Chemical symbols of elements Animation Play

Chemical synapses – one-way only Animation Play

Chemical synapses – speed Animation Play

Chemical transmitters of information – hormones Whiteboard exercise Play

Chemical transmitters of information – hormones Student activity Play

Chemical weathering Student activity Play

Chemical weathering Animation Play

Chemical weathering Whiteboard exercise Play

Chemical weathering of buildings Slideshow Play

Chemical weathering of limestone rocks Slideshow Play

Chromosomal aberrations Animation Play

Classification of elements Animation Play

Classification of hormones by chemical composition Chart Play

Climate changes in the history of Earth Slideshow Play

Collection of gases evolved from chemical reactions Student activity Play

Collection of gases evolved from chemical reactions Whiteboard exercise Play

Combustion of magnesium and aluminium: a chemical change Animation Play

Compounds Student activity Play

Controlling the temperature of the reaction Animation Play

Covalent bond in hydrogen, fluorine and hydrogen fluoride molecules Animation Play

Cyclic changes in the female reproductive system Illustration Play

d- and f-block elements Animation Play

Daily changes Student activity Play

Daily changes - statements Whiteboard exercise Play

Detecting the presence of certain elements in a chemical compound Animation Play