TED-Ed: How do oysters make pearls? | Rob Ulrich
Interactive Video
•
Engineering, Chemistry, Science
•
KG - University
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
The video explores the formation and composition of pearls, highlighting their beauty and the role of calcium carbonate. It explains how calcium carbonate is abundant in nature and used by mollusks to create diverse shell structures. The video delves into the properties of nacre, a strong and iridescent biomaterial, and describes how mollusks use it to form pearls as a defense mechanism against intruders.
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3 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
What is nacre and why is it significant in mollusk shells?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Describe the process by which a mollusk forms a pearl.
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
How does the structure of nacre contribute to its iridescence?
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