all picks
A blockbusters quiz that can be used to revise basic ideas about sound and ultrasound.

Detailed practical instructions and other notes that explain how to investigate spectra.

Detailed practical instructions and other notes that explain how to do experiments in optics to demonstrate the action of lenses, pinhole cameras, reflection, refraction, the eye,

Detailed practical instructions and other notes that explain how to make a telescope that works.

Fun, interactive research-based simulations of physical phenomena that you can download or run from the site – this one covers sound waves, interference of sound, sound travelling through air not a vacuum.

Kitchen Science experiments are experiments from the Naked Scientists podcasts that you can do at home. This one is about using microphones and a laptop with Audacity to show how ultrasound scanning works.

A set of resources for use in the teaching of medical physics including using electromagnetic waves, radioisotopes and ultrasound.

How to construct a ray diagram step-by-step for converging lenses.

An excellent interactive animation that enables you to look at refraction using a ray or wave view, and change the materials either side of a boundary.

An excellent animation that enables you to construct ray diagrams for lenses.

A site that revises ultrasound and infrasound and their uses.

A collection of interactives that explore telescopes, spectra, galaxies, comets and gravity.

How to construct ray diagrams for plane mirrors

Simple and intriguing demonstrations about shadows

Instructions for how to show a real image in mid air.

Make a jelly optical fibre to demonstrate total internal reflection.

A site that revises properties of waves, wave speed and ray diagrams.

A site that revises sound and the electromagnetic spectrum.

A site that revises lenses and telescopes.

A series of pages that explain the basics of sound and hearing with a focus on ear protection at the end and self-test questions.

A site with information and equations about reflection, refraction and critical angle.

A video that shows how people did magic tricks using glass and reflection

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