Cumulative relative frequency Student activity Play

Decibel Student activity Play

Decibel Simulation Play

Decibel Whiteboard exercise Play

Determining the relative molecular mass Animation Play

Energy, power and intensity of a wave Animation Play

Energy, power and intensity of a wave Student activity Play

Energy, power and intensity of a wave Whiteboard exercise Play

Energy, power and intensity of a wave Animation Play

Experimental and theoretical probabilities Whiteboard presentation Play

Experimental and theoretical probabilities Class activity Play

General theory of relativity Whiteboard presentation Play

General theory of relativity Class activity Play

Influence of some factors on the rate of photosynthesis Student activity Play

Infrared radiation Student activity Play

Intensity and frequency of sound Simulation Play

Intensity of a sound wave Animation Play

Intensity of a sound wave Whiteboard exercise Play

Intensity of a sound wave Student activity Play

Intensity of a sound wave Simulation Play

Intensity of screen illumination Animation Play

Intensity of the emitted radiation Animation Play

Inverse square proportion Student activity Play

Light Student activity Play

Light intensity Animation Play