Rare Earth Elements

Rare Earth Elements

Assessment

Interactive Video

Science, Biology, Physics, Chemistry

11th Grade - University

Hard

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The video explores lanthanides, their role in the periodic table, and their applications in modern technology. It discusses the challenges of extracting and refining rare earth elements, highlighting environmental and geopolitical issues. The video also covers global dependence on these elements, particularly China's dominance in processing them, and efforts to develop cleaner refining methods.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What are lanthanides and where are they located in the periodic table?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Why are lanthanides and actinides placed at the bottom of the periodic table?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What are some modern technologies that rely on lanthanides?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What challenges are associated with extracting and refining rare earth elements?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How has the dependence on rare earth metals affected international relations, particularly with China?

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