Questions and Answers
What is the theory of continental drift?
What are fossils?
The remains, traces, or imprint of an ancient living thing preserved in rock.
What is a glacier?
A large, slowly moving body of snow and ice.
What is an ice age?
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What is a landmass?
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What is Pangaea?
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What is a supercontinent?
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What does geologic time refer to?
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Study Notes
Continental Drift
- Theory proposing that continents move slowly over time.
- Alfred Wegener introduced the concept of Pangaea, a supercontinent from which the continents diverged.
- Suggests gradual drifting of land masses to their current locations.
Fossil
- Preserved remains or traces of ancient organisms in rock formations.
- Includes various forms such as bones, shells, impressions, and footprints.
- Fossils provide significant insights into Earth's history and biological evolution.
Glacier
- A massive, slowly moving accumulation of snow and ice.
- Glaciers cover vast areas and play a crucial role in shaping Earth's landscape.
Ice Age
- A period characterized by significantly lower global temperatures, resulting in extensive glacial coverage.
- Ice Ages have occurred multiple times throughout Earth's history, profoundly impacting environments and species.
Landmass
- Defined as a substantial, continuous area of land.
- Geographically important for understanding the arrangement and movement of continents.
Pangaea
- A prehistoric supercontinent believed to have existed between 200 to 300 million years ago.
- Pivotal in the study of continental drift and plate tectonics.
Supercontinent
- Refers to a large landmass comprising two or more continents joined together.
- The concept is essential for understanding Earth's geological history and plate movements.
Geologic Time
- A vast timeframe encompassing thousands, millions, and billions of years in Earth's history.
- Helps scientists classify events and changes in Earth's structure and life over extensive periods.
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Test your knowledge on the concepts of continental drift and fossils with these flashcards. Explore the evidence that supports Wegener's theory of Pangaea and understand the significance of fossils in studying ancient life. Perfect for students interested in geology and paleontology.
