Day and night Student activity Play

Describing class intervals Student activity Play

Describing class intervals – alto singers Whiteboard exercise Play

Describing class intervals – speed of light Whiteboard exercise Play

Description of oscillations Student activity Play

Diffraction of sound waves Student activity Play

Diffraction of sound waves Animation Play

Diffraction of sound waves Whiteboard exercise Play

Diffraction of sound waves Animation Play

Diffusion (Fick's first law) Student activity Play

Distribution of algae Illustration Play

Distribution of height among students Whiteboard exercise Play

Distribution of human muscles Illustration Play

Distribution of multiplication over addition Whiteboard exercise Play

Distribution of muscles in the human body Simulation Play

Distribution of scalar multiplication over scalar addition Game Play

Distribution of scalar multiplication over vector addition Animation Play

Distribution of stomata in different types of plant Slideshow Play

Distribution of total body water in a fully hydrated camel Illustration Play

Doppler effect Class activity Play

Doppler effect Whiteboard presentation Play

Doppler effect for different waves Whiteboard exercise Play

Doppler effect for different waves Student activity Play

Dot plot Student activity Play

Effect of concentration – a microscopic view Student activity Play