2-D shapes Student activity Play

2-D shapes Whiteboard exercise Play

2-D shapes around you Slideshow Play

2D and 3D interference Animation Play

2D and 3D interference Student activity Play

A big cube made of 27 small cubes Whiteboard exercise Play

A change in speed during the passage to a different medium Animation Play

A change in speed during the passage to a different medium Whiteboard exercise Play

A change in the intensity of X-radiation Whiteboard exercise Play

A change in the medium of wave propagation Simulation Play

A change in the medium of wave propagation Student activity Play

A change in the medium of wave propagation Whiteboard exercise Play

A change in the state of matter Animation Play

A change in voltage Simulation Play

A change in voltage Whiteboard exercise Play

A change in voltage Student activity Play

A change of medium Student activity Play

A change of medium Animation Play

A change of medium Simulation Play

A change of medium Whiteboard exercise Play

A change of nutrient in the culture medium Animation Play

A chord and a diameter of a circle Student activity Play

A circular arc Student activity Play

A grey body Animation Play

A grey body Student activity Play