# GCSE Combined Science (8464) tutoring online

> Our GCSE Combined Science tutors teach AQA Combined Science: Trilogy 8464, Pearson Edexcel 1SC0 and OCR Gateway Combined Science A J250 in live 1:1 or small-group online classes. Lessons cover biology, chemistry and physics side by side, with practice across all six papers at Foundation or Higher tier.

Source: https://www.gradeupinternational.com/gcse/combined-science
Last updated: 2026-10-01
Publisher: GradeUp International (https://www.gradeupinternational.com/)

Taught by: our most qualified teachers for the subject.

Combined Science is the route most students in England take through science, and it is worth two GCSEs rather than one. It covers biology, chemistry and physics in less depth than the three separate sciences, which leaves timetable space for other option subjects. Students who perform strongly can still go on to A Level Biology, Chemistry or Physics, although each sixth form sets its own requirements and some prefer Higher tier entry.

Assessment is linear, with six written papers sat at the end of Year 11: two each for biology, chemistry and physics. The result is reported on a 17-point double grade scale from 9-9 down to 1-1, so a student might receive 6-5 rather than two unrelated grades. Both Foundation and Higher tiers are offered. There is no practical coursework; instead, knowledge of the practical activities completed in class is examined within the written papers.

Because three sciences share one qualification, the biggest challenge is often breadth: students must switch from cell biology to mole calculations to electricity within a few weeks of exams. Recalling and rearranging equations trips up many candidates, as do six-mark extended responses that demand a logical sequence. KS3 science gives a broad grounding, but GCSE expects far more quantitative work, and students arriving from International GCSE Double Award Science will need to adjust to the UK paper structure.

## How is GCSE Combined Science examined?

### AQA GCSE Combined Science: Trilogy (8464), AQA

| Paper | Duration | Marks | Weighting |
| --- | --- | --- | --- |
| Biology Paper 1 | 1 hour 15 minutes | 70 | 16.7% of GCSE |
| Biology Paper 2 | 1 hour 15 minutes | 70 | 16.7% of GCSE |
| Chemistry Paper 1 | 1 hour 15 minutes | 70 | 16.7% of GCSE |
| Chemistry Paper 2 | 1 hour 15 minutes | 70 | 16.7% of GCSE |
| Physics Paper 1 | 1 hour 15 minutes | 70 | 16.7% of GCSE |
| Physics Paper 2 | 1 hour 15 minutes | 70 | 16.7% of GCSE |

Worth two GCSEs, graded on a 17-point double scale from 9-9 to 1-1. Foundation and Higher tiers are available.

Official syllabus: https://www.aqa.org.uk/subjects/science/gcse/science-8464/specification

### Pearson Edexcel GCSE (9–1) Combined Science (1SC0), Pearson Edexcel

| Paper | Duration | Marks | Weighting |
| --- | --- | --- | --- |
| Biology Paper 1 | 1 hour 10 minutes | 60 | 16.67% of GCSE |
| Biology Paper 2 | 1 hour 10 minutes | 60 | 16.67% of GCSE |
| Chemistry Paper 1 | 1 hour 10 minutes | 60 | 16.67% of GCSE |
| Chemistry Paper 2 | 1 hour 10 minutes | 60 | 16.67% of GCSE |
| Physics Paper 1 | 1 hour 10 minutes | 60 | 16.67% of GCSE |
| Physics Paper 2 | 1 hour 10 minutes | 60 | 16.67% of GCSE |

Worth two GCSEs, graded on a 17-point double scale from 9-9 to 1-1. Foundation and Higher tiers are available.

Official syllabus: https://qualifications.pearson.com/en/qualifications/edexcel-gcses/sciences-2016.html

### OCR GCSE (9–1) Combined Science A (Gateway Science) (J250), OCR

| Paper | Duration | Marks | Weighting |
| --- | --- | --- | --- |
| Paper 1 (Foundation) / Paper 7 (Higher) | 1 hour 10 minutes | 60 | 16.7% of GCSE |
| Paper 2 (Foundation) / Paper 8 (Higher) | 1 hour 10 minutes | 60 | 16.7% of GCSE |
| Paper 3 (Foundation) / Paper 9 (Higher) | 1 hour 10 minutes | 60 | 16.7% of GCSE |
| Paper 4 (Foundation) / Paper 10 (Higher) | 1 hour 10 minutes | 60 | 16.7% of GCSE |
| Paper 5 (Foundation) / Paper 11 (Higher) | 1 hour 10 minutes | 60 | 16.7% of GCSE |
| Paper 6 (Foundation) / Paper 12 (Higher) | 1 hour 10 minutes | 60 | 16.7% of GCSE |

Worth two GCSEs, graded on a 17-point double scale from 9-9 to 1-1. Foundation tier students sit Papers 1–6 and Higher tier students sit Papers 7–12.

