Features – Page 5

  • Harry Kroto holding closed buckyball cages
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    Symmetry of buckminsterfullerene

    2011-06-01T00:00:00Z

    Both Euler's formula and Descartes' theorem can be used to show how buckyballs are made from closed cages of carbon pentagons and hexagons

  • FEATURE---bonding-300
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    Chemical Bonding

    2011-05-01T00:00:00Z

    A masterclass in teaching the topic of bonding, basing chemical explanation on physical forces

  • FEATURE-Bromine-p180-testtubes-150
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    Two-step bromine attack

    2010-11-01T00:00:00Z

    An experiment for the classroom to show that bromine adds to an alkene by two-step electrophilic addition

  • Chemical bonding
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    Making the most of valency

    2010-05-01T00:00:00Z

    Teachers are encouraged to use valency as a way of rationalising the atomic composition of a large number of compounds

  • Processing on an industrial scale
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    A blockbuster synthesis for undergraduates

    2010-03-01T00:00:00Z

    By investigating the synthesis of a major antiulcer drug, undergraduates get an insight into the challenges of modern process chemistry

  • The acid–base tornado
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    Chemical tornadoes

    2009-11-01T00:00:00Z

    Demonstrating acid-base reactions, fluorescence and chemiluminescence

  • image - Feature - McCaw - Fig 1 - main
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    Investigating Crystal Structures

    2009-11-01T00:00:00Z

    Sixthformers are introduced to Madelung constants as a way of investigating ionic crystal structures

  • Boltzmann distribution of the number of particles with energy E at low, medium and high temperatures
    Feature

    What is entropy?

    2009-07-01T00:00:00Z

    What's the best way to introduce to your students this most misunderstood of thermodynamic properties?

  • image - feature - walker - main 1
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    Investigations get real

    2009-01-01T00:00:00Z

    What real chemists do can be the basis of motivating investigations and learning in school chemistry

  • Electronic components connected by wires
    Feature

    Build your own spectrophotometer

    2007-09-01T00:00:00Z

    By designing and building their own visible-light spectrophotometers, students get to grips with the underlying principles of this widely used analytical tool

  • A cook preparing chips for serving
    Feature

    Experimenting with biodiesel

    2007-07-01T00:00:00Z

    The synthesis of biodiesel is exploited to teach general chemistry principles and as a way of fostering a 'green conscience' within undergraduate chemistry students

  • Structures of parsol 340, parsol 5000 and parsol MCX
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    Investigating commercial sunscreens

    2007-07-01T00:00:00Z

    Commercial sunscreens provide the basis of an industry-linked investigation suitable for students at various levels

  • equation 1
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    Making triazoles, the green way

    2007-05-01T00:00:00Z

    Triazole synthesis provides an excellent example of a reaction that has the potential to illustrate principles of green chemistry to undergraduates

  • Students conducting a miscroscale experiment
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    Microscale chemistry

    2007-03-01T00:00:00Z

    The range of school experiments being done on the microscale is growing. Here are examples from Key Stage 3, through Key Stage 4, to A-level

  • Image - Activation-Fig1
    Feature

    Investigating activation energies

    2007-01-01T00:00:00Z

    A challenge for post-16 students to investigate the activation energies of the enzyme-catalysed and the inorganic-catalysed decomposition of hydrogen peroxide

  • Creating copper
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    Applied science: on course

    2006-11-01T00:00:00Z

    Applied science has a key role in the 14-16 curriculum, and its popularity is growing

  • An image of the world made from plant debris
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    The carbon dioxide problem

    2006-03-01T00:00:00Z

    Measuring carbon dioxide from plant debris provides an opportunity for an inquiry-based experiment aimed at 14-15 year olds. Similar experiments are done by soil scientists and ecologists in their efforts to understand the global carbon cycle

  • Figure 1 - the sea-water battery
    Feature

    Rough science and homemade batteries

    2006-01-01T00:00:00Z

    Investigations involving simple batteries made from items found in the home or school laboratory can help KS3 pupils understand the origin of current, voltage and power, and the chemistry that drives batteries.