Kirchhoff's First Law Student activity Play

Kirchhoff's First Law Simulation Play

Labelling the periodic table Whiteboard exercise Play

Lake Animation Play

LDPE Animation Play

LDR (light-dependent resistor) Animation Play

LDR (light-dependent resistor) Whiteboard exercise Play

LDR (light-dependent resistor) Student activity Play

Lewis dot-and-cross diagram for a water molecule Animation Play

Lewis dot-and-cross diagrams Student activity Play

Lewis structure of a hydrogen molecule Animation Play

Lewis structures and electron configurations Whiteboard exercise Play

Lewis theory and earlier acid-base theories Animation Play

Lewis theory of acids and bases Student activity Play

Ligand types Student activity Play

Light-dependent resistor LDR Student activity Play

Lightning Student activity Play

Lightning Animation Play

Limitations of Bohr's model of the atom Animation Play

Liquids Class activity Play

Liquids Student activity Play

Liquids Whiteboard presentation Play

Liquids Animation Play

Liquids of different densities poured into one container Animation Play

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