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science de base aqa gcse

Mutation and variation

GCSE; AQA Trilogy; Variation - AQA Mutation and variation. Variation in species can be generated by genetics. Mutations arise spontaneously and can sometimes lead to genetic disorders or death.

Pyramids of biomass

GCSE; AQA; Trophic levels in an ecosystem - AQA Pyramids of biomass. Feeding relationships are shown in food chains. Each stage is a trophic level. Biomass is a measure of the total mass of living ...

AQA | Science | GCSE | Combined Science: Synergy

Combined Science: Synergy (8465) For 2024, an equations sheet will be provided for exams. This will be added as an insert with all four GCSE Combined Science: Synergy question papers, or you can download the equations sheet now.

Teaching guide: relational databases and structured …

8525 GCSE Computer Science specification. Introduction to databases . Databases are a key resource for both programmers and computer science practitioners, eg all websites that have some form of login usually have a database that supports it. How data is laid out in a database. Data in a database is stored in a . table.

AQA GCSE Physics Past Papers

June 2016 AQA Physics GCSE Past Exam Papers (4403) June 2016 Science A – Unit 1 Physics P1 Foundation (PH1FP) - Download Paper - Download Marking Scheme. June 2016 Science A – Unit 1 Physics P1 Higher (PH1HP) - Download Paper - Download Marking Scheme. Download Inserts for both papers. June 2016 Additional Science – …

GCSE Chemistry Required practical activities Practicals

Further guidance on carrying out effective practical work will be made available inthe new AQA Science Practical Handbook which will be published in the spring 2016. It will provide resources ... In this investigation you will use the reaction between an acid and an insoluble base to prepare an aqueous solution of a salt. After filtering to ...

AQA | Science | Scheme of assessment | Assessment objectives

The assessment objectives (AOs) have been set by AQA. AO1: Show knowledge and understanding of science, and how it works, and apply it where appropriate. Students should be able to: recall scientific facts. apply scientific ideas. AO2: Demonstrate the ability to design an investigation, take measurements, present data and identify …

AQA | Subjects | Science | GCSE

These guides are for use with the 2018 GCSE chemistry AQA syllabus. They can also be used for Trilogy Chemistry but do not revise the bits that say Chemistry only. They are …

3.1.1 Conservation of Mass & Balanced Chemical Equations | AQA GCSE …

The Law of Conservation of Mass states that no matter is lost or gained during a chemical reaction.; Mass is always conserved, therefore the total mass of the reactants is equal to the total mass of the products, which is why all chemical equations must be balanced The sum of the relative atomic/molecular masses of the reactants will be the same as the sum of …

GCSE Chemistry Revision Worksheets | Acid and Alkalis

GCSE Chemistry Revision and worksheets on acids and alkalis can be accessed via this dedicated page. Revise GCSE chemistry today. ... AQA, Edexcel, OCR. Past Paper ... GCSE Science Revision; KS3 Revision; KS2 Revision; KS1 Revision; Popular Products. A Level and GCSE Predicted Papers;

6.1.4 DNA & the Genome | AQA GCSE Biology: Combined Science …

DNA, or deoxyribonucleic acid, is the molecule that contains the instructions for growth and development of all organisms. DNA is a polymer made up of two strands forming a double helix. DNA is contained in structures called chromosomes. Chromosomes are located in the nucleus of cells. Genes are short lengths of DNA that code for a protein.

AQA GCSE Science Past Papers

Science GCSE Past Papers. AQA GCSE (9-1) Combined Science Trilogy (8464) and Combined Science Synergy (8465) past exam papers and marking schemes, the past …

Velocity, acceleration and distance

GCSE; AQA; Describing motion - AQA Velocity, acceleration and distance. The movement of objects can be described using motion graphs and numerical values. These are both used to help in the design ...

Acids and Bases Questions and Revision | MME

Acids and bases can be be defined in terms of the ions they produce in solution. Acids: Substances that will produce hydrogen (text {H}^+) ions in aqueous solutions. Bases: Substances that will produce hydroxide (text …

GCSE Combined Science

Find your added subjects in My Bitesize. Free online AQA Trilogy foundation/higher science tests based on past papers to increase your understanding of biology, chemistry and physics GCSE exams ...

Homeostasis in humans

GCSE; AQA; Homeostasis in humans - AQA Maintaining water balance in the body. Homeostasis is the regulation of internal conditions inside cells or organisms, to create the optimum conditions for ...

6.2.4 Genetic Engineering | AQA GCSE Biology Revision …

Lára has a particular interest in the area of infectious disease and epidemiology, and enjoys creating original educational materials that develop confidence and facilitate learning. Revision notes on 6.2.4 Genetic Engineering for the AQA GCSE Biology syllabus, written by the Biology experts at Save My Exams.

AQA GCSE Chemistry: Combined Science 2018 | Save My …

Past paper and exam-style questions, organised by topic. Course-specific and exam-aligned. Student friendly model answers written by experienced teachers & examiners. Progress tracking across 25+ topics & 1205+ questions, sorted by difficulty. Get started.

