6.3

Question 1

What are smart materials

Answer 1

Materials that respond to the enviroemnt they are in

Question 2

Give some colour changign smart materials

Answer 2

Thermochromic pigment
Phtochromic pigmeent
Electrochromic piment

Question 3

How does tehrmochromic work

Answer 3

Diff temp diff colour

Question 4

Uses fo themrochromic

Answer 4

Thermmeters
Kettles
Mugs

Question 5

How does photochromic work

Answer 5

Diff light level diff colour

Question 6

Uses of photchromic

Answer 6

Welding goggles
Glasses

Question 7

How do electrochromic work

Answer 7

diff volt diff colour

Question 8

Uses fo electrochromic

Answer 8

LCD
Smart goggles
Self darkening rear view mirrors
Priacy screens

Question 9

Shape shifting matrials

Answer 9

Shape mameory alloys
Shape memory polyers

Question 10

Example fo SMA

Answer 10

Nitinol

Question 11

Example of SMP

Answer 11

Polymorph

Question 12

How does SMA work

Answer 12

Changes shape based on diff temp or voltage

Question 13

Uses of SMA

Answer 13

Braces
Self closing widnows
Aeroplane wing flaps
Stents and boneplates

Question 14

Uses of SMP

Answer 14

Moulds
Furntiture
specialised containers

Question 15

Motion control materials

Answer 15

Motiton control gels

Question 16

How do motion contorl gels work

Answer 16

Uses teh viscisoity fo liqud alter speeds of shti passed through

Question 17

How does the visciotity of gels changes

Answer 17

Diff speed fo objects passing through

Question 18

Uses of motion contorl gels

Answer 18

Soft closing draws
Toilet seats

Question 19

Self cleaning materiasl

Answer 19

Hydrophobic materials
Oleophoboic materials

Question 20

Hwo do hydrophobic work

Answer 20

Water repellent so dirt cannot stick to it

Question 21

How does oleophbic work

Answer 21

Oil resiatnct

Question 22

Uses of hydrophobic

Answer 22

Self cleaning windows
Stain protectsors
Wall paint

Question 23

Uses of oleophobic

Answer 23

Mobile screens
ATM screens

Question 24

Self healing materials

Answer 24

Self heling polymers
Self healing concrete

Question 25

How does self healing polymers work

Answer 25

Polymer molecules reform aroudn the damage

Question 26

How does self heling cocnrete work

Answer 26

Bacteria in the mix, when bacteria is in contact with water it grows and heals the crack

Question 27

Uses fo self healing polyers

Answer 27

Cutting matts
chopping boards

Question 28

Uses of self healing concrete

Answer 28

Outdoor setaing
Paving
Building structures

Question 29

What are micro controllers

Answer 29

an eelcrtonic device thats embeded into a product to imrpove fucntionality

Question 30

Examples of micro cotnrollers

Answer 30

car sensors which then display ifnormation to drivers

mobile phoens tracking distance

heart rate trackers