GCSE Integrated Science
Mae disgrifiadau'r TGAU yn Saesneg yn unig, gan eu bod wedi eu cymryd o fanyleb Saesneg CBAC.
Integrated Science (Single Award) asks learners to read a pre-release Resource Folder worth a third of the Unit 1 paper, judge how reliable health and climate information is, write balanced evaluations, and write up a scientific enquiry alone under high control using precise scientific terms. Its numeracy load is heavy: Appendix D lists units, percentages, significant figures, substituting into equations, plotting graphs and, at higher tier, standard form, rearranging equations and gradients, all applied to energy costs, efficiency, density, motion and practical data. The single biggest thing Key Stage 3 should build is routine, confident handling of practical data: measuring with units, calculating means and values from equations, and plotting and explaining graphs.
- Addysgu gyntaf
- Medi 2026
- Faint o waith llythrennedd
- Canolig
- Faint o waith rhifedd
- Uchel
- Manyleb
- Agor manyleb CBAC (PDF)
Sut mae'r TGAU hwn yn cael ei asesu
- Unit 1: Living on Earth: Written examination (tiered), 1 hour 30 minutes, 72 marks, includes pre-release Resource Folder, 45%
- Unit 2: Science in a Changing World: Written examination (tiered), 1 hour 30 minutes, 72 marks, 45%
- Unit 3: Scientific Enquiry: One enquiry from a choice of two: practical task (1 hour) and written task (1 hour), 28 marks, externally marked by WJEC, 10%
Sgiliau sy'n defnyddio Rhesymu rhesymegol
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Calculating the cost of electricity and payback time
Learners calculate the cost of using appliances, including electric vehicles, with units used (kWh) = power (kW) x time (hours) and cost = units used x cost per unit, then use data to find payback times.
Rhifedd: Llythrennedd ariannol, Cyfrifiad, Cymhwysedd strategol, Dealltwriaeth gysyniadol, Rhesymu rhesymegol
Paratoi disgyblion
- Blwyddyn 7
- Pupils read the power rating on classroom appliances and work out which one costs most to run for an hour, given a price per kWh.
- Blwyddyn 8
- Pupils calculate the weekly cost of running a kettle, a games console and a phone charger at home, using kWh = kW x hours and a current price per unit.
- Blwyddyn 9
- Pupils compare the yearly running costs of a petrol car and an electric car from given data and work out how many years the electric car takes to pay back its extra cost.
Dangos geiriad y fanyleb a datganiadau'r Fframwaith Llythrennedd a Rhifedd
Ble mae yn y fanyleb: Unit 1, Section 1.3.1b, page 22
“use data to determine the payback time of electrical appliances, including electric vehicles.”
Cam cynnydd 3
Rwy'n gallu rheoli arian, cymharu costau siopau gwahanol a phenderfynu beth y gellir ei brynu o fewn cyllideb benodol.
Rwy'n gallu cymharu prisiau a deall pa un yw'r gwerth gorau am arian.
Rwy'n gallu lluosi rhifau a degolion â lluosrif o 10, e.e. 15 x 30, 1.4cm x 20.
Cam cynnydd 4
Rwy'n gallu gwerthfawrogi egwyddorion sylfaenol cyllidebu, cynilo (gan gynnwys deall adlog) a benthyca.
Rwy'n gallu defnyddio dulliau effeithlon i luosi a rhannu rhifau cyfan a degolion, gan gynnwys degolion megis 0.6 neu 0.06.
Rwy'n gallu blaenoriaethu a threfnu'r camau perthnasol sydd eu hangen i gwblhau'r dasg neu ddod o hyd i ddatrysiad.
Cam cynnydd 5
Rwy'n gallu blaenoriaethu a threfnu'r camau perthnasol sydd eu hangen i gwblhau'r dasg neu ddod o hyd i ddatrysiad.
Rwy'n gallu dehongli atebion o fewn cyd-destun y broblem ac ystyried a yw atebion, gan gynnwys dangosyddion cyfrifiannell, analog a digidol, yn synhwyrol.
