Jeremy Pollard Unit 3 Unit 4 Unit 7 ASC 3 Energy & the Environment ASC 4 Applied Scientific Investigation ASC 7 Applied Energy GCE Applied Science Friday, 11 March 2016 Team talk Brian Harris – WJEC Subject Officer brian.harris@wjec.co.uk Bernie Norbury – Unit 8 & 9 b-norbury@wolgarston.staffs.sch.uk Sarah Eagle – Unit 2 & 5 saraheryr@hotmail.com Rick Littlejohn – Unit 1 & 6 riclittlejohn@yahoo.co.uk Jeremy Pollard – Unit 3, 4 & 7 drjdpollard@hotmail.com GCE Applied Science Friday, 11 March 2016 The website WJEC website http://www.wjec.co.uk/index.php?subject=101&level=21 Tinopolis http://www.appliedscience.org.uk/ GCE Applied Science Friday, 11 March 2016 Tinopolis – Website www.appliedscience.org.uk GCE Applied Science Friday, 11 March 2016 AS Unit No 1 2 3 Title of Unit (All mandatory At AS level) Health Science Analysis Energy & the Environment GCE Applied Science Mode of assessment External Portfolio Portfolio Features Human circulatory & respiratory systems Physiological Measurements Medical Ethics & Medical Imaging Written Exam Paper (Pre-release material) with Emphasis on Data Handling Taking & preparing samples & Quantitative & Qualitative analysis Chromatography & colorimetry Analytical scientific organisations Group/Team presentation & Written reports Energy from carbon-based (fossil) fuels & Energy and the community Report on experiment to measure calorific value of fuel Report on domestic hot water & Energy-related organisations Friday, 11 March 2016 A2 Unit No Title of Unit (Unit 4 mandatory; choose 2 options) Mode Of assessment 4 Applied Scientific Investigation Scientific Investigation in Applied Context External External Assessment – Set List of Titles; marked (Mandatory) externally by WJEC; controlled conditions Features 5 Applied Forensics Portfolio (Option) Identification of chemicals (organic & inorganic) in the context of Criminal and/or Archaeological Forensic Science Forensic Science (Criminal and/or Archaeological) Case Study (as shown on TV) REPORTS 6 Applied Biology Portfolio (Option) Animal Care Project REPORT Plant Propagation OR Composting Project REPORT Analysis of commercial Animal/Plant/Composting business 7 Applied Energy Portfolio (Option) 8 Applied Scientific Communication Portfolio (Option) Working in 9 Applied GCE Applied Science Science Portfolio (Option) Report on experiment to generate Renewable Energy Report on project to reduce energy consumption 4 articles on two different issues: The Environment and Application of Science; 2 written for Youth Audience; 2 written for Popular Scientific Magazine (New Scientist) Market Research and analysis of articles REPORT Report based on Work experience in scientific context. Research report of placement; Scientific tasks: Evaluation; Analysis of work-based scientific task Friday, 11 March 2016 Unit 3 – Energy & the Environment Requirements: (a) A report on a practical procedure to measure the calorific value of a carbon-based (fossil) fuel, (b) A report on the application of domestic energy and the community, including the formation, extraction and use of a fossil fuel in the context of a domestic hot water heating system report and the impact of two (2) energy related organisations involved with this process: • one organisation involved with energy production or distribution from carbon-based (fossil) fuels, AND • the second organisation involved with the application of domestic hot water systems. GCE Applied Science Friday, 11 March 2016 Unit 3 – Energy & the Environment (NEW IMPROVED) Checklist Effect of using a copper calorimeter Report B Specification Content needed The Zeroth Law Power Station Thermal Physics World Energy Statistical Analysis and here http://www.theglobaleducationproject.org/earth/energy-supply.php The Markscheme Explained Please check out Examiners Reports and Exemplar Student Portfolios on Website ‘Online’ Exemplar Portfolio Training GCE Applied Science Friday, 11 March 2016 Heat energy from the burning fuel heats up the water AND the calorimeter Water Assume the temperature change of the water is the same as the temperature change of the copper calorimeter. Assuming no other heat loss (approx.) then: Energy From Fuel = Energy heating up water + Energy heating up copper calorimeter Heat energy lost to heat up copper calorimeter EFuel = (mw.cw.T) + (mc.cc.T) Implications: Calculation is more complex. Mass of calorimeter needs to be recorded. GCE Applied Science Friday, 11 March 2016 1. Conduction 2. Convection 3. Radiation 4. (Evaporation) T1 T1 T3 T3 T2 If T1=T2 AND T3=T2 Then NO heat is transferred from 1 to 2 So… if T1>T2, HEAT will FLOW from HOT to COLD Conduction – vibration of particles (best in solids) Metals v. good conductors because they have ‘free electrons’ that quickly transfer ‘vibration’ CONVECTION CURRENT IR Radiation HOT Radiator COLD Room Conduction through metal GCE Applied Science Convection - Warmer particles Higher Temperature Move faster Get further apart Increase volume Less dense Rise Float over colder, more dense, sinking particles Radiation – Infra-red em waves emitted by hot objects. HOTTER = Higher energy = shorter wavelength Friday, 11 March 2016 Super heated steam Kinetic energy ET = 3/2kT = Ek Ek = ½ mv2 Super heated steam, turning Turbine Water turning to steam (vapourising) Latent Heat of Vapourisation, lw Steam turning to water (condensing) Latent Heat of Vapourisation / Condensation, lw Water being heated (Energy in) Specific Heat Capacity cw Combustion Breaking/Making Bonds Hc GCE Applied Science Cooling steam Cooling water (Energy out) Specific Heat Capacity cw Friday, 11 March 2016 Analysing energy statistics GCE Applied Science http://www.iea.org/publications/free_new_Desc.asp?PUBS_ID=1199 http://www.decc.gov.uk/en/content/cms/statistics/publications/dukes/dukes.aspx