Unit 3: A3 Product in theory
Topic 3.1: Material classification Questions
Practice 20 exam-style questions for IB Design Technology Topic 3.1. Review the question stems below, then unlock the full Question Bank to access markschemes, model answers, and AI grading.
1Explain4 marks
2026
Explain the mechanical properties required by the shell and the strap of a cycle helmet.
Markscheme and model answer locked
Unlock Question2Justify3 marks
2026
Justify the use of stainless steel rather than mild steel for the grab rail and soap dispenser in a public shower room.
Markscheme and model answer locked
Unlock Question3Identify1 mark
2026
A product labelled biodegradable is sent to a sealed landfill. What happens?
Markscheme and model answer locked
Unlock Question4Explain4 marks
2026
Explain why a mycelium-based packaging insert is a better choice than expanded polystyrene for protecting a television in transit.
Markscheme and model answer locked
Unlock Question5Identify1 mark
2026
A saucepan handle must stay cool while the base is hot. Which property is specified?
Markscheme and model answer locked
Unlock Question6Identify1 mark
2026
Why does stainless steel resist corrosion so well?
Markscheme and model answer locked
Unlock Question7Explain3 marks
2026
Explain why density matters in the choice of material for a portable product.
Markscheme and model answer locked
Unlock Question8Identify1 mark
2026
Why are biomaterials described as designing waste OUT rather than managing it?
Markscheme and model answer locked
Unlock Question9State2 marks
2026
State two physical properties of a material.
Markscheme and model answer locked
Unlock Question10Identify1 mark
2026
Why does the guide call identifying the most suitable material complex and challenging?
Markscheme and model answer locked
Unlock Question11Identify1 mark
2026
A material is drawn out into a thin wire without breaking. This property is:
Markscheme and model answer locked
Unlock Question12Identify1 mark
2026
A material fails a food-safety requirement but scores best on everything else. It should be:
Markscheme and model answer locked
Unlock Question13Identify1 mark
2026
Electrical conductivity and electrical resistivity are:
Markscheme and model answer locked
Unlock Question14Explain4 marks
2026
A phone screen is very hard but not tough. Explain what this means for the user and suggest a design response.
Markscheme and model answer locked
Unlock Question15Explain3 marks
2026
Explain what makes a material 'smart'.
Markscheme and model answer locked
Unlock Question16Explain4 marks
2026
The shelf of a flat-pack cabinet is made from plywood, a composite. Explain what its constituents are and why the combination outperforms solid timber of the same thickness.
Markscheme and model answer locked
Unlock Question17Explain4 marks
2026
A designer is selecting a material for the outer casing of a cordless drill. Explain how classifying materials by physical, chemical and mechanical properties helps make the choice.
Markscheme and model answer locked
Unlock Question18Identify1 mark
2026
Which consideration in material selection cannot be read from a data sheet?
Markscheme and model answer locked
Unlock Question19Identify1 mark
2026
Why does a bridge need expansion joints?
Markscheme and model answer locked
Unlock Question20Identify1 mark
2026
Which pair correctly separates a physical change from a chemical one?
Markscheme and model answer locked
Unlock QuestionReady to practice Topic 3.1?
Get instant AI feedback on your answers, view detailed markschemes, and track your progress across all IB Design Technology topics.
Start Practising Now