A thickness measuring device Animation Play

Acceptable indoor radon concentration Chart Play

Activity of a sample Whiteboard exercise Play

Application of radioactivity Class activity Play

Application of radioactivity Whiteboard presentation Play

Atomic bomb Student activity Play

Atomic bomb Whiteboard exercise Play

Balls on a billiards table Animation Play

Billiard ball collisions and the velocity vectors Student activity Play

Braking and friction Whiteboard exercise Play

Braking and friction Student activity Play

Braking distance Animation Play

Chemical equilibrium Student activity Play

Defectoscopy and the measurement of thickness Whiteboard exercise Play

Defectoscopy and the measurement of thickness Whiteboard exercise Play

Defectoscopy and the measurement of thickness Student activity Play

Determination of rate equations Student activity Play

Development of atomic theory. Radioactivity Whiteboard presentation Play

Development of atomic theory. Radioactivity Class activity Play

Diffusion cloud chamber Illustration Play

Discovery of radioactivity Animation Play

Distance Animation Play

Early atomic theories Whiteboard presentation Play

Early atomic theories Class activity Play

Equilibrium concentration of a component Animation Play