IB Design Technology Topic A3.1 Material…

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Question

SL & HLPaper 1

The figure shows a metal spring being heated with a flame. The spring had previously been stretched out of shape, and as it is heated it pulls itself back into its original coiled form without any force being applied. What class of material is this, and what is happening?

A gloved hand holding a small metal spring while a blue torch flame is played over it, the spring recovering its original coiled shape as it heats

A. A composite, in which two bonded materials pull against one another as they are heated

B. A shape memory alloy, which recovers its original shape when heated after having been plastically deformed

C. A piezoelectric material, which changes shape in response to an applied electrical current

D. A hygroscopic material, which changes shape as it absorbs moisture from the surrounding air

SL & HLPaper 1

Read the following stimulus and answer parts (a) and (b).

The figure shows a bicycle, which is built from more than one kind of structure.

A road bicycle shown three-quarter view, its frame built from joined tubes, with drop handlebars and two spoked wheels

(a)

The bicycle frame is made of interconnected tubes joined together to support and carry the loads. Which type of structure is the frame?

[1]

(b)

The rider wears a cycle helmet: a thin, hard, curved outer layer that spreads the force of an impact over its surface. Which type of structure is the helmet?

[1]

SL & HLPaper 1

Which of the following best describes a physical property?

SL & HLPaper 1

Which of the following best describes a smart material?

SL & HLPaper 1

Which of the following metals would most likely be selected based on aesthetic appeal (a polished finish) and low density?

Practice IB Design Technology (First Exam 2027) Topic A3.1 Material Classification and Properties with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for A3.1 Material Classification and Properties and mirrors Paper 1, 2 style where relevant.

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IB Design Technology Topic A3.1: Material Classification and Properties Questionbank

IB Design Technology Topic A3.1: Material Classification and Properties Questionbank

A. Design in theory8 subtopics

B. Design in practice8 subtopics

C. Design in context8 subtopics

IB Design Technology Topic A3.1: Material Classification and Properties Questionbank

IB Design Technology Topic A3.1: Material Classification and Properties Questionbank

A. Design in theory8 subtopics

B. Design in practice8 subtopics

C. Design in context8 subtopics

IB Design Technology (First Exam 2027) Topic A3.1 Material Classification and Properties Questionbank