Revision Buddies GCSE Science Collection

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Enable full access to all three of our science apps on all your IOS and Android devices.

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You can now get all of your Revision Buddies Science apps at the touch of a button! Download our GCSE Physics, Biology, and Chemistry apps in this convenient and affordable bundle. Three apps for the price of two, save more than 30% on the cost of buying the apps individually.

Written by teachers, our apps build confidence, knowledge and understanding in preparation for your GCSE exams. Through 1000s of comprehensive self-assessment tests as well as many additional features to enhance learning and provide a fun, effective and enjoyable revision environment, we will help you work towards achieving the best grade possible. Take charge of your revision and use our apps anywhere, anytime.

Whether you are studying higher or lower tier, OCR, Edexcel or AQA, our creators have dedicated their time to ensuring that you can adapt these apps according to your requirements so that you get the most out of your revision time.

Key features: – Choose core or additional levels of the AQA, Edexcel or OCR exam boards – 1000s of original, syllabus specific multiple choice questions – Detailed explanations to further understanding – 100s of illustrations, graphs and diagrams – Progress at your own pace using repeated tests or questions at random – Watch your knowledge improve using inbuilt progress reports – Share your results with friends or teachers on Twitter & Facebook – Gain insight into the layout of your exams through direct links to past papers & mark schemes

Our apps are written by committed Key Stage 4 teachers and examiners, determined to ensure that students get the most out of their revision. For more information on our authors and each of the topics covered in our History, Geography, RS, Physics and French apps please see our website:

What people say about Revision Buddies GCSE apps:

“Best revision app on the store – As a student going into my GCSE exams this is the most helpful revision app series on the App Store” – RB review, App Store 19 April 2014

“Great app – Really helps me revise and I have learnt a lot from this. Shows past papers and little questionnaires about certain subjects, love it.” – RB review, App Store 16 April 2014

Subjects and Content




Diet and Exercise

Ensure you know all there is about diet and exercise: Keeping healthy, the effect of food on health and the effects of lifestyle on disease, exercise and the effects of inheritance on our health; defending against infection, understanding antibiotics, mutations of bacteria and viruses, vaccinations and infectious diseases; the immune system and different forms of medication

Nerves and Hormones

Get yourself top of the class! With this topic you can test yourself on: Understanding IVF and plant hormones in horticulture; the nervous system and human reactions and receptors, sensory neurones, motor neurones, relay neurones, synapses and effectors; control in the human body, including fertility; control in plants

The Use and Abuse of Drugs

Think you know all there is to know about the use and abuse of drugs? This topic covers: Understanding drugs and their uses; addiction; the development of medical drugs and reasons behind testing – e.g. Thalidomide; recreational, illegal, and prescribed drugs; effects of drug misuse; addiction

Interdependence and Adaption

Make sure you know all you need to know on interdependence and adaptation. This topic covers: Adaptations and the fight for survival in plants and animals including in extreme conditions, understanding camouflage, fur thickness or body adaptations to different conditions; indicators of pollution and measuring environmental change

Energy Biomass in Food Chains

Find out all you need to know about energy biomass in food chains, describing food chains and biomass; understanding energy cycles and energy transfer; the Sun as a source of energy

Waste Materials from Plants and Animals

Use this topic to test yourself on the waste materials from plants and animals; decay processes and the balance of waste materials; material cycles; understanding the carbon cycle

Genetic Variation and its Control

Think you know all there is to know about genetic variation and its control? Test yourself on why organisms are different; understanding genes and inheritance; genetic and environmental characteristics; sexual and asexual reproduction; cloning techniques and genetic modification


Get to grips with evolution, the consideration of different theories of evolution such as Darwin and Lamarck; species and the similarities and differences between organisms; natural selection


