Compare three plate-boundary motions
See this course’s project requirements
An Earth-system evidence board linking a rock cycle, plate-boundary model, earthquake/volcano distribution and a cautious geological explanation.
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What to include
- Separate mineral, rock and geological process cards.
- Draw a branching rock-cycle route with process labels.
- Compare divergent, convergent and transform motion.
- Interpret supplied earthquake/volcano patterns with an exception.
- Distinguish hazard probability and post-onset warning from exact prediction.
- Build a bounded landform evidence board and complete changed cases.
Review and revise
Use these criteria to check your work and choose what to improve.
- Method: applies the course-specific rules to the supplied cases with visible intermediate work.
- Accuracy: results agree with the stated facts, units, boundaries and independent checks.
- Reasoning: explains why the result follows and identifies a limitation or unresolved question.
- Transfer: completes changed cases and revises the final project when a relevant assumption changes.
Want more background?
The idea in everyday life
Fictional boundaries: D—two oceanic plates move apart and new crust forms; C—an oceanic plate descends beneath a continental plate; T—two plates slide laterally past each other. Paper arrows only; no physical demonstration is required.
Divergent boundaries separate plates; convergent boundaries bring them together; transform boundaries have lateral motion past one another. At a supplied oceanic subduction case, one plate descends beneath another; not every convergent setting has identical features. Motion models describe geological processes, not a forecast for a specific day.
Compare three plate-boundary motions — worked practice
Divergent boundaries separate plates; convergent boundaries bring them together; transform boundaries have lateral motion past one another. At a supplied oceanic subduction case, one plate descends beneath another; not every convergent setting has identical features. Motion models describe geological processes, not a forecast for a specific day.
Fictional boundaries: D—two oceanic plates move apart and new crust forms; C—an oceanic plate descends beneath a continental plate; T—two plates slide laterally past each other. Paper arrows only; no physical demonstration is required.
1. 1. D
Draw arrows away from the shared boundary.
You should see: D is divergent; the supplied model includes new crust.
2. 2. C
Draw approaching arrows and one descending plate.
You should see: C is convergent with subduction in this case.
3. 3. T
Draw opposite arrows along the boundary.
You should see: T is transform with lateral relative motion.
4. 4. Compare
State what each motion does and keep setting limits.
You should see: Separating, approaching/subducting and sliding are distinct; a continental collision needs additional details.
What to finish
Three labeled plate-motion diagrams with setting limits.
Watch for this
The case supplies an oceanic subduction setting. Continental collision and other details can produce different features, so avoid a universal single-case description.
How can I tell I understand it?
Classify a changed lateral boundary using the motion rather than a guessed landform.
Quick knowledge check
Answer all 3 questions. Get at least 2 right and the lesson completes automatically.
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Answer all 3 questions above and get at least 2 right. You can review the explanations and try again.
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Source & access notes · checked 2026-10-01
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