Substances that react with water Animation Play

Substitution reaction in a branched alkane Animation Play

Substitution reactions of alcohols Student activity Play

Sundew – an insectivorous plant Animation Play

Supernova Animation Play

Supernovas Student activity Play

Suspended magnets Animation Play

Symbols and formulae in chemical reactions Animation Play

Synthesis of organic compounds in a simulated environment Slideshow Play

Synthesis of secondary amide Whiteboard exercise Play

Temperature and pH Animation Play

Temperature dependence of reaction rates Student activity Play

Temperature of reaction Whiteboard exercise Play

Temperature of the reaction Simulation Play

Testing for hydrogen Student activity Play

The appearance of chemical reactions Slideshow Play

The arrangement of chemical elements in the periodic table Animation Play

The arrangement of chemical elements in the periodic table Whiteboard exercise Play

The atomic masses of chemical elements in the periodic table Animation Play

The biuret reaction Animation Play

The boiling points of chemical substances Simulation Play

The chemical composition and ranges of hormone activity Student activity Play

The chemical composition of plants Student activity Play

The chemical composition of plants Whiteboard exercise Play

The chemical compounds Whiteboard exercise Play