Latent heat of vaporization Whiteboard exercise Play

Le Chatelier's principle Whiteboard exercise Play

Le Chatelier's principle Student activity Play

Leaf structure and functions Slideshow Play

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

Lewis dot-and-cross diagrams Student activity Play

Life between land and water Slideshow Play

Life beyond the Earth Student activity Play

Life in the sea Student activity Play

Life in water Whiteboard presentation Play

Life in water Class activity Play

Life on land Student activity Play

Life on other planets Slideshow Play

Ligand types Student activity Play

Light Student activity Play

Light phase and dark phase of photosynthesis Student activity Play

Light phase and dark phase of photosynthesis Animation Play

Light phase and dark phase of photosynthesis Whiteboard exercise Play

Light refraction Student activity Play

Lipids – structural elements of membranes Student activity Play

Lipids – structural elements of membranes Whiteboard exercise Play

Lipids – the energy source of the cell Student activity Play

Liquid Animation Play

Liquid catalysts Animation Play

Liquid nitrogen Slideshow Play