AQA | GCSE | Combined Science: Trilogy | Assessment resources

Published 12 Jan 2024 | PDF | 609 KB. Exampro: Science Onscreen [exampro.co.uk] Published 12 Dec 2023. Exampro: searchable past paper questions, marks and examiner comments [exampro.co.uk] Published 12 Dec 2023. Centre declaration form: non-exam assessment, fieldwork and live performance: 2025. Published 10 Nov 2023 | PDF | 90 KB.

GCSE Science our exams explained

Our GCSE Science papers have been carefully designed to engage students so that they can show what they can do. The papers are deliberately flexible in terms of the mixture …

AQA GCSE Computer Science Revision Notes 2020 | Save …

Fundamentals of Computer Networks. 10. Cyber Security. 11. Relational Databases & Structured Query Language. 12. Ethical, Legal & Environmental Impacts of Digital Technology. Revision notes for the AQA GCSE Computer Science syllabus, written by the Computer Science experts at Save My Exams.

AQA | Subjects | Science | GCSE

8464. Next exam: 13 May 2025. Combined Science: Trilogy - Biology Paper 1. Past papers. Science GCSE Qualifications from AQA.

Free GCSE Computer Science AQA Revision Content

Browse Study Rocket's GCSE Computer Science AQA free revision notes. GCSE Computer Science AQA – Topics. Computational Thinking and Problem Solving. Programming Languages. Programming Concepts. Number Bases - Hexadecimal. Fundamentals of Algorithms. Binary Arithmetic.

Acids and Bases Questions and Revision | MME

Acids and bases can be be defined in terms of the ions they produce in solution. Acids: Substances that will produce hydrogen (text{H}^+) ions in aqueous solutions. Bases: Substances that will produce hydroxide …

AQA | Subjects | Science

We collaborate with publishers to ensure that you have 'AQA approved' textbooks to support you and your students with Science AS and A-level, GCSE and ELC specifications. KS3 Science. Entry Level Certificate. GCSE Combined Science: Trilogy. GCSE Combined Science: Synergy.

GCSE CHEMISTRY

A substance that will neutralise an acid, but does not dissolve in water, is called a base. For example, copper ( II) oxide, iron ( II ) oxide and zinc carbonate are bases, they do not dissolve in water. (see salts made from bases or carbonates ). Any base that dissolves in water is called an alkali. For example, sodium hydroxide,

3.1.1 Acids & Bases | Edexcel GCSE Chemistry: Combined Science …

The pH Scale. The pH scale goes from 0 – 14 (extremely acidic substances can have values of below 0) All acids have pH values of below 7, all alkalis have pH values of above 7. The lower the pH then the more acidic the solution is. The higher the pH then the more alkaline the solution is. A solution of pH 7 is described as being neutral.

Triple vs Double Science GCSE | Save My Exams

AQA GCSE: There are two different AQA GCSE Combined Science courses: Trilogy and Synergy: The Trilogy course is very similar to the Triple Science course, just with some content removed. Trilogy students still take two papers per subject, but each paper is only out of a total 70 marks instead of 100 marks for the Triple …

Energy demands

GCSE; AQA; Energy demands - AQA National and global energy demands and resources. Every person, animal and device transfers energy. Much of that energy is supplied by electricity, which must be ...

Character encoding

'A' is represented by the decimal number 65 (binary 1000001, hex 41), 'B' by 66 (binary 1000010, hex 42) and so on up to 'Z', which is represented by the decimal number 90 (binary ...

Make entries | Make entries with EDI and basedata

This file will contain all the information that you need to make entries for each student. It will also give you details about the specification, such as timetables and fees. You can import basedata straight into your MIS. If you need guidance on using your MIS, you will need to contact your MIS provider. You can then set up and use JCQ's A2C ...

AQA GCSE Combined Science Revision | Quizlet

We worked with world-class publishers, partners and our team of Verified Educators to ensure these resources are of the highest quality. Use Quizlet for AQA GCSE Combined Science to learn about everything from cell biology to kinetic theory. Discover curriculum-aligned study sets and learning activities for the subjects below.

AQA | Science | GCSE | Combined Science: Trilogy

GCSE. Combined Science: Trilogy (8464) For 2024, an equations sheet will be provided for exams. This will be added as an insert with GCSE Combined Science: Trilogy Physics Paper 1 and Paper 2, or you can download the equations sheet now.

AQA | GCSE | Combined Science: Trilogy | Specification at a glance

What's assessed. Biology topics 1–4: Cell Biology; Organisation; Infection and response; and Bioenergetics. How it's assessed. Written exam: 1 hour 15 minutes. Foundation and Higher Tier. 70 marks. 16.7% of GCSE. Questions. Multiple choice, structured, closed short answer, and open response.

Acids, Bases & pH (GCSE Chemistry)

The pH scale is used as a measurement. We can use the pH scale to tell how acidic or alkaline a solution is. The scale goes from 0 to 14, where 0 is very acidic and 14 is very alkaline. GCSE Chemistry – Acids, Bases & pH. The pH scale is logarithmic. As hydrogen ion concentration in a solution increases by a factor of 10, the pH of a solution ...