Get the best experience in our app Enjoy offline reading, category favourites, and instant updates - right from your pocket. Download the App Maybe later Home Archived Overheard Back Overheard 28th February 2014, 12:00am Tes Editorial Share Overheard https://www.tes.com/magazine/archive/overheard-24 Copy Link In a science class.Teacher: What do we have a lot of in Scotland that could be used to generate renewable energy?Student: Sheep.Email your contributions to letters@tes.co.uk or tweet them to @tes. Want to keep reading for free? Register with Tes and you can read five free articles every month, plus you'll have access to our range of award-winning newsletters. Register Log in Register with Tes and you can read five free articles every month, plus you'll have access to our range of award-winning newsletters. More information Keep reading for just £4.90 per month /per month for 12 months You've reached your limit of free articles this month. Subscribe for £4.90 per month for three months and get: Unlimited access to all Tes magazine content Exclusive subscriber-only stories Award-winning email newsletters Subscribe now You've reached your limit of free articles this month. Subscribe for £4.90 per month for three months and get: Unlimited access to all Tes magazine content Exclusive subscriber-only stories Award-winning email newsletters More information Read more Teacher interview questions: what will I be asked? Tes Editorial • 10th October 2025 Sats week: key test dates for 2026 Tes Editorial • 1st October 2025 5 top Tes articles for school leaders Tes Editorial • 19th August 2025 5 top Tes articles on the science of learning Tes Editorial • 12th August 2025 Recent Most read Most shared SEND reform: Experts at hand service could be a game-changer Analysis 28 February 2026 Teacher strike ballot opens over pay and workload News 28 February 2026 15% of secondary teachers not confident identifying SEND News 27 February 2026 The SEND reforms are out - now the real tests begin Analysis 25 February 2026 Do banded books make for poorer readers? Teaching & Learning 25 February 2026 3 in 5 people see teaching as ‘unappealing’ News 25 February 2026 SEND reforms a ‘massive demand’ on schools, says DfE boss News 26 February 2026 SEND reform plans ‘risk overwhelming Sendcos’ News 27 February 2026 Head retention policies a welcome focus - but will it be enough? Analysis 26 February 2026