Regulation of body temperature - activity Whiteboard exercise Play

Relationship between Kp and Kc Student activity Play

Relative motion Student activity Play

Relative motion Whiteboard exercise Play

Research into photosynthesis Student activity Play

Research into photosynthesis - conclusions Illustration Play

Resistors Class activity Play

Resistors Whiteboard presentation Play

Responses to changes in ambient temperature Whiteboard exercise Play

Reversible and irreversible processes Illustration Play

Reversible and irreversible processes Student activity Play

Reversible and irreversible processes Illustration Play

Reversible and irreversible reactions Student activity Play

Reversible processes Whiteboard exercise Play

Reversible reactions Animation Play

Reversible reactions and chemical equilibrium Class activity Play

Reversible reactions and chemical equilibrium Whiteboard presentation Play

Roemer's proof Student activity Play

Root-mean-square current and voltage Simulation Play

Root-mean-square current and voltage Student activity Play

Satellite telephones Student activity Play

Saturated solutions Student activity Play

Scalars and vectors Slideshow Play

Scaling the data Student activity Play

Second-order reactions Whiteboard exercise Play