Most physics competitions in the UK are built for sixth-formers. The British Physics Olympiad is the welcome exception — it runs three online challenges a Key Stage 3 student can genuinely sit, starting with one designed specifically for Years 7 and 8. If your child asks "but why does that happen?" more than the average, this is a lovely place to point that curiosity.

Who runs these — and why they're different

The British Physics Olympiad (BPhO) is based at the University of Oxford and runs the UK's physics competition ladder from top to bottom. Most of that ladder is aspirational sixth-form territory (we cover it in our guide to the senior British Physics Olympiad). But the BPhO also runs a set of junior challenges built for younger students — and unlike a lot of enrichment, these are online, cheap for schools, and require no special preparation.

There are three that a KS3 child can enter. Here's each one.

1. The Year 7/8 Physics Challenge — the true KS3 one

This is the entry point, and it's the only major physics competition designed specifically for the bottom of secondary school. It's open to Years 7 and 8 only — core KS3 — and it's an online quiz of two 25-minute papers, 25 questions each. Schools enter for £20 (covering up to 999 students), and every participant gets a certificate.

The questions aren't about knowing more physics than the syllabus. They're about thinking — noticing that a heavier object doesn't necessarily fall faster, working out what a simple circuit does, reasoning through everyday situations. That's why it suits a curious eleven- or twelve-year-old so well.

It usually runs in a window from late April to mid-May. (The 2027 window is set for roughly 27 April to 18 May — always check the official Year 7/8 Challenge page for the exact dates each year, as they move.)

2. The Junior Physics Challenge — where a keen Year 9 steps up

The Junior Physics Challenge is aimed at Year 10, but Years 9 and 11 are allowed to enter — which makes it the natural next step for a Year 9 who has outgrown the Year 7/8 paper. It's the same low-key format: online, two 25-minute papers, 30 questions each, £20 per school, certificates for participants.

For a Year 9 who found the Year 7/8 Challenge easy the year before, this is the gentle stretch — a slightly harder paper with slightly older company, still sat comfortably at a school computer.

3. The Intermediate Physics Challenge — for stretch

The Intermediate Physics Challenge is officially a Year 11 paper, but younger students may enter, so it exists as a reach option for an exceptional KS3 physicist. There are two versions: an online paper (two 30-minute sections, 20 questions) and a written paper. A gold on the written Intermediate paper earns an invitation to an Oxford physics masterclass — a genuinely lovely reward.

For most KS3 families this one is a "maybe in Year 9, if they're flying" rather than a starting point. Don't rush a Year 7 into it; let the Year 7/8 Challenge do its job first.

The facts, at a glance

Year 7/8 Challenge Junior Physics Challenge Intermediate Physics Challenge
Who it's for Years 7–8 only Year 10 (Years 9 & 11 allowed) Year 11 (younger may enter)
Format Online, 2 × 25 min, 25 Q each Online, 2 × 25 min, 30 Q each Online 2 × 30 min, or written paper
When (next cycle) ~27 Apr–18 May 2027 ~23 Apr–14 May 2027 Online ~25–29 Jan 2027; paper in Feb
Cost £20 per school £20 per school £20 online / paper free
Reward Certificate Certificate Certificate; gold on paper → Oxford masterclass

Dates shift year to year — treat the windows above as "roughly when", and confirm on the official pages: Year 7/8 Challenge, Junior Physics Challenge, Intermediate Physics Challenge.

How to actually get your child in

The single most useful thing you can do is ask your child's science department whether they enter the BPhO junior challenges. They're school-entry only, they're inexpensive, and many schools simply haven't got round to it. A short, friendly email — "I noticed the BPhO runs a Year 7/8 Physics Challenge; is that something the department offers?" — is often all it takes. If they don't, that's useful to know too; some independent and grammar schools run them as standard, others don't.

There's nothing to buy at home and no need for a tutor to "prep" for these. They're deliberately un-crammable.

Getting ready without cramming

Because these challenges reward reasoning over recall, the best preparation doesn't look like revision at all. It looks like your child predicting what will happen before they check — which is exactly how good physicists think.

That's the method our KS3 physics tutor, Professor Newton, is built around: predict, observe, explain. Before touching a formula, the student commits to a guess — will the ball roll further on carpet or on wood, and why? — then finds out. Getting a prediction wrong and understanding why is worth more than a page of copied notes, and it's the exact habit the BPhO challenges test.

Keep it light. A physics challenge should feel like a good puzzle on a Tuesday, not a deadline. If your child enjoys these, the wider world of KS3 competitions — from the astronomy challenges to maths and chemistry — opens up naturally, and the senior British Physics Olympiad is the summit they lead toward.

FAQ

Which BPhO challenge is right for a Year 7 or Year 8?

The Year 7/8 Physics Challenge — it's built for exactly that age group and assumes only core KS3 physics. Year 9 students can step up to the Junior Physics Challenge (aimed at Year 10 but open to Year 9), and confident younger students may enter the Intermediate Challenge for stretch.

Does my child need to prepare, or buy anything?

No purchase for parents — schools enter students, and it's a modest £20 per school. There's no special kit and no coursework. The challenges reward clear thinking about everyday physics far more than memorised facts, so the best "prep" is curiosity, not cramming.

Are these exams that go on a record?

No. They're low-stakes online quizzes sat in school, and they don't affect grades or reports. Your child earns a certificate and, more importantly, the experience of enjoying physics beyond the textbook. Nothing rides on the result.

Duke Harewood runs aitutors.me and built its KS3 science tutors, including Professor Newton for physics. Published 9 July 2026.