Cells and Simple Cell Transport – Tissues, Organs and Organ Systems

Get yourself top of the class! With this topic you can test yourself on: Cells, cell structure and their functions in humans and plants; dissolved substances and diffusion; multicellular organisms and the development of systems; muscular, glandular and epithelial tissue; organ systems; epidermal, mesophyll and xylem and phloem tissues in plants

Photosynthesis, Organisms and the Environment

Think you know all there is to know about the use photosynthesis, organisms and the environment? This topic covers: Understanding photosynthesis and how its rate can be limited or increased; the use of glucose in plants; living organisms and their communities; relationships in these communities and factors that influence the distribution of organisms

Proteins, their Functions and Uses

Make sure you know all you need to know on proteins, their functions and uses. This topic covers: proteins and their functions; amino acids; the use of enzymes and their optimum environment; the production of enzymes and understanding their different functions within the body, in the home and in industry

Aerobic and Anaerobic Respiration

Think you know all there is to know about aerobic and anaerobic respiration? Test yourself on: understanding aerobic and anaerobic respiration; how energy is used by the body; the changes that occur within the body during exercise and the use of anaerobic respiration, the incomplete breakdown of glucose and the production of lactic acid

Cell Division and Inheritance

Get to grips with: the work of Mendel; using genetic diagrams, including family trees; dominant and recessive alleles; social and ethical issues concerning the use of stem cells from embryos and embryo screening; cell division; mitosis and genetic variation; understanding chromosomes, DNA and characteristics

Genetic Disorders and Speciation

Make sure you really know your stuff using this topic which covers: Inherited disorders such as polydactyl or cystic fibrosis and their carriers; speciation – old and new species and the development of life on earth; fossils and evidence of early life; extinction and its causes; new species and how they may arise



Classification, Variation and Inheritance

Become top of the class in this topic on classification, variation and inheritance and test your knowledge on: the classification of organisms; the main characteristics of the five kingdoms; understanding viruses; vertebrates; the complications involved in classifying species; using keys to identify species; understanding Darwin’s theory of evolution; understanding variation; the validation of scientific theory; chromosomes, genes and alleles; understanding terminology such as dominant, recessive, homozygous heterozygous etc. and inherited characteristics; genetic disorders; interpreting patterns and analyse outcomes using a genetic diagram, Punnett squares and family pedigrees

Responses to a Changing Environment

Think you know all there is to know on responses to a changing environment? Make sure you know you know by downloading this topic which covers: homeostasis and the maintenance of a stable environment; thermoregulation; the use of hormones in regulations within the body; understanding type 1 and 2 diabetes; phototropism and gravitropism in plants; auxins and gibberellins; using plant hormones; the nervous system; the structure and function of dendrons and axons; stimulation of receptors; the structure and function of sensory, relay and motor neurones

Problems and Solutions to a Changing Environment

Get to grips with the problems of and solutions to a changing environment. Further your understanding on: drugs and their effects on the central nervous system including psychological behaviour and addiction; differentiation between painkillers, hallucinogens, stimulants and depressants; the chemicals involved in smoking; the harmful effects of alcohol abuse; evaluation of data of certain drugs and its correlation with human health; the ethics of organ transplants; infectious disease and pathogens; the immune system; antibiotics; interdependence, biomass and the food chain; human populations and their contribution to pollution; using indicator species; recycling; the carbon cycle; understanding nitrogen


The Building Blocks of Cells

Be the best! Test yourself on 100s of questions covering the building blocks of cells. This topic covers: understanding the components and the functions within a bacterial and plant cell; defining DNA and its structure and the roles of scientists who discovered it; genetic engineering, its advantages and disadvantages; fertilisation; mitosis and meiosis; cloning as an example of asexual reproduction; amino acids and their different functions, including enzymes; gene mutation and its results; factors effecting enzyme action; understanding the lock and key concept

Organisms and Energy

Need some quick quiz tests on organisms and energy? Use this topic to get to grips with: respiration and the circulatory system; diffusion; aerobic and anaerobic respiration; exercise and its effect on the heart and breathing; photosynthesis and the adaptation of a leaf’s structure for this; factors that affect the rate of photosynthesis; osmosis and root hair cells; evaluating the distribution of organisms in an ecosystem

