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Exploring Smart and Composite Materials

Authored by L D

Design

10th Grade

Exploring Smart and Composite Materials
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a smart material?

Stainless steel

Shape memory alloy

Concrete

Glass

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What property makes thermochromic pigments a smart material?

They conduct electricity

They change colour with temperature

They are magnetic

They are biodegradable

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a composite material?

Aluminium

Carbon fibre reinforced polymer

Copper

Polyethylene

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main advantage of using composite materials in aircraft construction?

They are heavier than metals

They are more expensive

They have a high strength-to-weight ratio

They rust easily

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which smart material is used in glasses that darken in sunlight?

Photochromic glass

Kevlar

MDF

Stainless steel

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main function of piezoelectric materials?

To conduct heat

To generate electricity when deformed

To absorb water

To insulate against sound

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a property of carbon fibre composites?

Lightweight

High tensile strength

Good electrical conductor

Corrosion resistant

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