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 explaining the essentials of atomic structure and ionic bonding, using sodium chloride as an example. Ideas covered include: atomic numbers, groups in the Periodic Table, electron shells, stability of noble gases, transfer of electrons, electrostatic force of attraction, giant lattice structure. 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 explaining the essentials of cracking and polymerization: e.g. cracking decane to produce octane and ethene; the bromine test; polymerization of propylene; properties and uses of HDPE and LDPE. 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 covering the basics of metals: properties and uses, the reactivity series, extraction methods (heating with carbon/electrolysis), precious metals. 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 explaining the essentials of combustion: exothermic reactions of short-chain hydrocarbons, complete and incomplete combustion, consequences of combustion (carbon monoxide, soot, acid rain, global warming), catalytic converters. 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 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 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 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 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 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 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 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 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 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 explaining the essentials of fractional distillation: crude oil is a mixture, uses of different fractions, their sizes, boiling points, viscosity and volatility. 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 explaining the physics of earthquakes: plate tectonics, characteristics of primary and secondary waves, seismometers and triangulation, shadow zone. 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 explaining the greenhouse effect: includes the physics of IR radiation, graphical evidence correlating long-term CO2 levels and temperature, reasons for recent increases (e.g. combustion of fossil fuels, deforestation, industrial farming). 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 physics of earthquakes: plate tectonics, characteristics of primary and secondary waves, seismometers and triangulation, shadow zone. 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.