A short video/audio guide covering the basics of the National Grid: collisions of free electrons in metal wires heats the wire; energy is lost in transmission; power = voltage x current; step-up and step-down transformers; turns ratio calculations. Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.

A short video/audio guide covering the basics of metals: properties and uses, the reactivity series, extraction methods (heating with carbon/electrolysis), precious metals. Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.

A short video/audio guide covering the basics of waves: e.g. oscillations, energy transfer, radiation; difference between mechanical and electromagnetic waves; different waves of the electromagnetic spectrum, their uses and hazards; transverse and longitudinal waves; compression and rarefaction; calculations of speed/frequency/wavelength. Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.

A short video/audio guide explaining the life cycle of massive stars: gravity brings dust and gas together; nuclear fusion forms protostar (H fuses to He); main sequence balances gravity and electromagnetic radiation; red supergiant phase, supernova explosion and neutron star/black hole phases end the cycle. Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.

A short video/audio guide explaining the essentials of cracking and polymerisation: e.g. cracking decane to produce octane and ethene; the bromine test; polymerisation of propylene; properties and uses of HDPE and LDPE. Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.

A short video/audio guide to red shift and the Doppler effect: red shift in the light from distant galaxies; Doppler effect of an ambulance siren (speed of sound in air, pitch/frequency, wavelength); red shift as evidence for the Big Bang; also CMBR. Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.

A short video/audio guide explaining the basics of energy transfer: energy is stored in different forms, transferring energy changes its form; law of conservation of energy; Sankey diagrams; inefficiencies in power stations; equation of energy efficiency. Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.

A short video/audio guide that gets straight to the essence of this topic: the role of the kidneys, ADH, negative feedback etc. Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.

A short video/audio guide that gets straight to the essence of this topic: the roles in thermoregulation of the hypothalamus, sweating, blood vessels, hair on the skin, negative feedback. Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.

A short video/audio guide that gets straight to the essence of this topic: how blood glucose levels are controlled by the pancreas via insulin, glucagon, and negative feedback. Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.

A short video/audio guide explaining the interactions and dependencies in food chains and food webs. Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.

A short video/audio guide that gets straight to the essence of this topic: explaining the menstrual cycle, the role of hormones, IVF. Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.

A short video/audio guide explaining the carbon cycle. The animation carefully deals with all the concepts involved, systematically taking students through the standard diagram via an animated sequence describing photosynthesis, feeding, respiration, decomposition, fossilisation, combustion. Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.

A short video/audio guide explaining why plants exhibit phototropism, and the role of auxins in this. Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.

A short video/audio guide explaining the fundamentals of photosynthesis. Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.

A short video/audio guide explaining adult cell cloning, with specific reference to Dolly the sheep. The animation also covers cloning, sexual and asexual reproduction, identical human twins. Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.

A short video/audio guide explaining the life cycle of stars like our Sun: gravity brings dust and gas together; nuclear fusion forms protostar (H fuses to He); main sequence balances gravity and electromagnetic radiation; red giant, white dwarf and black dwarf phases end the cycle. Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.

A short video/audio guide that gets straight to the essence of this topic: how genetic mutations lead to 'superbugs' like MRSA. The role of chance and the idea of harmful/beneficial mutations are explored. Designed for test prep, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.

A short video/audio guide that gets straight to the essence of this topic: how genetic mutations lead to 'superbugs' like MRSA. The role of chance and the idea of harmful/beneficial mutations are explored. Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.

A short video/audio guide explaining the essentials of genetics: the role of genes, chromosome structure, DNA, cell cloning and specialisation, sexual reproduction, X and Y gametes, variation. Designed for test prep, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.