A pendulum Simulation Play

A perpendicular through a point off the line Simulation Play

A perpendicular through a point on the line Simulation Play

A photocopier Simulation Play

A photographic camera Simulation Play

A plate Simulation Play

A proper dosage of the drug Simulation Play

A rainfall model Simulation Play

A river Simulation Play

A rod Simulation Play

A roundabout Simulation Play

A second-class lever Simulation Play

A see-saw Simulation Play

A segment and a position vector of its midpoint Simulation Play

A square and a straight line Simulation Play

A standing wave in a pipe Simulation Play

A stationary pulley Simulation Play

A stationary source and a mobile observer Simulation Play

A tourist in England Simulation Play

A triangle and circles Simulation Play

A trip to some destination Simulation Play

A trip to the Moon Simulation Play

A virtual car Simulation Play

Absorption and emission of gases Simulation Play

Absorption spectrum of gases Simulation Play

Acceleration and force Simulation Play

Acid anhydrides Simulation Play

Acidic properties of hydrogen halides Simulation Play

Adaptations of plants for survival in dry conditions Simulation Play

Adaptive radiation Simulation Play