All Atmosphere articles – Page 4

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    On This Day – Sep 16 : Montreal Protocol

    The treaty agreed that the production and consumption of compounds that depleted ozone (O3) in the stratosphere, such as chlorofluorocarbons (CFCs), were to be phased out. The ozone layer is expected to recover by 2050 if agreements are kept.

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    On This Day - Oct 11 : Nobel prize for ozone

    They were awarded the Nobel Prize in Chemistry for their work on the formation and decomposition of ozone (O3). Their research showed that chlorofluorocarbons (CFCs) cause holes in the Earth’s protective ozone layer.

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    On This Day – Aug 11 : Solar eclipse visible

    This was the first visible total eclipse from the UK since 29th June 1927. Scientists at the Rutherford Appleton Laboratory used the eclipse as an opportunity to carry out experiments on radio waves and investigate the composition of the Earth’s ionosphere.

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    28 chemistry puzzles for 14-16 years

    Use these sudoku-inspired puzzles with printable worksheets and answers to help 14–16 year olds consolidate their understanding of key chemical concepts.

  • Apollo 13 capsule
    The Mole

    Apollo 13 – lithium hydroxide saves the day

    2011-09-01T16:11:00Z

    On screen chemistry with Jonathan Hare

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    Molybdenum and evolution

    2011-09-01T00:00:00Z

    Recent discoveries indicate that our atmosphere was not always oxygen rich - molybdenum could have been the limiting factor in the evolution of life on earth

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    The evolution of catalytic converters

    2011-06-01T00:00:00Z

    From early smog problems to modern concerns about air pollution, catalysts pave the way in controlling the emissions from combustion engines

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    Ocean Acidification

    2009-11-01T00:00:00Z

    Recent evidence suggests that ocean removal of carbon dioxide from the atmosphere is having serious consequences for marine life

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    Exhibition chemistry

    Carbon monoxide

    2009-03-01T00:00:00Z

    Demonstrations designed to capture the student's imagination

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    CF3SF5 - a 'super' greenhouse gas

    2008-01-01T00:00:00Z

    Trifluoromethyl sulfur pentafluoride - a byproduct of the electronics industry - has been named a 'super' greenhouse gas by physical chemists

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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