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Smart, Modern & Composite materials

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

What are existing or modern materials with physical properties that can be varied (changed) by an external input, such as temperature, light, moisture, force or electrical current.

a)

Smart materials

b)

Composite materials

c)

Modern materials

2.

What do not occur naturally, but are existing materials that have been altered to improve their properties.

a)

Smart materials

b)

Composite materials

c)

Modern materials

3.

What consists of a reinforcing (strengthening) materials and a bonding agent (something that sticks it together) called the matrix.

a)

Smart materials

b)

Composite materials

c)

Modern materials

4.

Shape-memory alloys...

a)

Can be plastically deformed, and returned to original shape with heat

b)

Can be plastically deformed, and returned to original shape with a current

c)

Contains pigments that allow small currents to flow through

d)

Generates a small electric charge when compressed

e)

Uses electrochromatic technology to change transparent to opaque

5.

Reactive glass...

a)

Can be plastically deformed, and returned to original shape with heat

b)

Can be plastically deformed, and returned to original shape with a current

c)

Contains pigments that allow small currents to flow through

d)

Generates a small electric charge when compressed

e)

Uses electrochromatic technology to change transparent to opaque

6.

Conductive inks...

a)

Can be plastically deformed, and returned to original shape with heat

b)

Can be plastically deformed, and returned to original shape with a current

c)

Contains pigments that allow small currents to flow through

d)

Generates a small electric charge when compressed

e)

Uses electrochromatic technology to change transparent to opaque

7.

Piezoelectric materials...

a)

Can be plastically deformed, and returned to original shape with heat

b)

Can be plastically deformed, and returned to original shape with a current

c)

Contains pigments that allow small currents to flow through

d)

Generates a small electric charge when compressed

e)

Uses electrochromatic technology to change transparent to opaque

8.

Phenolic resins combined with cotton fabrics

a)

Concrete

b)

Plywood

c)

Robotic materials

d)

Reinforced polymers

e)

Fibre/Carbon/Glass

9.

Loose of woven fibres from a flexible fabric, built up in layers with polyester resin.

a)

Concrete

b)

Plywood

c)

Robotic materials

d)

Reinforced polymers

e)

Fibre/Carbon/Glass

10.

Layers of veneers bonded with glue to produce a flat sheet

a)

Concrete

b)

Plywood

c)

Robotic materials

d)

Reinforced polymers

e)

Fibre/Carbon/Glass

11.

Made of coarse aggregate, sand, cement and water.

a)

Concrete

b)

Plywood

c)

Robotic materials

d)

Reinforced polymers

e)

Fibre/Carbon/Glass

12.

Coupling sensing, activation, computation and communication.

a)

Concrete

b)

Plywood

c)

Robotic materials

d)

Reinforced polymers

e)

Fibre/Carbon/Glass

13.

Ending on an odd number because I'm a Bad ManTM

a)

I'm bored - I want a project to break up the day

b)

I'm just doing the minimum expected of me, so these lessons are fine.

c)

These lessons are fine, I am actually trying!