Combustion of magnesium and copper in air Animation Play

Combustion of magnesium in oxygen Animation Play

Combustion of magnesium in the oxygen Animation Play

Combustion of magnesium metal Animation Play

Comparing the reactivity of alkali metals and the alkaline-earth-metals Animation Play

Comparison of the reactivity of Group 1 and 2 metals Student activity Play

Components of plasma Slideshow Play

Composition of some alloys Slideshow Play

Composition of the Earth's crust Slideshow Play

Composition of the Earth's crust Illustration Play

Composition of the Earth's crust Student activity Play

Conductivity Student activity Play

Conductivity Simulation Play

Conservation of natural resources Whiteboard presentation Play

Conservation of natural resources Class activity Play

Copper sulphide Animation Play

Copper sulphide Student activity Play

Copper sulphide ore Slideshow Play

Decay reaction Whiteboard exercise Play

Deficiency of macro-elements Whiteboard exercise Play

Deposits of natural gas Slideshow Play

Derivatives of powers with rational exponent Whiteboard presentation Play

Derivatives of powers with rational exponent Class activity Play

Determination of reaction rates Student activity Play

Determining the formula of a compound knowing the valence of its elements Student activity Play