http://earthtrends.wri.org/datatables/index.php?theme=6 Friday, 11 March 2016 Analysing energy statistics http://www.iea.org/publications/free_new_Desc.asp?PUBS_ID=1199 http://www.decc.gov.uk/en/content/cms/statistics/publications/dukes/dukes.aspx World Energy Statistics 2009, (ABOVE) UK Energy Statistics 2009, (BELOW) GCE Applied Science http://earthtrends.wri.org/datatables/index.php?theme=6 Trends /. Patterns ? Similarities / Differences ? Implications for Society? What do YOU think about these? Friday, 11 March 2016 How long will it last? Region Proved Fossil fuel reserves (million metric tonnes of oil equivalent) 2003 Average annual production (million metric toe) Oil Coal Gas Oil Coal Gas World 156700 501172 158198 3615 2369 2292 UK 595 833 567 113 18 94 GCE Applied Science How many years before it runs out? Coal Oil Gas Friday, 11 March 2016 Unit 4 – Applied Scientific Investigation Set Tasks Examples Planning Controlled conditions in practice Management – all candidates do different tasks; trays; folders (in central tray?); 2 hour experimental slots (access out of lesson times); do as a block 4/5 hours per week for 10/12 weeks; high technician support during Doing Phase COMPLEX CALCULATIONS Markscheme Writing frame Planning Phase (followed by Plan write-up – controlled exam conditions) USE EXAMINATION PAPER Doing Phase Analysing Phase Writing-up Phase (controlled exams conditions) USE EXAMINATION PAPER Summer Submission only GCE Applied Science Friday, 11 March 2016 Aim(s): SMART Scope: Purpose: Investigation Title SP: Context: Applicability to context: Apparatus: Accuracy & Repeatability? GCE Applied Science Friday, 11 March 2016 Complex Calculations Straightforward calculations Generally these have one or two steps, for example: • percentages; • mean; • mode; • median • range; • calculations involving 1:1 ratios (volumetric analysis); • simple substitution into straightforward equations without rearrangement, e.g. P = VI to find P ; • gradients of straight-line graphs. Complex calculations Generally these have two or more steps, for example: • percentage changes; • calculations involving ratios more complex than 1:1 ratios, e.g. 1:2, 2:5; • any statistical analysis, e.g. chi-squared or t-test, calculation of standard deviation; • substitution into equations with rearrangement or use of powers or standard form • use of equations involving exponentials or logarithms • gradients of curves (tangents) • use of gradients and intercepts to find the equation of a line in the form y=mx+c. GCE Applied Science Friday, 11 March 2016 Unit 7 – Applied Energy (a) A report on a feasibility study of the possible use of the different forms of renewable energy in a domestic, commercial or educational setting AND a practical procedure to generate electricity using a renewable energy source. (b) A report on the effects of Global Warming and a feasibility study of the different ways to reduce energy consumption in a domestic, commercial or educational setting AND a practical project to reduce energy consumption. Assessment Criteria GCE Applied Science Friday, 11 March 2016 Unit 7 – Applied Energy Publisher: OUP Oxford; 2 edition (11 Mar 2004) Download from: http://www.withouthotair.com/ ISBN-10: 0199261784 ISBN-13: 978-0199261789 £28.79 (Amazon) GCE Applied Science Friday, 11 March 2016 Report A: Renewable energy •Relationship to Sun / Moon (inc. Diagram) • Hydroelectric • Wind • Active solar • Tidal • Geothermal • Wave • Biofuel •Generation principles (Energy flow) •Examples – Local(?), National / International – Details - Photos / Maps / Diagrams •Basic economics of renewable: Initial capital costs Ongoing costs Efficiency Price (cost of energy) Payback times Existing and potential contribution to national and international electrical energy generation Local environmental and social impacts •APPROX 3 or 4 sides A4 each (inc. graphics) GCE Applied Science Friday, 11 March 2016 Report A: Renewable energy • carry out an audit of a domestic, commercial or educational setting to determine the feasibility of using the different forms of renewable energy to generate electricity at the setting (+ Map / Diagrams / Data e.g. sunshine / wind info) • plan an experiment to generate some electricity from a renewable energy source, including a RISK ASSESSMENT • carry out a safe experiment to generate some electricity from a renewable energy source • measure and record relevant and precise data to enable you to analyse and calculate the electrical power and efficiency of an experiment to generate some electricity from a renewable energy source • evaluate the effectiveness of your experiment to generate electricity from a renewable energy source (Method / Data / Improvements) • produce a written report about your experiment to generate electricity from a renewable energy source (inc. Graphs / Diagrams / Charts) GCE Applied Science Friday, 11 March 2016 Report B: Global Warming • Alternative Theories: – Standard human activity-linked carbondioxide Greenhouse Effect Model – Solar Activity – Long-term planetary movements (Milankovitch cycles) – Volcanism – Denial! GCE Applied Science Friday, 11 March 2016 Report B: Global Warming • Greenhouse Effect Model: – – – – – (Own) Labelled diagram (not copy/paste) Own words text explanation Link to human activity Consequences Data • ‘Hockey stick’ graph • Geological time graph • CO2 levels v global warming data • Political initiatives to reduce GW (example) • Technological initiatives to reduce GW (example) GCE Applied Science Friday, 11 March 2016 http://www.rec.hu/sieuweb/ Clare Langdon Senior Project Officer Tel: 01209 614973 Email: clare@cep.org.uk Website: www.cep.org.uk Community Energy Plus Promoting Energy Efficiency and Renewable Energy; Fighting Fuel Poverty GCE Applied Science Friday, 11 March 2016