Ratio in the class Animation Play

Red giants and white dwarves Student activity Play

Red giants and white dwarves Whiteboard exercise Play

Solar energy Animation Play

Solar energy Student activity Play

Sound amplification Student activity Play

Sources of heat Whiteboard presentation Play

Sources of heat Class activity Play

Sources of heat Class activity Play

Sources of heat Whiteboard presentation Play

Spectral classes Animation Play

Spectral classes Chart Play

The arithmetic mean for continuous data Student activity Play

The average yield Animation Play

The birth of a star Whiteboard exercise Play

The birth of a star Student activity Play

The division of a kingdom Animation Play

The efficiency of a loudspeaker Animation Play

The efficiency of a motor Glossary Play

The efficiency of a motor Animation Play

The efficiency of a motor Whiteboard exercise Play

The efficiency of a motor Student activity Play

The efficiency of a power station Student activity Play

The efficiency of a power station Simulation Play

The efficiency of a transformer Whiteboard exercise Play