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

The chemical elements of life Slideshow Play

The chemical structure of fats Animation Play

The chemical synthesis of ethanol Student activity Play

The chemical synthesis of ethanol Whiteboard exercise Play

The chemical weathering of rock Student activity Play

The cosine – reducing angles Student activity Play

The different rates of chemical reactions Student activity Play

The different rates of chemical reactions Whiteboard exercise Play

The different rates of chemical reactions Animation Play

The effect of concentrations of reactants and products on chemical equilibrium Animation Play

The effect of pressure on a chemical equilibrium Whiteboard exercise Play

The effect of pressure on chemical equilibrium Animation Play

The efficiency of a motor Animation Play

The efficiency of a motor Student activity Play

The electronegativity concept Student activity Play

The electronegativity of elements and the chemical properties of their compounds Whiteboard exercise Play

The energy changes during the course of a chemical reaction Animation Play

The equation for a redox reaction Animation Play

The equilibrium for the decomposition of hydrogen iodide Animation Play

The extraction of iron from its ores in a blast furnace Whiteboard exercise Play

The extraction of iron from its ores in a blast furnace Student activity Play