The earliest known living organisms Student activity Play

The effect of an increase in temperature on pressure and volume of a gas Animation Play

The effect of cooling on the volume of bodies Student activity Play

The effect of pressure on chemical equilibrium Animation Play

The effect of temperature on the pressure and volume of a gas Student activity Play

The effect of temperature on the pressure and volume of a gas Whiteboard exercise Play

The effect of temperature on the solubility of gases Animation Play

The effects of combinatorial variation Animation Play

The effects of combinatorial variation Student activity Play

The emergence of eukaryotic organisms Slideshow Play

The equilibrium constant expression of the homogeneous reaction Animation Play

The equilibrium constant Kp Student activity Play

The equilibrium for the decomposition of hydrogen iodide Animation Play

The evolution of blood groups Slideshow Play

The evolution of invertebrates Slideshow Play

The evolution of invertebrates Student activity Play

The evolution of the plant world Student activity Play

The evolution of vertebrates Slideshow Play

The evolution of vertebrates Student activity Play

The flame of a gas Bunsen burner Animation Play

The force exerted by a single gas molecule against the walls of a vessel Student activity Play

The force exerted by a single gas molecule against the walls of a vessel Animation Play

The force exerted by a single gas molecule against the walls of a vessel Simulation Play

The formation of coal Slideshow Play

The formation of crude oil and natural gas deposits Animation Play