Does chemically pure water conduct an electric current? Simulation Play

Electrolytic refining Animation Play

Extraction of copper Student activity Play

Finding out the state of a substance at room temperature Slideshow Play

Flow of charge through a substance Student activity Play

Flow of charge through a substance Simulation Play

Flow of charge through a substance Whiteboard exercise Play

Fool's gold Whiteboard exercise Play

Formulating a chemical equation Whiteboard exercise Play

Formulating a chemical equation Whiteboard exercise Play

Formulating a chemical equation (1) Student activity Play

Gold or not? Animation Play

Heating and cooling curves. Melting and boiling points Whiteboard exercise Play

Heating and cooling curves. Melting and boiling points Student activity Play

Heating up a substance Student activity Play

Heating up a substance Whiteboard exercise Play

How can we check whether a given substance is an element or a compound? Animation Play

How dispersion forces work Animation Play

How plants obtain the substances necessary for life Slideshow Play

How to calculate the specific heat capacity of a substance Animation Play

How to find out whether a given material is a pure substance or a mixture? Animation Play

Increasing the concentrations of reacting substances Animation Play

Influence of the concentrations of substances on the position of equilibrium Illustration Play

Interrelationship of concentrations of hydrogen ions and hydroxide ions Student activity Play

Investigating the electrical conductivity of substances Simulation Play