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How Gears Change Speed
Big and small gears turn at different speeds. Discover how gears pass on movement.
⏱ 16 min❓ 6 questions
What you'll be able to do
- ✔I know gears with teeth turn each other
- ✔I can explain that a small gear turns faster than a big one
- ✔I can describe a machine that uses gears
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, AC9TDE4P01