Official syllabus: https://www.ocr.org.uk/qualifications/gcse/gateway-science-suite-combined-science-a-j250-from-2016/

## What topics are in GCSE Combined Science?

- Biology: Cell biology: Calculating magnification without first converting micrometres and millimetres to the same unit
- Biology: Infection and response: Stating that antibiotics treat viral infections, or confusing antibodies with antigens
- Biology: Homeostasis and response: Describing a reflex arc without naming the relay neurone or explaining the role of the synapse
- Biology: Inheritance, variation and evolution: Completing a Punnett square but not giving the probability, ratio or percentage the question actually asks for
- Chemistry: Atomic structure and the periodic table: Mixing up mass number and atomic number when working out the number of neutrons
- Chemistry: Quantitative chemistry: Forgetting to multiply relative atomic masses by the subscripts when calculating a relative formula mass
- Chemistry: Chemical changes: Naming the wrong product at each electrode when predicting what forms during electrolysis
- Chemistry: The rate and extent of chemical change: Explaining a change in rate without mentioning the frequency of successful collisions
- Physics: Energy: Forgetting to square the speed when using the kinetic energy equation
- Physics: Electricity: Saying current is shared between components in series, or that potential difference splits across parallel branches
- Physics: Forces: Substituting grams or km/h straight into an equation instead of converting to kilograms and metres per second
- Physics: Waves: Labelling amplitude from trough to peak instead of from the rest position to a peak

## How do you get top marks?

- Write the equation before substituting values into it; this can earn a method mark even when the arithmetic goes wrong.
- Plan revision so that biology, chemistry and physics are each visited every week instead of leaving one science until the final month.
- For six-mark questions, set out a logical sequence of steps using scientific vocabulary; a list of disconnected facts rarely reaches the top level.
- Revise each class practical by its method, variables and sources of error, because practical questions can appear on any of the six papers.
- Include units with every numerical answer and match the number of significant figures to the data given.

## Fees

1:1: PKR 2,800 / AED 110 / GBP 22 per 60-minute class. Small group: PKR 9,500 per month. [All currencies](https://www.gradeupinternational.com/pricing).

## Frequently asked questions

### Is GCSE Combined Science worth two GCSEs?

Yes, GCSE Combined Science is worth two GCSEs and is awarded as a double grade on a 17-point scale from 9-9 to 1-1. A student might receive 7-7 or 7-6, for example, and the two numbers are always equal or adjacent. The award counts as two GCSE passes when sixth forms and colleges ask for a set number of GCSEs.

### Is triple science better than combined science?

Neither route is better overall: triple science suits students who enjoy the sciences and want greater depth, while combined science covers the same three disciplines more briefly and frees space for other subjects. Triple science gives three separate grades and slightly fuller preparation for A Level sciences. Many students still progress to A Level sciences from combined science when they meet their sixth form's entry grades.

### Can you do A Level Physics with Combined Science?

Yes, many sixth forms accept students onto A Level Physics, Chemistry or Biology with a strong Combined Science double grade, often from the Higher tier. Each school or college sets its own requirement, so families should check it early. Students moving from Combined Science to an A Level science benefit from reviewing content they did not meet, such as space physics.

### How is GCSE Combined Science graded?

GCSE Combined Science is graded on a 17-point double scale running from 9-9 at the top down to 1-1, with each step changing one half of the pair. The grade reflects combined performance across all six papers rather than a separate grade for each science. This means a weaker physics paper can be balanced by stronger biology and chemistry results.

### How many papers are there in GCSE Combined Science?

GCSE Combined Science has six written papers, two each in biology, chemistry and physics, all sat at the end of Year 11. On AQA Trilogy each paper lasts 1 hour 15 minutes and carries 70 marks; on Pearson Edexcel and OCR Gateway each paper lasts 1 hour 10 minutes and carries 60 marks. Every paper is worth roughly one sixth of the result.

### Should my child take Foundation or Higher tier Combined Science?

The right tier for GCSE Combined Science depends on a student's current performance and target grade, so the decision should rest on recent mock results. Higher tier gives access to the top grades and is generally preferred for A Level science, while Foundation tier limits the maximum grade but contains more accessible questions. Our tutors can share progress notes to help families discuss entry with the school.