Measuring angles by using a protractor Whiteboard exercise Play

Measuring angles of reflection Simulation Play

Miscellaneous exercises Student activity Play

Miscellaneous exercises Student activity Play

Mixing of atomic orbitals: sp2 hybridisation Student activity Play

Molecular structure of water Animation Play

Molecules with five electron pairs (1) Student activity Play

Molecules with five electron pairs (2) Student activity Play

Molecules with five or six covalent bonds Student activity Play

Molecules with more than one central atom Student activity Play

Molecules with six electron pairs Student activity Play

Molecules with three or four covalent bonds Whiteboard exercise Play

Molecules with three or four covalent bonds Whiteboard exercise Play

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

Molecules with three or four covalent bonds (2) Student activity Play

More constructions Student activity Play

Mutual position of lines and interior angles in a triangle Whiteboard presentation Play

Mutual position of lines and interior angles in a triangle Class activity Play

Number of revolutions Whiteboard exercise Play

Observations Student activity Play

Obtuse angles Whiteboard exercise Play

Obtuse angles Student activity Play

On what does wave refraction depend? Whiteboard exercise Play

On what does wave refraction depend? Student activity Play

Opposite angles of a parallelogram Animation Play