Supercontinents

Front

What is a supercontinent?

Back

A supercontinent is a large landmass that is made up of multiple continents joined together. An example is Pangaea.

Front

When did the most recent supercontinent, Pangaea, exist?

Back

Pangaea existed about 300 million years ago.

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How many continents are there on Earth today?

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There are 7 continents on Earth today.

Front

Why is it unusual to find a tropical fossil in Wyoming?

Back

It is unusual because Wyoming is not a tropical location.

Front

What evidence supports the existence of supercontinents like Pangaea?

Back

Evidence includes fossil records and the shapes of landmasses.

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What are fossils?

Back

Fossils are the preserved remains or traces of ancient organisms.

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What is continental drift?

Back

Continental drift is the theory that continents move slowly over the Earth's surface.

Front

What is the significance of fossil records in understanding Earth's history?

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Fossil records provide evidence of past life and help scientists understand how species and environments have changed.

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What are tectonic plates?

Back

Tectonic plates are large sections of the Earth's crust that move and interact with each other.

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What is the theory of plate tectonics?

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The theory of plate tectonics explains how the Earth's plates move and how this movement affects geological features.