Big Changes on Earth p. 290-291

Continental drift is the theory stating that the continents are ​ (a)  

• moving apart slowly.
• staying still
• disappearing suddenly

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Click on the shaded area of the map that shows evidence that the mesosaurus existed in both Africa and South America

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NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Click on the fossil as shown in this map that gives us the STRONGEST evidence that all these continents were joined at one time.

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NGSS.MS-ESS2-3

There are 7 continents today. However, scientists have found evidence to support the theory that there was once one large supercontinent named

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

A strong piece of evidence for continental drift is the presence of fossils of the ​ (a)   on both sides of the Atlantic Ocean. It was a freshwater reptile that would not be able to swim across an entire ocean!

• Mesosaurus
• Tyrannosaurus Rex
• Velociraptor

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NGSS.MS-LS4-1

Alfred Wegener discovered strong evidence for continental drift. This evidence included which of the following:

• Similar fossils in different continents across oceans from each other

• Rock layers of similar age and composition on different continents across oceans form each other

• Some continents had very different groups of people who spoke the same languages and wore the same clothes.

• Some continents had similar names and had several similar landforms that suggest they were joined at some point.

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Mesosaurus fossils prove that Pangea was joined together during the late ​ (a)   . The supercontinent slowly broke apart during the ​ (b)   forming the continents we know today.

• Paleozoic Era
• Jurassic Period
• Cretaceous Era
• Mesozoic Era

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NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Select ALL the countries below in which Mesosaurus fossils can be found:

• South America

• Africa

• Antarctica

• Australia

• India

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NGSS.MS-ESS2-3

NGSS.MS-LS4-1

The ability to determine if something is older or younger than something else. It doesn't indicate how old something is, only the sequence of events.

There are ___ continents on Earth today!