TED-Ed: Magical metals, how shape memory alloys work - Ainissa Ramirez
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KG - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary characteristic of shape memory alloys?
They are transparent.
They remember different shapes.
They can conduct electricity.
They are magnetic.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do atoms arrange themselves in a shape memory alloy when it is cold?
In a random arrangement.
In a hexagonal arrangement.
In a monoclinic arrangement.
In a cubic arrangement.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the shape memory alloy wire when it is heated?
It returns to its original shape.
It becomes brittle.
It changes color.
It melts.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT an application of shape memory alloys?
Used in underwires of bras.
Generating electricity.
Moving panels on Mars Rover.
Opening clogged arteries.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do shape memory alloys help in medical applications?
They are used as stents to open clogged arteries.
They are used to replace bones.
They are used to detect diseases.
They are used to sterilize equipment.
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