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Engineering material selection
Justify material choices for engineered parts by comparing strength-to-weight ratio, cost and sustainability.
⏱ 20 min❓ 9 questions
What you'll be able to do
- ✔I can calculate and compare specific strength (strength-to-weight ratio)
- ✔I can use a weighted decision matrix to choose a material
- ✔I can include cost and sustainability when justifying a material choice
How this works
- 1Read the short explanations first — they teach you what you need before each question.
- 2Answer each question, then tap Check. A right answer moves you on automatically; if it's wrong, you'll see a friendly explanation of why.
- 3Finish all 3 steps to see your score — sign in and subscribe to unlock the full lesson and save it.
What's inside
9 questions and 1 quick teaching card, including:
- 🔢Number answer — Work out the answer and type the number.
- 🔘Multiple choice — Tap the answer you think is best, then check it.
👪Grown-up tip: sit alongside younger learners for the first few lessons. Read the questions together and chat about the explanations — that's where the real learning sticks.
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Curriculum: AC9TDE10K06, AC9TDE10P03