Newton's Second Law of Motion Whiteboard exercise Play

Newton's Second Law of Motion Class activity Play

Perpetual motion machine of the first and second kinds Animation Play

Phases of the second meiotic division Illustration Play

Races Animation Play

Second derivative and the local extremum Animation Play

Standard Model Student activity Play

Standard Model Animation Play

The Earth's escape velocity Whiteboard exercise Play

The Earth's escape velocity Illustration Play

The Earth's escape velocity Student activity Play

The first and second ionisation energies Simulation Play

The first and second ionisation energies Animation Play

The first and second ionisation energies of the Group 2 elements Student activity Play

The first and second ionisation energies of the Group 2 elements Whiteboard exercise Play

The launch of a rocket Animation Play

The resultant force Animation Play

The resultant force Whiteboard exercise Play

The resultant force Student activity Play

The second derivative of an arbitrary rational power of  x Whiteboard exercise Play

The second division of the cells Animation Play

The Second Law of Thermodynamics Whiteboard presentation Play

The Second Law of Thermodynamics Animation Play

The Second Law of Thermodynamics Class activity Play

The Second Law of Thermodynamics for heat engines Simulation Play