A 'day' longer than a 'year' Student activity Play

A 'day' longer than a 'year' Whiteboard exercise Play

A star Animation Play

Black Holes Student activity Play

Classification of stars Class activity Play

Classification of stars Whiteboard presentation Play

Deductive reasoning and Venn diagrams Whiteboard exercise Play

Deductive reasoning and Venn diagrams Student activity Play

Deflection of a beam of light Animation Play

Evolution of stars Class activity Play

Evolution of stars Whiteboard presentation Play

Facts about the solar system Whiteboard exercise Play

Galaxies Whiteboard presentation Play

Galaxies Whiteboard presentation Play

Galaxies Class activity Play

Galaxies Class activity Play

Galaxies, clusters and nebulae Student activity Play

High-temperature plasma Animation Play

How far away are the stars? Student activity Play

How far away are the stars? Whiteboard exercise Play

How light travels Student activity Play

How light travels Illustration Play

Line of reflection symmetry Whiteboard exercise Play

Line of reflection symmetry Student activity Play

Luminosity – temperature diagram Illustration Play