The absorption and emission of energy Animation Play

The absorption of radiation by matter Animation Play

The ant's route Animation Play

The area of a triangle Animation Play

The area of a triangle in a coordinate system Whiteboard exercise Play

The arrangement of electrons in an atom Student activity Play

The astronomical unit Whiteboard exercise Play

The astronomical unit Student activity Play

The astronomical unit Simulation Play

The balance between energy flow and the circulation of matter Whiteboard exercise Play

The balance of aerobic respiration Student activity Play

The Bohr model of the atom Whiteboard presentation Play

The Bohr model of the atom Class activity Play

The boiling point of water and the pressure Simulation Play

The boiling point of water and the pressure Student activity Play

The boiling point of water and the pressure Whiteboard exercise Play

The bouncing of a ball Student activity Play

The bouncing of a ball Whiteboard exercise Play

The Calvin cycle Student activity Play

The capacitance of a conductor Student activity Play

The capacitance of a conductor Animation Play

The capacity of a battery Animation Play

The Carnot engine Animation Play

The Carnot engine Student activity Play

The Carnot engine Animation Play