Diffusion in gases Student activity Play

Discovering matter Student activity Play

Discovery of elementary particles Student activity Play

Discovery of elementary particles Whiteboard exercise Play

Dissociation constants for di- and triprotic acids Student activity Play

Dissociation constants for di- and triprotic acids Illustration Play

Dissolution Student activity Play

Do liquids have a specific shape? Whiteboard exercise Play

Do liquids have a specific shape? Student activity Play

Effect of number of gas particles on the pressure Animation Play

Electrical charge of metal ions Student activity Play

Electrolytic dissociation (2) Student activity Play

Elementary particles Whiteboard presentation Play

Elementary particles Class activity Play

Evolution of the Universe Illustration Play

Factors affecting particles Student activity Play

Factors affecting particles Animation Play

Factors that affect the process of dissolution Student activity Play

Forces affecting an element of a string Student activity Play

Forces affecting an element of a string Animation Play

Forces affecting an element of a string Whiteboard exercise Play

Gas Animation Play

Gas particles are in constant motion Animation Play

Gas particles can completely fill any space available Animation Play

Gas particles can move freely in space Animation Play