SCI 100 Midterm review

SCI 100 Midterm review

Assessment

Flashcard

others

Hard

Created by

Alisha Spaulding

FREE Resource

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29 questions

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1.

FLASHCARD QUESTION

Front

What is the geologic time scale used for?

Back

To organize Earth's history based on rock layers

2.

FLASHCARD QUESTION

Front

Which event marks the beginning of the Mesozoic Era?

Back

Breakup of the supercontinent Pangaea

3.

FLASHCARD QUESTION

Front

How do scientists determine the age of rock layers?

Back

By analyzing fossils found in the layers

4.

FLASHCARD QUESTION

Front

Fossils found in the lowest layers of sedimentary rock are:

Back

Older than fossils found in the higher layers

5.

FLASHCARD QUESTION

Front

What drives the movement of magma within Earth’s mantle?

Back

Convection currents caused by heat

6.

FLASHCARD QUESTION

Front

What happens when magma breaks through the crust, flows over Earth's surface, and cools?

Back

It forms new layers of rock on the surface.

7.

FLASHCARD QUESTION

Front

What occurs in Earth's mantle that causes the tectonic plates to move?

Back

Convection currents in the magma

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