Lone electron pairs affect the shape of the molecule Whiteboard exercise Play

Lone electron pairs affect the shape of the molecule (1) Student activity Play

Lone electron pairs affect the shape of the molecule (2) Student activity Play

Magnifying tools Animation Play

Making frieze patterns Simulation Play

Metallic crystals Student activity Play

Molecular shape Animation Play

Molecular shape changes Animation Play

Molecular structure of water Animation Play

Molecules with three or four covalent bonds (1) Student activity Play

More complex examples in factorising by completing the square Student activity Play

Moving rectangle in a graphic calculator Animation Play

Moving shape horizontally and vertically in a graphic calculator Simulation Play

Moving shapes in a graphic calculator Whiteboard exercise Play

Moving shapes in graphic calculators Student activity Play

Neutrons and protons Student activity Play

Neutrons and protons Animation Play

Obtaining the same shape with a given scale factor Whiteboard exercise Play

On what does an increase in temperature depend? Simulation Play

On what does an increase in temperature depend? Student activity Play

Orbital shapes Animation Play

Orbitals Student activity Play

Painting Whiteboard exercise Play

Painting Student activity Play

Pictures taken from different helicopters Whiteboard exercise Play