✨ Free preview
💡

Energy-efficient design

Calculate energy use in kilowatt-hours and evaluate the design features that cut the energy a product or system consumes.

⏱ 20 min❓ 10 questions

What you'll be able to do

  • ✔I can calculate energy use in kilowatt-hours and its running cost
  • ✔I can identify design features that reduce energy use
  • ✔I can evaluate a product’s energy efficiency using data and ratings

How this works

  1. 1Read the short explanations first — they teach you what you need before each question.
  2. 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.
  3. 3Finish all 3 steps to see your score — sign in and subscribe to unlock the full lesson and save it.

What's inside

10 questions and 1 quick teaching card, including:

  • 🔢Number answer — Work out the answer and type the number.

👪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: AC9TDE8K03, AC9TDE8K01