That Time North America Tried to Tear Itself Apart

That Time North America Tried to Tear Itself Apart

Assessment

Interactive Video

Science, Geography, Biology, Physics

11th Grade - University

Hard

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The video explores the geological phenomenon known as the Mid Continent Rift, which almost split North America in half during the Boring Billion. It discusses the discovery of the Midcontinent Gravity High, the formation of flood basalts, and the Wilson cycle's role in continental movement. The video also examines passive and active rifting, the Grenville Orogeny's impact, and subsequent geological changes. Despite the rift's failure to form an ocean, it left a significant geological mark, offering insights into Earth's dynamic processes.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the term 'boring billion' in relation to the evolution of life on Earth?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the geological events that led to the formation of the Midcontinent Rift.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How did the mapping of gravity across the US contribute to the understanding of the Midcontinent Rift?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What role did the flood basalts play in the geological history of North America?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the Wilson cycle, and how does it relate to the formation of oceans?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the concept of passive rifting and how it relates to the breakup of Laurentia.

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

Discuss the impact of the Grenville Orogeny on the Midcontinent Rift.

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