Determining the exact molarity of sodium hydroxide Whiteboard exercise Play

Determining the molarity of the hydrochloric acid Whiteboard exercise Play

Determining the molarity of the hydrochloric acid – summary Animation Play

Determining the relative molecular mass Animation Play

Different force gauges Animation Play

Diffusion Student activity Play

Diffusion and viscosity Animation Play

Dilution of concentrated solutions Student activity Play

Direct current meters Slideshow Play

Direct electric current Student activity Play

Dividing quantities in a given ratio Student activity Play

Doppler effect for different waves Student activity Play

Effect of concentration – a microscopic view Student activity Play

Effect of physical activity on blood flow through the organs; cardiac output and stroke volume Student activity Play

Effect of the volume of a gas on its pressure Simulation Play

Effects of changes in blood volume on the volume of excreted urine Simulation Play

Effects of temperature and volume on gas pressure Slideshow Play

Einstein's first postulate Whiteboard exercise Play

Einstein's postulates Student activity Play

Einstein's postulates Whiteboard exercise Play

Electrical resistance Whiteboard presentation Play

Electrical resistance Class activity Play

Emptying a bathtub Whiteboard exercise Play

Energy transfer Student activity Play

Entropy Student activity Play