Materials

Question 1

Thermocromic Ink

Answer 1

-Change colour in response to changes in temperature
-Used in thermometers, novelty items such as mugs

Question 2

Kevlar and it’s properties

Answer 2

-Properties due to its internal structure and the way it’s fibres are knitted tightly together
-Strong but light
-Used in bulletproof vests/armour

Question 3

What do photochromic pigments do?

Answer 3

Change properties when exposed to UV light

Question 4

How can photochromic pigments be used?

Answer 4

As lenses in glasses

Question 5

What products use electroluminescent wire?

Answer 5

-Car lights
-Decorative luminescent clothing

Question 6

What does QTC stand for?

Answer 6

Quantum Tunnelling Composite

Question 7

What is polymorph?

Answer 7

A polymer that becomes malleable when heated

Question 8

Why do we use LCDs?

Answer 8

To display an image or a text

Question 9

What are nanomaterials?

Answer 9

Tiny particles of 1 to 100 nanometers. Used in thin films of clothing.

Question 10

Name 3 types of breathable fabric.

Answer 10

-Goretex
-Sympa tex
-Perma tex

Question 11

Name 2 products that use breathable fabrics.

Answer 11

-Tents
-Outdoor wear