Common Systems

Consolidate your learning on Common systems using this topic to test yourself on: evidence for evolution based on the fossil record; understanding growth data; cell division, elongation and differentiation in plants; cell division and differentiation in animals; the function of parts of the blood; tissues, organs and organ systems; the structure of the heart and its function; the circulatory system; functions of the digestive system; peristalsis; digestive enzymes such as amylase and proteases; evaluation of claimed benefits of the use of functional foods such as probiotics as part of a healthy diet

OCR (21st Century)


The Processes of Life

Want to ace your exam on the processes of life? Use this topic to test yourself on all there is to know about: chemical reactions in living things; reactions in cells; the role of enzymes; understanding how plants make food; photosynthesis; cell structures for photosynthesis; osmosis, active transport and diffusion; how living organisms obtain energy; aerobic respiration; anaerobic respiration; cell structures for respiration and limiting factors

Growth and Development

100s of illustrated multiple choice questions and in depth explanations to further your knowledge on: the development of organisms; embryo development; cell specialisation in plants and animals; plant growth responses; the production of new cells; main processes of the cell cycle; comparisons of mitosis and meiosis; the role of genes in the growth and development of a cell; structure of genetic code and mechanisms for protein synthesis

Brain and Mind

Think you know your neurons from your synapses? Use this topic to test yourself on: responses to the environment; co-ordination of responses to stimuli via the central nervous system; the nervous system and the structure of neurons; transmission of electrical impulses, including synapses; effects of Ecstasy on synapse action; conditioning and simple reflex actions for survival; the mechanism of a reflex arc; conditioned reflexes; complex behavioural patterns, the formation of neuron pathways and learning through repetition; mapping brain function; models for understanding memory


You and Your Genes

Need to check you know all there is to know on You and Your Genes? Use this topic to test yourself on: Understanding genes; *** chromosomes and DNA; inheritance; the interplay between genes and the environment; sexual reproduction as a source of variation; interpretation of genetic diagrams; dominant and recessive alleles; Huntington’s disease and cystic fibrosis; genetic testing and treating genetic diseases; cloning and stem cells; ethical decisions

Keeping Healthy

Get yourself to the top of the class with this topic on Keeping healthy, including: Disease and resistance, antibodies and memory cells; antibiotics, vaccines and drug testing; the role of the heart and its structure; understanding blood pressure and heart disease; keeping a healthy water balance; understanding hormone and nervous communication systems; the role of the kidneys; ADH

Life on Earth

Ace your exams on this Life on Earth topic and test yourself on 100s of questions covering: Systems in balance; understanding species and adaptation; food webs; habitat and survival; effects of environmental change; ecosystems; calculating energy transfer in a food chain; the carbon cycle; interdependence of species; the nitrogen cycle; pollution indicators; understanding how life on Earth has evolved; natural selection; Darwin and Lamarck; understanding the importance of biodiversity; sustainability




Energy Transfer by heating processes

Energy transfer in and out of objects; energy transfer in everyday appliances; insulation and the uses of different materials; heat capacity evaluation; infrared radiation and surface absorption/reflection; kinetic theory and energy relations with solids, liquids and gases; conduction, convection, evaporation, condensation; factors that affect energy transfer; heating and insulation in buildings; understanding and using the U-factor and heat capacity

Energy and efficiency

Energy transfer, storage and dissipation; wasted energy; calculations for efficiency; the advantages and disadvantages of different electrical appliances

Using electrical appliances

Energy transfer in everyday electrical appliances and how they use energy; calculating energy transfer and cost

Generating Electricity

Evaluating different methods of generating electricity; supply and demand of electricity; differences between underground and overhead cables; power stations and energy sources; using wind and water to drive turbines; electricity production from the sun’s radiation; geothermal energy; hydroelectricity and solar cells; effects of energy use on the environment; understanding the National Grid

