Densities of some substances Chart Play

Density of different substances Animation Play

Density of substances Animation Play

Dissolution of solids in water Student activity Play

Dissolution of substances in water Animation Play

Do alloys have different properties from pure metals? Simulation Play

Do alloys have different properties from pure metals? Student activity Play

Does chemically pure water conduct an electric current? Student activity Play

Does chemically pure water conduct an electric current? Simulation Play

Effect of substances dissolved in water Slideshow Play

Electrolytic refining Animation Play

Elements and non-elements – sorting substances Whiteboard exercise Play

Exchange of substances with the external environment Animation Play

Experiment on energy substances of the organism and cell respiration Simulation Play

Explosive substances Slideshow Play

Extraction of copper Student activity Play

Flammability of organic substances Animation Play

Flammable substances Slideshow Play

Flow of substances in a plant Slideshow Play

Food – nutrients; stimulants and foreign substances Student activity Play

Food – nutrients; stimulants and foreign substances Whiteboard exercise Play

Foreign substances Slideshow Play

Gold or not? Animation Play

Harmful substances Slideshow Play

Hazardous substances Student activity Play