Official Journal of the Irish Science Teachers' Association Eol-Oidí Na
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SCIENCE Official Journal of the Irish Science Teachers’ Association Eol-Oidí na hÉireann, Volume 52, Number 3, May 2017 Contents Thanks Rory Geoghegan 3 Dates for Diary 4 ISTA Corporate Members 4 Chairman’s Report Seán Fogarty 5 Annual Conference 2017 Mick Moriarty 7 News & Views Mary Mullaghy 8 From the BT Young Scientist to the ... National Teacher Awards Yvonne Higgins 10 Educational Studies Association of Ireland (ESAI) Mary Mullaghy 11 St Columba's College wins CanSat Ireland 2017 Stephanie O'Neill 12 Exam Paper Archive David Malone and Hazel Murray 13 NUI Galway science initiatives Enda Connell 14 Journey through the centre of the Earth! Russell Harris 15 The Association’s Presidential medal and chain of office Adrian Somerfield 16 The flour ‘bomb’ Randal Henly 18 IoP Frontiers of Physics 2017 Paul Nugent 18 Candle–light and Climate Change John Daly 19 Some plural nouns Rory Geoghegan 19 AGM Musings Ian McCulloch 20 Three poems by Paul Holland 22 The Wonderful World of Woodlice Declan Cathcart 23 Pioneers of Science Education Peter E. Childs 25 Goldilocks goes data logging! Padraig Egan 28 Kinetic Theory ― a check on student understanding Ted Forde 30 The Doppler effect in the Leaving Certificate Physics John Murphy 31 Stravinsky, The Rite of Spring and evolution Adrian Somerfield 33 Sowing the seeds in the Primary School classroom Padraig Egan 35 Old Man’s Beard John Daly 36 Phonescope — introduction to the microscopic world David Keenahan 37 Sky and Space: Summer/Autumn 2017 Seosamh Ó Braonáin 38 The science of champagne bubbles Mary Mullaghy 39 Ionising radiation and health hazards Rory Geoghegan 40 Rebel ecology Paul Holland 42 All that glitters is not gold Paul Holland 43 CROSSWORD Randal Henly 44 Cover picture: Aesculin fluorescence Aesculin occurs in the bark of the horse-chestnut (Aesculus hippocastanum). If you put a piece of horse-chestnut twig in a glass of water aesculin dissolves in the water and gives it a light yellowish colour. If the solution is illuminated with ultraviolet light the aesculin emits blue fluorescence. Aesculin occurs in several other plants, including ash and whitethorn. Although it is poisonous it has been used by homeopaths to treat a wide variety of ailments. Clearly visible in the photograph is the characteristic horseshoe shaped leaf scar which gives the tree its name. The fruit ('conkers') of the horse-chestnut looks somewhat similar to that of the sweet chestnut but the two species are not closely related. The aesculin hydrolysis test is used in the identification of some bacterial species, especially Enterococci and Listeria. The Irish-born physicist George Gabriel Stokes (1819-1903) coined the term fluorescence in his paper on the subject in 1852. SCIENCE Vol. 52 Number 3, May 2017 1 Eol-Oidí na hÉireann IRISH SCIENCE TEACHERS' ASSOCIATION Council Executive Association President: Dr Conor O'Brien, Past Chairman of PharmaChemical Ireland [email protected] Chairperson: Seán Fogarty, Rocklands, Hempfield, Enniscorthy, Co. Wexford. [email protected] Vice-chairperson: Mr. John Loughlin, 17 Drom Oir, Knocknacarra, Galway [email protected] Honorary Secretary: Dr Maria Sheehan, St Caimin’s Community School, Shannon, Co. Clare [email protected] Past-chairperson: Stephanie Leonard, Intermediate College, Killorglin, Co. Kerry. [email protected] Treasurer: John Lucey, ‘Copsewood’, Rock Road, Mallow, Co. Cork. [email protected] Assistant Treasurer: Joe Griffin, Intermediate School, Killorglin, Co. Kerry. [email protected] Membership Secretary: Dr Declan Kennedy, Department of Education, UCC [email protected] Website Administrator: Mary Mullaghy, 26 Bailis Manor, Athlumney, Navan, Co. Meath. [email protected] Editor of SCIENCE: Rory Geoghegan, 49 Seamount, Booterstown, Co Dublin [email protected] Branch Representatives Cork: Sean Finn, 32 Old Avenue, Glanmire, Co. Cork. [email protected] Donegal: Dr David Doherty, Gortlosky, Donegal Town, Co Donegal [email protected] Dublin: John Daly, 13 Valeview Ave., Cabinteely, Dublin 18. [email protected] Dublin: Lynn Catherine Anderson, 65 Donnybrook Manor, Donnybrook, Dublin 4. [email protected] Dublin: Mary Sheridan, 83 Lambourn Park, Clonsilla, Dublin 15 [email protected] Galway: James Stephens, Banavane, Ballinamore Bridge, Ballinasloe, Co. Galway. [email protected] Kerry: Una Moroney, Intermediate College, Killorglin, Co. Kerry. [email protected] Kildare: Dorothy Fox, Scoil Conglais, Baltinglass, Co Wicklow. [email protected] Kilkenny: Aodhagán Ó Súilleabháin, Heywood Community School, Ballinakill, Co. Laois [email protected] Limerick/Clare: Maria Sheehan, St. Caimin’s Community School, Shannon, Co. Clare. [email protected] Monaghan: Catherine Murphy, Carnbane, Smithboro, Co Monaghan [email protected] North Midlands: Irene O’Sullivan, Moate Community School, Moate, Co .Westmeath [email protected] Sligo: Lorna Davey, Na Caisil, Drumiskabole, Ballisodare, Co Sligo [email protected] Tipperary: Paddy Daly, 9 The Spa, Clonmel, Co. Tipperary. [email protected] Waterford: Mary McDonagh. 