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Tutor and author of apps and iBooks for high school science.
Reflex Actions (Video)
GCSEapps

Reflex Actions (Video)

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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.
Seismic Waves and the Earth's Crust (Video)
GCSEapps

Seismic Waves and the Earth's Crust (Video)

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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.
Fractional Distillation of Crude Oil (Video)
GCSEapps

Fractional Distillation of Crude Oil (Video)

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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 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.
Genes, DNA and Chromosomes (Video)
GCSEapps

Genes, DNA and Chromosomes (Video)

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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.
Phototropism (Video)
GCSEapps

Phototropism (Video)

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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.
Energy Transfer and Energy Efficiency (Video)
GCSEapps

Energy Transfer and Energy Efficiency (Video)

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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.
The Carbon Cycle (Video)
GCSEapps

The Carbon Cycle (Video)

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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.
Osmoregulation (Video)
GCSEapps

Osmoregulation (Video)

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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.
Phototropism (Video)
GCSEapps

Phototropism (Video)

(0)
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.
Emulsions (Video)
GCSEapps

Emulsions (Video)

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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.
Evolution by Natural Selection (Video)
GCSEapps

Evolution by Natural Selection (Video)

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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 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.
Atomic Structure and Ionic Bonding (Video)
GCSEapps

Atomic Structure and Ionic Bonding (Video)

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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 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.
Photosynthesis (Video)
GCSEapps

Photosynthesis (Video)

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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.
The Electricity Grid (Video)
GCSEapps

The Electricity Grid (Video)

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A short video/audio guide covering the basics of the electricity 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 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.
Hormones and Fertility (Video)
GCSEapps

Hormones and Fertility (Video)

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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.
Adult Cell Cloning (Video)
GCSEapps

Adult Cell Cloning (Video)

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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.
Atomic Structure and Ionic Bonding (Video)
GCSEapps

Atomic Structure and Ionic Bonding (Video)

(0)
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.
Cracking and Polymerization (Video)
GCSEapps

Cracking and Polymerization (Video)

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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.