Light energy – red and blue light as the basis of life Student activity Play

Predator–prey relationships Student activity Play

Producers and consumers Student activity Play

Producers and consumers in a typical food chain Illustration Play

Scientific names Student activity Play

Scientific names Whiteboard exercise Play

Statements about coloured filters Whiteboard exercise Play

Supernova Animation Play

Supernovas Student activity Play

The blue rings Whiteboard exercise Play

The diversity of the natural world Student activity Play

The H-R diagram Illustration Play

The H-R diagram Whiteboard exercise Play

The H-R diagram Student activity Play

The image of the blue shape Whiteboard exercise Play

Three-dimensional perception Animation Play

Three-dimensional vision Student activity Play

White light Student activity Play