Waves and the Universe

Using different types of waves for communication; risks of using waves for communication; concepts of the beginning of the universe and its expansion; wave energy transfer; electromagnetic, sound and mechanical waves and their properties; wave travel through a vacuum; continuous spectrums; compression and rarefaction; reflection, refraction, diffraction; frequency, wavelength and amplitude; the wave equation; radio waves, microwaves, infrared and visible light uses in communication; red-shift; the Doppler effect; cosmic microwave background radiation; The Big Bang theory


Forces and their effects

Speed, velocity and acceleration; stopping distances; forces and terminal velocity; understanding velocity-time graphs; equal and opposite forces; resultant forces; forces and braking; forces and terminal velocity, Forces and elasticity

Kinetic energy

Forces and energy; understanding work done; gravitational potential energy; kinetic energy and its relations with mass and speed; understanding momentum

Currents and electrical circuits

Understanding static electricity; electricity conductors; charged objects repel and attract; current and voltage in electrical circuits; understanding circuit diagrams and symbols; resistance; in series and in parallel circuits; LEDs, LDRs, thermistors

Household electricity

Cells and batteries; understanding a.c. and d.c. current; mains electricity in the U.K.; the structure of an electric cable; wiring a plug; fuses and circuit breakers; current, charge and power

Atoms and radiation

Radioactive materials; background radiation; understanding atomic structure; alpha, beta and gamma radiation – similarities and differences; uses and dangers of nuclear radiation; understanding the half-life of a radioactive isotope

Nuclear fission and nuclear fusion

Uranium-235 and plutonium-239; chain reactions; the formation of stars; lifecycles of stars depending on their size; supernovas



Static and current electricity

Understanding the structure of an atom; charging insulators; effects of gaining and losing electrons; like and unlike charges; understanding earthing; using electrostatic charges; current and current in metals; direct and alternating current

Controlling and using electric current

Using ammeters in series to measure current and factors that affect current; Using voltmeters in parallel to measure potential difference; potential difference, current and resistance; variations in a current and devices; resistance in LDRs and thermistors; energy transfer between electrons and ions in a lattice; using equations to calculate electrical power and energy transferred

Motion and forces

Understanding displacement, velocity, acceleration and force; interpreting distance/time graphs and velocity/time graphs; use equations to measure speed, acceleration, force and weight; action and reaction forces; understand the relationship between force, mass and acceleration; acceleration within a vacuum; air resistance

Momentum, energy, work and power

Stopping, thinking and breaking distances and factors that affect these things; understanding friction; calculating momentum of a moving object; linear momentum and conservation; use equations to calculate work done, power, gravitational potential energy and kinetic energy

Nuclear fission and nuclear fusion

The structure of an atom; alpha and beta particles and gamma rays; losing and gaining electrons; fission of U-235; controlled nuclear chain reactions; understand the difference between nuclear fission and fusion; nuclear fusions and stars; considering scientific theories and validation amongst peers

Advantages and disadvantages of using radioactive materials

Background radiation; uses of radioactivity; lifetime of a radioactive source; measuring radioactivity and understanding a half-life; dangers of ionising radiation; understanding scientists changed perceptions of radioactivity over time; storage and disposal of nuclear waste; the advantages and disadvantages of nuclear power


Visible light and the Solar System

Geocentric and heliocentric models and the structure of the solar system; the milky way; observations of the universe with visible light; converging lenses, real and virtual images; understanding telescopes; reflection and refraction of waves between materials; understanding longitudinal and transverse waves and their relationship with sound, electromagnetic and seismic waves

The electromagnetic spectrum

Herschel and Ritter; understanding electromagnetic waves and the electromagnetic spectrum; effects of exposure to electromagnetic radiation; uses of electromagnetic radiation; understanding ionising radiations and alpha, beta particles and gamma rays

