Shape-memory alloys... select 2

1.2.2 Smart Materials

Quiz
•
Design
•
12th Grade
•
Medium
S SBL
Used 10+ times
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11 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Can be plastically deformed, and returned to original shape with heat
Can be plastically deformed, and returned to original shape with a current
Contains pigments that allow small currents to flow through
Generates a small electric charge when compressed
Uses electrochromatic technology to change transparent to opaque
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Smart materials: I am a smart material that is easily bent when cool but jump back into shape when heated above a certain temperature eg. nitinol
Shape memory Alloys
Nano Materials
Ceramics
Cornstarch polymers
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Smart materials: Respond to changes in temperature by changing colour, t-shirts, mugs and temperature strips
Nanomaterials
Thermochromic materials
Integrated electronics
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Smart materials: Glow in the dark, absorbs light during the day and emits it when dark E.G Fire exit signs
Photochromic Materials
Thermochromic Materials
Phosphorescent pigments
Holograms
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Smart materials: They change colour depending on the amount of light hitting the surface. By far the most common use of this is in light-sensitive glasses, such as sunglasses.
Reflective Films
Phosphorescent pigments
Holograms
Photochromic Materials
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Smart materials: A thermochromic substance ...
Changes colour when the light intensity changes.
Changes colour when the temperature changes.
Absorbs up to 1000 x its volume in water.
Returns to its original shape when heated.
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