2DAge 10+10 min
A lens gathers light into a focus
A parallel beam of rays passes through a converging lens and meets at one point — the focus. Then try a diverging lens.
Projects gallery
Physics experiments
Interactive experiments for kids, students and teachers. Run each one right on the page, then open a copy in the Tymora editor and change mass, friction, elasticity or gravity. Every experiment comes with discussion questions and a version to try at home.
Filters · 2
Duration
Topic
Motion & forces
Collisions & energy
Oscillations & waves
Matter, current & light
2DAge 10+10 min
Refraction of light: glass and a prism
A ray enters a glass block and a prism, changes direction and leaves. The angle of refraction obeys Snell’s law.
2DAge 10+10 min
The eye and glasses: fixing short-sightedness
Three eye models: normal, short-sighted and short-sighted with glasses. Rays meet on the retina only in the normal eye and in the eye with a diverging lens.