Tactic movements Animation Play

Tectonic movements, earthquakes and volcanoes Class activity Play

Tectonic movements, earthquakes and volcanoes Whiteboard presentation Play

The animal cell Slideshow Play

The animal cell Student activity Play

The apparent movement of the stars Student activity Play

The apparent movement of the stars Simulation Play

The apparent movement of the Sun Student activity Play

The conservation of energy Student activity Play

The direction of the Earth's rotation Whiteboard exercise Play

The Doppler effect Whiteboard presentation Play

The Doppler effect Animation Play

The Doppler effect Whiteboard exercise Play

The Doppler effect Class activity Play

The Doppler effect Student activity Play

The effects of external factors on the rate of transpiration Student activity Play

The energy levels in a solid body Student activity Play

The equation for respiration Whiteboard exercise Play

The force is at some angle to the direction of the movement Animation Play

The functions of cells Student activity Play

The influence of physical effort on the pulmonary circulation Slideshow Play

The kinetic theory Student activity Play

The major role of the central nervous system Whiteboard exercise Play

The movement of a charge in a magnetic field Class activity Play

The movement of a charge in a magnetic field Whiteboard presentation Play