99 Years Later... We Solved It

99 Years Later... We Solved It

Assessment

Interactive Video

Physics, Science

10th - 12th Grade

Hard

Created by

Quizizz Content

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The video explores the mystery of moving rocks in Death Valley's Racetrack Playa. For over a century, these rocks left trails across the desert floor, baffling scientists. In 2014, cousins Richard and James Norris solved the mystery, discovering that thin sheets of ice, driven by light winds, move the rocks. This finding challenged previous theories and inspired global interest. The video also highlights the impact of this discovery on the scientific community and young learners, emphasizing the importance of curiosity and perseverance in scientific inquiry.

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10 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What was the first recorded account of the moving rocks, and who discovered it?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the experiment conducted by Richard and James Norris to solve the mystery of the moving rocks.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the characteristics of Death Valley that make it unique for this phenomenon?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What role does ice play in the movement of the rocks?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the relationship between wind and the movement of the rocks.

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What was the significance of the seiche event mentioned in the text?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

How did the cousins' findings impact the scientific community?

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