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  1. Radioactive Decay (1996 Video)

    Subject
    Physics
    Distribution
    Sale, Videocassette. VHS. col. 28 min., 2004 sale: £29.00 (+VAT+ p&p)

    Introduces radioactive decay, using radioactive dating for artifacts and fossils as examples. Explains how to describe decay in terms of nuclear equations and half-life calculations.

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  2. Electromagnetic Induction: Transformers (1996 Video)

    Subject
    Physics
    Distribution
    Sale, Videocassette. VHS. col. 28 min., 2004 sale: £29.00 (+VAT +p&p)

    Explains the operating principles of the transformer and gathers empirical evidence to deduce the relationships among the important variables at work. Assesses the benefits of high-voltage transmission and...

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  3. Current Electricity (1996 Video)

    Subject
    Physics
    Distribution
    Sale, Videocassette. VHS. col. 28 min., 2004 sale: £29.00 (+VA + p&p)

    Investigates electric-current concepts by means of discussion, laboratory work and interviews. The viewer is challenged to devise a source of potential difference from provided materials. Discusses the...

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  4. Quantum Nature of Light - Part 1 : The Photon Model of Light (1996 Video)

    Subject
    Physics
    Distribution
    Sale, Videocassette. VHS. col. 28 min., 2000 sale: £35.00 (+VAT)

    Observes the behaviour of light in experiments involving black body radiation and the photoelectric effect. When the observations are analysed from the point of view of Maxwell’s model of light, it is...

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  5. Hess’s Law and Enthalpy Communication (1996)

    Subject
    Chemistry
    Distribution
    Sale, VHS (PAL, 28 minutes), £35.00

    Shows how enthalpy changes can be communicated in three ways; demonstrates Hess’s Law using calorimetry and potential energy diagrams; demonstrates a Hess’s Law shortcut using moral enthalpies of formation.

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  6. Electrochemical Changes: Assigning Oxidation Numbers and Balancing Half-Reactions (1996)

    Subject
    Chemistry
    Distribution
    Sale, VHS (PAL, 28 minutes), £35.00

    Explains oxidation numbers within molecules and polyatomic ions using detailed graphics; shows various examples of the rules for assigning oxidation numbers; explains the rules for writing half-reactions...

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  7. Electromagnetic Induction: Lenz’s Law (2003)

    Subject
    Physics
    Distribution
    Sale, VHS (PAL, 28 minutes), £29.00

    Explains the self-regulating nature of electric motor speeds and demonstrates the application of Lenz’s Law. Shows how the back EMF of an electrical motor can be determined using measurements and...

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  8. Equilibrium, Acids and Bases in Chemical Changes: Bronsted-Lowry Acid-Base Systems (1996)

    Subject
    Chemistry
    Distribution
    Sale, VHS (PAL, 28 minutes), £35.00

    Discusses the limitations of Arrhenius’ Theory and shows how a new theory involving proton transfer (the Bronsted-Lowry Theory) explains these limitations. Explains acids and bases and their conjugates,...

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  9. Electrostatics and Electric Forces (2 Parts) (1997)

    Subject
    Physics
    Distribution
    Sale, VHS (PAL, 2 x 28 minutes), £39.00 the series

    Two videos on Coulomb’s law and how Coulomb forces operate in real life.

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  10. Conservation of Momentum (3 Parts) (1997)

    Subject
    Physics
    Distribution
    Sale, VHS (PAL, 3 x 28 minutes), £49.00 the series

    A series of three videos explaining the concepts of impulse and momentum, and conservation and momentum. Also shows how to analyse one- and two-dimensional collisions using vector addition

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