Light and the electromagnetic spectrum Student activity Play

Lightning Student activity Play

Lightning Whiteboard exercise Play

Lightning Animation Play

Lightning conductor Whiteboard exercise Play

Lightning conductor Student activity Play

Lightning conductor Animation Play

Logarithm of a power Animation Play

Logarithms in chemistry Student activity Play

Lorentz force Student activity Play

Magnetic field and an electric charge Student activity Play

Magnetic field and an electric charge Whiteboard exercise Play

Magnetic field transfer of energy Student activity Play

Marbles Game Play

Mass spectrometer Animation Play

Mass spectrometry. Part I Whiteboard presentation Play

Mass spectrometry. Part I Class activity Play

Maxi numbers Animation Play

Maxi numbers Whiteboard exercise Play

Maxi numbers and mini numbers Student activity Play

Meaning of the symbol pH Animation Play

Measurements Student activity Play

Measurements Simulation Play

Measuring conductance changes in the reaction mixture Animation Play

Mental calculations involving powers Whiteboard exercise Play