Demonstration or proof? Animation Play

Derivation of the formula Animation Play

Different force gauges Animation Play

Dihybrid crosses and Mendel's second law Whiteboard exercise Play

Dihybrid crosses and Mendel's second law Student activity Play

Direct current circuit Whiteboard presentation Play

Direct current circuit Class activity Play

Economics and Darwin's theory Student activity Play

Electrical resistance Class activity Play

Electrical resistance Whiteboard presentation Play

Electromotive force Whiteboard presentation Play

Electromotive force Class activity Play

Energy spectrum of a black body Animation Play

Energy spectrum of a black body Student activity Play

Equilibrium of forces – Newton's First Law of Motion Whiteboard exercise Play

Equilibrium of forces – Newton's First Law of Motion Student activity Play

Estimating the time elapsed since the organism died Animation Play

Even and odd nuclei Student activity Play

Even and odd nuclei Animation Play

Evolutionism and economy Slideshow Play

Exponential decay Whiteboard exercise Play

Exponential growth and decay Whiteboard presentation Play

Exponential growth and decay Class activity Play

Exponential law of decay Student activity Play

Faraday's Law Student activity Play