why is oceanic crust generally younger than much continental crust?'''
(It is continually created and recycled)
(!It formed after humans appeared)
(!It cannot contain igneous rock)
(!It never moves beneath continents)

{{E}}
<br>

{{MC}}

'''What is Pangaea?'''
(A former supercontinent)
(!A modern tectonic plate)
(!A type of seismic wave)
(!A volcanic island chain)

{{E}}
<br>

{{MC}}

'''Which modern method directly measures present plate motion?'''
(Satellite geodesy)
(!Fossil classification)
(!Cloud photography)
(!Tree ring counting)

{{E}}
<br>

{{MC}}

'''Why was Wegener's original mechanism criticized?'''
(It did not convincingly explain how continents moved)
(!It denied that fossils existed)
(!It claimed Earth had no oceans)
(!It required daily magnetic reversals)

{{E}}
<br>

{{BR}}
== Memory Game ==

<div class="memo-quiz">
{|
|-
| Lithosphere || Rigid outer shell that is broken into moving plates
|-
| Asthenosphere || Hotter weak upper-mantle region beneath the rigid shell
|-
| Pangaea || Former supercontinent that later broke apart
|-
| Subduction || Descent of one tectonic slab beneath another
|-
| Divergent boundary || Zone where neighboring plates move apart
|-
| Convergent boundary || Zone where neighboring plates move toward each other
|-
| Transform boundary || Zone where neighboring plates slide laterally past each other
|-
| Paleomagnetism || Study of magnetic records preserved in rocks
|}
{{E}}
<br>

{{BR}}
== Drag and Drop ==

<div class="lueckentext-quiz">

{| class="wikitable"
! Match the correct terms.
! Topic
|-
| '''Divergent boundary'''
| Mid-ocean ridge
|-
| '''Convergent boundary'''
| Deep-ocean trench
|-
| '''Transform boundary'''
| San Andreas Fault
|-
| '''Continental drift'''
| Alfred Wegener
|-
| '''Paleomagnetism'''
| Symmetrical magnetic stripes
|}
{{E}}

<br>
...
<br />

{{BR}}
== Crossword Puzzle ==

<div class="kreuzwort-quiz">
{|
|-
| Wegener || Which scientist assembled major early evidence for continental drift?
|-
| Pangaea || What was the supercontinent central to Wegener's reconstruction?
|-
| Lithosphere || What rigid outer layer is divided into tectonic plates?
|-
| Subduction || What process carries one plate beneath another?
|-
| Ridge || What elevated seafloor feature forms at many divergent boundaries?
|-
| Paleomagnetism || What field studies ancient magnetic records preserved in rocks?
|}
{{E}}
<br>

{{BR}}
== LearningApps ==

<iframe> https://learningapps.org/index.php?s=Plate+Tectonics+and+Continental+Drift </iframe>

{{BR}}
== Cloze Text ==

<quiz display=simple>
{'''Complete the text.'''<br>
|type="{}"}
Earth's rigid outer shell is the { lithosphere }. Beneath it lies the weaker upper-mantle region called the { asthenosphere }. Alfred Wegener used several lines of evidence to support { continental drift }. He proposed that the continents had once formed a supercontinent called { Pangaea }. New oceanic crust forms mainly at { mid-ocean ridges }. Matching bands of magnetic polarity provide evidence for { seafloor spreading }. At many convergent boundaries, dense oceanic lithosphere sinks in a process called { subduction }. At a transform boundary, plates move { laterally }. Satellite geodesy can directly measure modern { plate motion }. Plate tectonics helps explain global patterns of earthquakes, volcanoes, ocean basins, and { mountain building }.
</quiz>

<br>

{{BR}}
= Open-Ended Tasks =

{{BR}}
=== Easy ===
# [[English:Plate Boundary Sketch|Plate Boundary Sketch]]: Draw and label one divergent, one convergent, and one transform boundary. Add arrows to show plate motion and one landform or hazard for each boundary.
# [[English:Continental Puzzle|Continental Puzzle]]: Print or trace simplified continent outlines, reconstruct a possible Pangaea, and write a short explanation of which shapes and geological clues make your reconstruction convincing.
# [[English:Tectonic Vocabulary Comic|Tectonic Vocabulary Comic]]: Create a four-panel comic that correctly uses the words plate, boundary, earthquake, and subduction in a scientific story.
# [[English:Media Observation Log|Media Observation Log]]: Choose two diagrams or videos in this course and record three observations from each before writing one question that the media made you want to investigate.

{{BR}}
=== Standard ===
# [[English:Magnetic Stripe Model|Magnetic Stripe Model]]: Make a paper-strip model of symmetrical magnetic bands on both sides of a ridge, then explain how your model represents repeated crust formation and magnetic reversals.
# [[English:Local Hazard Map|Local Hazard Map]]: Research whether your region is near an active fault, volcano, or plate boundary, create a sourced map, and explain what tectonic processes are relevant there.
# [[English:Wegener Evidence Report|Wegener Evidence Report]]: Write a one-page evidence brief evaluating continental fit, fossils, rocks, and paleoclimate clues, and rank the evidence by how strongly it supports past continental connection.
# [[English:Geologist Interview|Geologist Interview]]: Interview a geoscientist, science teacher, museum educator, or engineering professional about how plate tectonics matters in their work, then summarize the strongest new insight.

