Free Year 8 Science practice — order the spectrum and compare ultraviolet, X-ray and gamma uses. No account needed.
Order the electromagnetic spectrum and compare selected ultraviolet, X-ray and gamma uses, ionisation and controls. Correct answers can trigger celebrations. Feedback and retry options depend on the game.
Learning objective: Link frequency, wavelength and photon energy to uses and bounded biological risk.
Curriculum anchor: England KS3 Science: energy transfer by waves; electromagnetic spectrum; uses and effects of radiation.
This game is designed as short independent practice after an idea has been introduced. It does not replace direct teaching, mathematical or scientific discussion, or an adult checking whether the learner can explain the idea away from the screen.
Ask where the wave lies in the spectrum, whether it is ionising and what control makes the use appropriate. Take a break when you need one.
Does it need an account? No. The game runs in the browser and asks for no name, email address, school or location.
Is it timed? Timing varies by activity. Check the available modes and instructions before starting.
Can it be used on a phone? Controls vary by game. Use the on-screen buttons or read the instructions for keyboard and drag actions.
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