Geologic Time-Mountains and fossils

Why do you think fossils can be found on the top of mountains all over the world?

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What causes tectonic plates to move?

• Heat from Earth's core that drives the convection currents in the mantle

• Gravity's pull on the Earth

• The ocean tides pull the crust around moving the plates

• Heat from the Earth's core drives the convection current sin the inner of the Earth

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

How are mountains formed?

• from cooled magma

• from two tectonic plates colliding

• from two tectonic plates pulling apart

• from sedimentary rocks

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NGSS.MS-ESS2-3

Explain how fossils ended up on the mountains? What does this tell you about the area in the past?

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

The Appalachian mountains appear smooth and are not as tall and pointy as the Rocky mountains. What does this tell us about the age of the Appalachian mountains?

• the Appalachian mountains are younger than the Rockies

• The Rockies are older than the Appalachian mountains

• The Appalachian Mountains are older than the Rockies.

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NGSS.MS-ESS1-4

NGSS.MS-ESS2-2