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One type of evidence that strongly supported the Theory of Continental Drift is the fossil record. Fossils of similar types of plants and animals in rocks of a similar age have been found on the shores of different continents, suggesting that the continents were once joined.In the early part of the 20th century, scientists began to put together evidence that the continents could move around on Earth’s surface. The evidence for continental drift included the fit of the continents; the distribution of ancient fossils, rocks, and mountain ranges; and the locations of ancient climatic zones.Modern continents hold clues to their distant past. Evidence from fossils, glaciers, and complementary coastlines helps reveal how the plates once fit together. Fossils tell us when and where plants and animals once existed.
What was the evidence for continental drift?
In the early part of the 20th century, scientists began to put together evidence that the continents could move around on Earth’s surface. The evidence for continental drift included the fit of the continents; the distribution of ancient fossils, rocks, and mountain ranges; and the locations of ancient climatic zones.
What provides evidence for continental drift and plate tectonics?
Modern continents hold clues to their distant past. Evidence from fossils, glaciers, and complementary coastlines helps reveal how the plates once fit together. Fossils tell us when and where plants and animals once existed.
How Do We Know Plate Tectonics Is Real?
Images related to the topicHow Do We Know Plate Tectonics Is Real?
What is evidence for plate tectonics?
There is variety of evidence that supports the claims that plate tectonics accounts for (1) the distribution of fossils on different continents, (2) the occurrence of earthquakes, and (3) continental and ocean floor features including mountains, volcanoes, faults, and trenches.
What is plate tectonic movement?
The movement of the plates creates three types of tectonic boundaries: convergent, where plates move into one another; divergent, where plates move apart; and transform, where plates move sideways in relation to each other. They move at a rate of one to two inches (three to five centimeters) per year.
How does plate motion lead to continental drift?
The crust is broken up into giant tectonic plates that ride atop the magma, hot melted-rock material that makes up much of the interior of the Earth. Over millions of years, the continents drift into new configurations. Convection in the molten rock of Earth’s mantle drives the movement of the plates.
What are the 5 evidences of plate movements?
- Shape of continents. From almost the creation of the first true maps of the Earth, people started seeing how continents would be able to fit together. …
- Location of mountains and fossils. …
- Earthquakes and Volcanoes. …
- Hot Spot Volcanoes.
What Is Pangaea Plate Tectonic? | CONTINENTAL DRIFT | The Dr Binocs Show | Peekaboo Kidz
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See some more details on the topic What is the evidence for Continental Drift and plate tectonics? here:
Continental Drift versus Plate Tectonics – National Geographic …
Plate tectonics explains why Earth’s continents are moving; the theory of continental drift did not provide an explanation. Therefore, the …
Continental Drift and Plate Tectonics
Alfred Wegener, in the first three decades of this century, and DuToit in the 1920s and 1930s gathered evidence that the continents had moved. They based their …
Fossil Evidence – The Geological Society
If Continental Drift had not occurred, the alternative explanations would be: The species evolved independently on separate continents – contradicting Darwin’s …
5.5: Continental Drift – Geosciences LibreTexts
The evidence for continental drift included the fit of the continents; the distribution of ancient fossils, rocks, and mountain ranges; and the …
What type of evidence for the plate tectonic theory is provided when scientist discovered that the magnetic field reverses polarity?
This further provided evidence for plate tectonics. More evidence came when scientist examined the sea floor and saw that there were reversals of polarity of Earth’s magnetic field that was in a striped pattern. The strips of polarity reversal were mirror images on each side of the mid- ocean ridge.
What causes plate tectonics to move?
The plates can be thought of like pieces of a cracked shell that rest on the hot, molten rock of Earth’s mantle and fit snugly against one another. The heat from radioactive processes within the planet’s interior causes the plates to move, sometimes toward and sometimes away from each other.
What are the two main factors of tectonic plates movement?
Heat and gravity are fundamental to the process
The energy source for plate tectonics is Earth’s internal heat while the forces moving the plates are the “ridge push” and “slab pull” gravity forces.
What are the 3 causes of plate movement?
Scientists have theorized three mechanisms that cause plate movement on Earth. These three mechanisms are thermal convection, ridge push, and slab pull.
Evidence of Continental Drift
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How does plate tectonics help explain continental drift and seafloor spreading?
Supporters of continental drift originally theorized that the continents moved (drifted) through unmoving oceans. Seafloor spreading proves that the ocean itself is a site of tectonic activity. Seafloor spreading is just one part of plate tectonics. Subduction is another.
Are earthquakes evidence of plate tectonics?
Earthquakes occur along fault lines, cracks in Earth’s crust where tectonic plates meet. They occur where plates are subducting, spreading, slipping, or colliding. As the plates grind together, they get stuck and pressure builds up.
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