Are Sharks Really Older Than the North Star?

Are Sharks Really Older Than the North Star?

Assessment

Interactive Video

Science, Physics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video explores the viral claim that sharks are older than Polaris, the North Star. It discusses the evidence supporting the ancient existence of sharks, including fossil records and DNA analysis. The video then shifts to astronomy, explaining the trinary star system of Polaris and the age discrepancies among its stars. Various hypotheses are presented to explain these differences, including the possibility of a stellar merger or a binary system. The video concludes by highlighting other stars younger than sharks, such as Sirius A and Betelgeuse.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of sharks being older than Polaris?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What evidence supports the claim that sharks are very old?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How do scientists estimate the age of sharks?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the relationship between Polaris A and Polaris B.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What challenges do astronomers face in determining the age of stars?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What are some hypotheses regarding the age difference between Polaris A and B?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the most mind-blowing fact mentioned about stars in relation to sharks?

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