5 Williamstown Village, Williamstown Road, Waterford [email protected] Wexford: Sean Fogarty, Rocklands, Hempfield, Enniscorthy, Co. Wexford. [email protected] Editorial Team Editor: Rory Geoghegan, 49 Seamount, Stillorgan Road, Booterstown, Co. Dublin [email protected] Assistant Editor for Biology: Siobhán Sweeney, 22, Ashton Park, Monkstown, Co Dublin [email protected] Assistant Editor for Chemistry: Mary Mullaghy, Eureka Secondary School, Kells [email protected] Assistant Editors for Physics: Richard Fox, Wesley College, Ballinteer, Dublin 16 [email protected] Seosamh Ó Braonáin, Wesley College, Ballinteer, Dublin 16 [email protected] Assistant Editor for Primary Science: Dr Maeve Liston, Mary Immaculate College, Limerick [email protected] 2 www.ista.ie Thanks Rory Geoghegan 'd like to avail of this opportunity to thank Changes in desktop publishing (DTP) all those who have contributed articles for SCIENCE since I took on the job of Honorary I often think of how difficult it was to put the journal together I in the days before DTP and Internet communication and so I Editor eleven years ago. During that time there have the greatest admiration for previous holders of this role. have been over two hundred contributors. Among I am thinking particularly of Randal Henly who was Editor them were four ISTA Presidents and six ISTA for 27 years (1977 – 2003), ably assisted during that time by Chairpersons: George Porter. Jerry Lynch was Circulation Manager for • Karla Lawless eleven of those years (1977 – 1987). • Matt Moran New Editor • Charles Dolan Niall O'Connor, a member of the Dublin • Dr Conor O'Brien Branch Committee, will be taking over as Honorary Editor from September next. • Seamus Ó Donghaile In the March issue (p. 35) Niall described • John Lucey how he has used modern technology • Yvonne Higgins to transform the teaching and learning process. I have no doubt he will bring a • Mary Mullaghy fresh approach to SCIENCE too. • Stephanie Leonard I wish him every success in this role and I will be happy to • Seán Fogarty. provide him with any assistance I can. Special thanks must go to four major contributors, who between them contributed over 220 articles! Fake news (or false claims) At our Annual Conference this year • Paul Holland (travel, biology, mathematics, chemistry...) we had enlightening, inspiring and • Mary Mullaghy (events, diary dates, sourcing articles...) entertaining talks. The subject of Jonathan McCrea's talk at the opening • Randal Henly (articles and crosswords) of the conference was, I think, the most • Ian McCulloch (regular Musings) important. He highlighted the vital role that science education plays in teaching Other frequent contributors were: people the value evidence. • Dr Declan Kennedy He cited studies in the US which showed that, when presented with ten sensational false claims and ten established facts, • Dr Adrian Somerfield a large majority believed the false claims. This is a very • Sheila Porter worrying situation, especially in a world in which young • Richard Fox people get their 'news' from unverified social media rather than from reliable trustworthy sources. • John Daly • Paul Nugent The final talk of the conference, by Dr Brenda Corcoran from the National Immunisation Office of HSE, illustrated the same • Seosamh Ó Braonáin phenomenon. There has been a significant fall in the uptake of • David Keenahan. the HPV vaccine in Ireland because people are more willing to believe unfounded claims rather than real evidence. This I am also indebted to current and former Assistant Editors was highlighted in the March issue of SCIENCE (p. 19). The who sourced articles and whose keen eyes spotted the mistakes fact that some young people may have got ME, for example, I had missed: following vaccination does not prove a connection. Many more people get ME without being vaccinated. Proof of a link • Sean Finn, Seosamh Ó Braonáin, Richard Fox (Physics) requires proper research and statistical evidence. Coincidence • Mary Mullaghy (Chemistry) and causation are not the same thing. • Siobhan Sweeney (Biology) • Dr Maeve Liston, Dr Tom McCloughlin, Dr Marion Palmer Slán (Primary Science). Rory Geoghegan SCIENCE Vol. 52 Number 3, May 2017 3 Dates for Diary ISTA Corporate Members SciFest Regional Finals ESA Robotics Teacher A list of dates and venues on Training Workshop www.scifest.ie 11th