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BrainteenAges 14–16ScienceWorksheet

Units and prefixes in physics (GCSE-style Foundation)

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Show your working: equation, substitution, answer with its unit. Convert prefixed units (k, M, m, µ, minutes) to SI units first. Where an answer is not exact, round it to the number of significant figures the question asks for.

Licence: Crayonbird original

Also in: Deutsch

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About this activity

What your child practises

Practising key skills with a ready-to-use activity.

What’s included

  • 10 questions
  • An answer key you can print with the sheet or on its own
  • An on-screen version with instant marking and stars

Age and school year

Made for ages 14–16. That’s Grade 9–11 in the US, Year 10–12 in England, JSS 3 – SS 2 in Nigeria and Class 9–11 in India.

How to use it

  • Print it at home or school – it fits a standard A4 or US Letter page.
  • Print the answer key too, so marking takes seconds.
  • Play it on screen: answers are marked instantly and children earn stars.
  • Write on it on a tablet or touchscreen with a finger or stylus – no printer needed.

Tips for parents and teachers

  1. Do it on screen first for instant marking, then print it a few days later to see what was remembered.
  2. Say new words out loud and use each one in a sentence – hearing and using words is how they stick.
  3. Encourage teens to set their own target (say 12 out of 15) and track it over a few attempts.

Good to know

Time needed
About 15–25 minutes
You’ll need
A printer (or a tablet to work on screen), a pencil and an eraser
Difficulty
Harder (GCSE-style Foundation) – pitched at ages 14–16
Answer key
Yes – print it with the sheet or on its own

Learn the ideas behind it

More for this age