Earth's atmosphere Animation Play

Effect of reactant pressure on the rate of a chemical reaction Student activity Play

Effects of macro-element deficiencies Student activity Play

Effects of macro-element deficiencies Simulation Play

Effects of physical factors on the rate of photosynthesis Slideshow Play

Effects of the polarity of water molecules Animation Play

Electron configuration and the periodic table (1) Student activity Play

Electron configuration of atoms Student activity Play

Electron configuration of elements Student activity Play

Electron configuration of elements Whiteboard exercise Play

Electron configuration of few first elements Animation Play

Electron configuration of some of the elements Animation Play

Elementary composition of the human body Simulation Play

Elements required by plants Chart Play

Emission of nitrogen oxides Animation Play

Empirical formula Animation Play

Empirical formula Student activity Play

Empirical formulae and molecular formulae of compounds Student activity Play

Entropy and spontaneous changes Student activity Play

Equilibrium constant expression Student activity Play

Equilibrium constants for the reaction of nitrogen with oxygen Animation Play

Essential elements Whiteboard exercise Play

Essential elements – macro-elements; trace elements and ultra-trace elements Student activity Play

Essential minerals Student activity Play

Eutrophication of natural waters Slideshow Play