Concave mirror, x > R Whiteboard exercise Play

Congruent figures Simulation Play

Congruent figures Student activity Play

Congruent figures – solving problems Student activity Play

Congruent means identical Animation Play

Congruent quadrilaterals Simulation Play

Congruent triangles Student activity Play

Convex mirror Animation Play

Corresponding segments and angles – reflection Animation Play

Cosmic microwave background radiation (CMB) Student activity Play

Cosmic microwave background radiation (CMB) Simulation Play

CPU timing Whiteboard exercise Play

Cubes – parallel faces and nets Student activity Play

Cubes – perpendicular faces and nets Student activity Play

Decibel Whiteboard exercise Play

Decibel Student activity Play

Decibel Simulation Play

Depletion of the ozone layer Slideshow Play

Devices that use microwaves Slideshow Play

Diffraction Student activity Play

Diffraction Slideshow Play

Diffraction Chart Play

Diffraction Whiteboard exercise Play

Diffraction and interference Whiteboard presentation Play

Diffraction and interference Class activity Play