Rwy'n gallu cyfiawnhau fy ngweithdrefnau, fy rhagfynegiadau a'm dyfaliadau.
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Analysing data, anomalies and uncertainty
Learners find means, identify anomalies, patterns and trends, and comment on uncertainty and on random and systematic error (Appendix C). The formula for uncertainty is given in the examination (page 44).
Rhifedd: Dehongli data, Rhesymu rhesymegol
Paratoi disgyblion
- Blwyddyn 7
- Pupils calculate the mean of three repeat heart rate readings, circle any anomaly and write one sentence on what the results show.
- Blwyddyn 8
- Pupils compare class ruler-drop results, find the range and any outliers, and explain whether the pattern supports their prediction.
- Blwyddyn 9
- Pupils pool class results from a pondweed photosynthesis practical, calculate means and the uncertainty for each light level, and judge how far the data support the conclusion.
Dangos geiriad y fanyleb a datganiadau'r Fframwaith Llythrennedd a Rhifedd
Ble mae yn y fanyleb: Appendix B, Scientific Enquiry Skills Framework, page 43
“interpret primary and secondary data, including identifying patterns and trends, make inferences and draw conclusions”
Cam cynnydd 3
Rwy'n gallu dod i gasgliadau o ddata ac rwy'n cydnabod y gall rhai casgliadau fod yn gamarweiniol neu'n ansicr.
Rwy'n gallu defnyddio cymedr i ddehongli set data syml.
Rwy'n gallu cyfiawnhau fy ngweithdrefnau a'm rhagfynegiadau.
Cam cynnydd 4
Rwy'n gallu defnyddio cymedr, canolrif, modd ac ystod i gymharu data (parhaus ac arwahanol), ac rwy'n gallu dewis y cyfartaledd mwyaf priodol.
Rwy'n gallu archwilio tueddiadau a gwerthoedd eithaf (allanolynnau) ar gyfer setiau data.
Rwy'n gallu archwilio canlyniadau yn feirniadol, a dethol a chyfiawnhau dewis o ystadegau, gan gydnabod cyfyngiadau unrhyw ragdybiaethau a'u heffaith ar y casgliadau.
Cam cynnydd 5
Rwy'n gallu dehongli gwybodaeth fathemategol; gan ddod i gasgliadau o graffiau, diagramau a data, gan gynnwys trafod cyfyngiadau data.
Rwy'n gallu dod i gasgliadau o ddata ac rwy'n cydnabod y gall rhai casgliadau fod yn gamarweiniol neu'n ansicr.
Rwy'n gallu llunio a datblygu dadl fathemategol.
Da gwybod
- Unit 1 includes a pre-release Resource Folder released one month before the examination: '24 marks will be allocated to questions linked to the pre-release material', and candidates receive a clean copy of the folder with the question paper (page 11).
- Unit 3 Task 2 (22 marks) is written alone: 'Learners must work independently in high controlled conditions' (page 33). In Task 1 (6 marks) learners 'may work in groups of no more than three' (page 33).
- Higher tier only mathematics is shown in bold in Appendix D (page 46): standard form, changing the subject of an equation, and determining and interpreting the gradient, slope and intercept of a linear graph. Calculating acceleration from the gradient of a speed-time graph (page 13) and calculating rate from a straight line (page 20) are also higher tier content.
- The uncertainty formula is provided: 'There is a formula to calculate this which you will be given in an exam' (Appendix C, page 44).
- AO3, 'Analyse, interpret and evaluate scientific information, processes, techniques and procedures', carries 25% of the qualification (page 35).
- The specification awards no separate marks for spelling, punctuation and grammar and makes no statement about calculator use.
Cysylltiadau â TGAU eraill
The Appendix D mathematics overlaps closely with GCSE Mathematics and Numeracy, and the carbon footprint, air quality and energy cost work overlaps with Geography.
Ffynhonnell: WJEC GCSE Integrated Science (Single Award) specification, teaching from 2026, for award from 2028, © WJEC CBAC Ltd 2025.