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Choosing Materials by Testing
Which material is strongest? Run a fair test to choose the best one for a job.
⏱ 15 min❓ 6 questions
What you'll be able to do
- ✔I can test materials to compare them
- ✔I know a fair test changes only one thing
- ✔I can choose a material based on test results
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
6 questions and 1 quick teaching card, including:
- 🔘Multiple choice — Tap the answer you think is best, then check it.
- ⚖️True or false — Read the statement and decide if it's true or false.
👪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.
Sign in and subscribe to unlock the full lesson and save your progress.
Curriculum: AC9TDE4K01, AC9TDE4P02