A short video/audio guide explaining why plants exhibit phototropism, and the role of auxins in this. 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 gene alleles and heredity: chromosome pairs are passed down from parents in sexual reproduction; dominant and recessive gene alleles; allele combinations for gene expression in the phenotype; sickle cell disease, cystic fibrosis, and polydactyly as examples; homozygous and heterozygous genotypes; using Punnett squares and genetic cross diagrams to determine probable outcomes. 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: 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 covering the essentials of this topic: including variation, competition, adaptation, survival of the 'best adapted', isolation, speciation, Darwin's finches, the fossil record, pentadactyl limbs, Lamarck's theory, chance mutations in giraffe necks. 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 emulsions: cooking oil, water and detergent as an example; hydrophilic/hydrophobic characteristics of emulsifiers; typical emulsions; health questions about food additives. 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 adult cell cloning, with specific reference to Dolly the sheep. The animation also covers cloning, sexual and asexual reproduction, identical human twins. 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 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, fossilization, combustion. 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: the fundamentals of photosynthesis. 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 interactions and dependencies in food chains and food webs. 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: the role of the kidneys, ADH, negative feedback etc. 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 blood glucose levels are controlled by the pancreas via insulin, glucagon, and negative feedback. 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: explaining the menstrual cycle, the role of hormones, IVF. 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: the roles in thermoregulation of the hypothalamus, sweating, blood vessels, hair on the skin, negative feedback. 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 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 nitrogen cycle: N2 in the atmosphere is inert; nitrogen-fixing bacteria and decomposition produce ammonia/ammonium; fixation can also occur with lightning; nitrifying bacteria produce nitrates; nitrates enter the food chain through plants; denitrifying bacteria return some N2 to the air. 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 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 and function of white blood cells. 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 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 that gets straight to the essence of this topic: how reflex actions work, using the example of a foot treading on a pin. 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.