Waves and the Universe

The solar system and the Milky Way, understanding galaxies and the Universe; relative sizes of planets and the Sun; SETI and methods of gathering evidence of life beyond Earth; telescopes and their locations; life cycles of stars of different sizes

Waves and the Earth

Ultrasound and its uses; infrasound and its uses; seismic waves, earthquakes and explosions; predicting tsunamis and earthquakes; P and S waves; the structure of the Earth; plate boundaries

Generation and transmission of electricity

Understanding current and voltage and how they are measured; electricity production using non-renewable and renewable sources; factors effecting the generation of electric current; understanding direct and alternating current; transformers and the National Grid; compare and contrast advantages and disadvantages of energy-saving devices; cost efficiency and pay-back time

Energy and the future

Energy transfer chains; using diagrams to understand energy transfer; energy efficiency; understanding constant temperature; thermal radiation and absorption according to surface material

OCR (21st Century)


Explaining motion

Describing motion; calculating speed, understanding velocity and acceleration and understanding speed/velocity graphs; identifying forces and their ‘partners’; forces and motion, resultant forces and change in momentum; stopping distances and road safety; motion and energy changes; calculating word done, changes in energy, GPE and KE; understanding losses due to air resistance and friction

Electric circuits

Electric current as a flow of charge; understanding how charge moves; determining the size of current in an electric circuit and how it transfers energy; voltage; current and resistance; understanding series and in parallel circuits – voltage and current; mains electricity; generators, transformers; differentiating between alternating and direct current; electric motors, how they work and their uses

Radioactive materials

Why materials are radioactive; the structure of an atom; nuclear fusion; understanding alpha, beta and gamma radiation; the workings of a half-life; safe use and handling of radioactive materials including waste; background radiation; using radiation; nuclear fission and nuclear power stations


The Earth in the Universe

The Earth and the Universe, understanding the differences between planets, moons, the Sun etc.; stars, galaxies and space; observing the night sky; redshift; the big bang theory and the Universe; how the Earth is changing; measuring the life of Earth; Wegener and continental drift; the sea floor; tectonic plates – earthquakes, volcanoes and mountains; P and S waves; the make-up of the Earth; understanding waves

Radiation and life

Types of electromagnetic radiation; benefits and risks of using electromagnetic radiation; the ozone layer and changes in the atmosphere; protection from ultraviolet and ionising radiation; understanding greenhouse gases and the carbon cycle; global warming; waves and communication

Sustainable energy

Using energy and the primary energy sources; understanding power stations; calculate energy transfer and power and efficiency; generating electricity; understanding generators; power stations and nuclear, hydroelectric and thermal power; choosing energy sources; ionising radiation and radioactive waste; contamination and irradiation; Sankey diagrams; the National Grid; ways of reducing energy demands and using energy efficiently




The Earth’s Sea and Atmosphere; Materials from the Earth; Acids; Obtaining and Using Metals; Fuels


Atomic Structure and the Periodic Table; Ionic Compounds and Separation Techniques; Groups in the Periodic Table; Covalent Compounds and Separation Techniques; Chemical Reactions; Quantitative Chemistry



Ionic Bonding, Ionic Lattices and their Properties; Covalent Bonding, Molecules and Giant Structures; Metallic Bonding, Polymers and Nanoscience; Atomic Structure and Analysing Substances; Quantitative Chemistry; Rates of Reaction, Energy Transfer in Reactions; Acids, Bases and Salts; Electrolysis


Fundamental Ideas in Chemistry; Limestone and Building Materials; Metals and their Uses; Crude Oil and Fuels; Other Useful Substances from Crude Oil; Plant Oils and their Uses; Changes in the Earth and Atmosphere

OCR (21st Century)


Air Quality; Material Choices; Chemicals in our Lives


Chemical Patterns; Chemicals of the Natural Environment; Chemical Synthesis

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