Components of the intestinal villus and their role Slideshow Play

Components transported by blood Whiteboard exercise Play

Composition of inhaled and exhaled air Chart Play

Composition of inhaled and exhaled air Student activity Play

Controlling the temperature of the reaction Animation Play

Decomposition of plastic litter Slideshow Play

Demonstration or proof? Student activity Play

Deriving the expression for equilibrium constant for ammonia synthesis reaction Animation Play

Determining the water content of a sample of soil Animation Play

Ecosystem = biocenosis + biotope Student activity Play

Equilibrium concentration of a component Animation Play

Ethanol as a stimulant Student activity Play

Fast and slow reactions Student activity Play

Forces affecting an element of a string Student activity Play

Forces exerted on a segment of a string Animation Play

Four relativistic momentum component Animation Play

Glomerular filtration Student activity Play

Harmful effects of UV radiation Slideshow Play

Harmful substances Slideshow Play

Incinerators Slideshow Play

Iron extraction Student activity Play

Lichens Student activity Play

Maximum velocity Student activity Play

Methane – another component of the carbon cycle Slideshow Play

Mineral ions in the human organism Slideshow Play