{{BR}}
=== Advanced ===
# [[English:Plate Motion Data Investigation|Plate Motion Data Investigation]]: Find a reliable set of modern plate-motion or GPS data, compare the motion of at least three locations, and explain how the measurements support the plate-tectonic model.
# [[English:Tectonic Hazard Case Study|Tectonic Hazard Case Study]]: Produce a short documentary video about one major earthquake, volcanic eruption, or tsunami, connecting the event to its plate setting and distinguishing hazard from disaster risk.
# [[English:Museum or Field Investigation|Museum or Field Investigation]]: Visit a geology museum, science center, rock exposure, or mapped fault area with appropriate supervision, document at least three observations, and connect each one to a tectonic process.
# [[English:Future Earth Scenario|Future Earth Scenario]]: Use current plate-motion directions to create a reasoned map of how selected continental positions might change tens of millions of years from now, clearly separating evidence-based trends from speculation.

{{:Open Task - Create a MOOC}}

{{BR}}
= Learning Assessment =

# [[English:Evidence Chain|Evidence Chain]]: Given a map with a ridge, magnetic stripes, and seafloor ages, construct a claim-evidence-reasoning explanation for seafloor spreading and identify one additional observation that would strengthen the conclusion.
# [[English:Boundary Diagnosis|Boundary Diagnosis]]: Analyze an unfamiliar tectonic cross-section and infer the boundary type from motion, earthquake depth, volcano location, and topography; justify every clue you use.
# [[English:Theory Comparison|Theory Comparison]]: Compare Wegener's continental drift hypothesis with modern plate tectonics, explaining what evidence was retained, what mechanism changed, and why the later theory has greater explanatory power.
# [[English:Hazard Transfer|Hazard Transfer]]: Apply plate-boundary knowledge to two different regions and predict which hazards are most plausible in each; explain why the same hazard profile should not be expected everywhere.
# [[English:Data Reliability|Data Reliability]]: Evaluate two conflicting tectonic maps or reconstructions by considering source quality, measurement type, uncertainty, date, and whether several independent lines of evidence agree.
# [[English:Model Limitation|Model Limitation]]: Choose one classroom model of plate tectonics and explain both what it represents well and what it misrepresents about real Earth materials, scales, rates, or forces.

<br>
<br>

{{BR}}
= Evidence of Learning =

{| class="wikitable"
! Area
! Evidence you can present
|-
| '''Knowledge'''
| Accurate explanations of lithosphere, plate motion, continental drift, seafloor spreading, subduction, and the three major plate-boundary types
|-
| '''Scientific reasoning'''
| Claims supported by several independent observations such as fossils, rock matches, magnetic stripes, seafloor ages, earthquake patterns, or geodetic measurements
|-
| '''Skills'''
| Correct interpretation of maps, cross-sections, movement arrows, data patterns, and geological evidence
|-
| '''Products'''
| A labeled model, map, report, interview summary, data investigation, presentation, image sequence, or short video that communicates tectonic processes clearly
|-
| '''Transfer'''
| Ability to use plate-tectonic principles to explain an unfamiliar landform or hazard setting and to state the limits of the available evidence
|}

Strong evidence of learning does more than repeat definitions. It shows that you can connect observations to mechanisms, compare explanations, identify uncertainty, and apply the theory to a new case.

<br>
<br>

{{BR}}
= OERs on the Topic =

<iframe> https://en.m.wikipedia.org/wiki/Plate_tectonics </iframe>

<iframe> https://en.m.wikipedia.org/wiki/Continental_drift </iframe>

The U.S. Geological Survey provides a freely accessible introduction to the history and evidence of plate tectonics: [https://pubs.usgs.gov/gip/dynamic/ This Dynamic Earth].

A USGS classroom resource lets learners reconstruct continents using evidence associated with Wegener: [https://www.usgs.gov/educational-resources/wegeners-puzzling-continental-drift-evidence Wegener's Puzzling Continental Drift Evidence].

Wikimedia Commons hosts the freely licensed and public-domain media used throughout this course. You can open any image on the wiki to inspect its file page, source, author, and reuse license.

<br>

{{BR}}
= Linked Learning Areas =

{| align=center
{{:D-Tab}}
'''[[English:Plate Tectonics and Continental Drift|Plate Tectonics and Continental Drift]]'''
# [[English:Plate tectonics|Plate tectonics]]
# [[English:Continental drift|Continental drift]]
# [[English:Seafloor spreading|Seafloor spreading]]
# [[English:Subduction|Subduction]]
# [[English:Pangaea|Pangaea]]
# [[English:Earthquake|Earthquake]]
# [[English:Volcano|Volcano]]
# [[English:Tsunami|Tsunami]]
# [[English:Geologic time scale|Geologic time scale]]
|}

[[Category:English]]
[[Category:Plate Tectonics and Continental Drift]]
[[Category:Science]]
[[Category:Earth Science]]
[[Category:Geology]]
[[Category:Geography]]
[[Category:Physical Geography]]
[[Category:Natural Sciences]]
[[Category:STEM Education]]
[[Category:Grades 9-10]]
[[Category:AI_MOOC]]
[[Category:GPT aiMOOC]]

{{BR}}
= aiMOOC Projects =
[[Category:AI_MOOC]] [[Category:GPT aiMOOC]]
{{MT}}

English:Plate Tectonics and Continental Drift - Versionsgeschichte

Glanz: aiMOOC über GPT aiMOOC Action erstellt