- Study guides, Class notes & Summaries

AQA GCSE PHYSICS 8463/1F Paper 1 Foundation Tier Mark scheme June 2025

-

30 pages

Written in 2025/2026

Grade A+

papersbybree

IGCSE Combined Science revision notes

-

12 pages

Written in 2023/2024

Grade A+

johngatheca

AQA GCSE PHYSICS 8463/2F Paper 2 Foundation Tier Mark scheme June 2025

-

26 pages

Written in 2025/2026

Grade A+

papersbybree

AQA GCSE CHEMISTRY Foundation Tier Paper 2 QP JUNE 2025

-

49 pages

Written in 2025/2026

Grade A+

papersbybree

AQA GCSE CHEMISTRY 8462/1F Paper 1 Foundation Tier Mark scheme June 2025

-

32 pages

Written in 2025/2026

Grade A+

papersbybree

AQA GCSE CHEMISTRY 8462/2F Paper 2 Foundation Tier Mark scheme June 2025

-

28 pages

Written in 2025/2026

Grade A+

papersbybree

AQA GCSE PHYSICS Foundation Tier Paper 1 QP MAY 2025

-

70 pages

Written in 2025/2026

Grade A+

papersbybree

AQA GCSE PHYSICS 8463/1F Paper 1 Foundation Tier Mark scheme June 2025

-

59 pages

Written in 2025/2026

Grade A+

papersbybree

AQA GCSE BIOLOGY Foundation Tier Paper 1F QP MAY 2025

-

54 pages

Written in 2025/2026

Grade A+

papersbybree

AQA GCSE BIOLOGY Foundation Tier Paper 2F QP JUNE 2025

-

64 pages

Written in 2025/2026

Grade A+

papersbybree

AQA GCSE BIOLOGY 8461/1F Paper 1 Foundation Tier Mark scheme June 2025

-

32 pages

Written in 2025/2026

Grade A+

papersbybree

AQA GCSE BIOLOGY 8461/2F Paper 2 Foundation Tier Mark scheme June 2025

-

33 pages

Written in 2025/2026

Grade A+

papersbybree

AQA GCSE CHEMISTRY Foundation Tier Paper 1 QP MAY 2025

-

60 pages

Written in 2025/2026

Grade A+

papersbybree

What are hydrocarbons? - Answer Compounds that only contain carbon and hydrogen. What are the two types of hydrocarbon? - Answer Alkanes and alkenes. What is the general formula for an alkane? - Answer CnH2n+2 Multiple choice: Hydrocarbons / Alkanes / Alkenes only have C-C single bonds. - Answer Alkanes. Fill in the gaps (1): The alkanes are a —— series; a group of elements that react in a similar way. - Answer Homologous. Multiple choice: Alkanes are saturated...

-

3 pages

Written in 2024/2025

Grade A+

TestSolver9

What type of reaction is photosynthesis? - Answer endothermic What is the word equation for photosynthesis? - Answer Carbon dioxide + water -> glucose + oxygen What factors can limit photosynthesis? (4) - Answer Light, temperature, amount of chlorophyll and carbon dioxide concentration. Chemically, what is the reverse of photosynthesis? - Answer respiration What type of reaction is respiration? - Answer exothermic What happens to your muscles if you work hard for...

-

2 pages

Written in 2024/2025

Grade A+

TestSolver9

What are all substances made out of? - Answer Atoms One type of atoms joined together - Answer Elements Two or more elements chemically bonded - Answer Compounds Two or more elements not chemically bonded - Answer Mixtures Why do scientists use chemical formulae? - Answer To find out how many compounds are in each element How are compounds separated? - Answer Electrolysis What are the reactants? - Answer Substances that are reacted What are the products?...

-

6 pages

Written in 2024/2025

Grade A+

TestSolver9

What is an ecosystem? - Answer An ecosystem is the interaction of a community of living organisms (biotic) with the non-living (abiotic) parts of their environment. What do organisms require from their surroundings in order to survive and reproduce? - Answer A supply of materials from their surroundings State four factors plants compete with each other for. - Answer Space, light, mineral ions, water State three factors animals compete with each other for. - Answer Food, mate...

-

4 pages

Written in 2024/2025

Grade A+

TestSolver9

what is a rate of reaction? - Answer the speed of a reaction what is the equation for rate of reaction? - Answer quantity of reactant used up/time taken or quantity of product formed/time taken what unit do we normally use for time? - Answer seconds what unit do we normally use for mass? - Answer grams what unit do we normally use for a rate of a reaction? - Answer grams/second you can also measure a rate of a reaction using ... - Answer a graph how do you c...

-

9 pages

Written in 2024/2025

Grade A+

TestSolver9

What is the effect of adding NaOH to iron (III) (Fe³⁺)? Then adding ammonia solution? - Answer Adding NaOH: red/brown precipitate. Insoluble in excess. Adding ammonia solution: same as before. What is the effect of adding NaOH to zinc (Zn)? Then adding ammonia solution? - Answer Adding NaOH: white precipitate forms. Dissolves in excess to form colourless solution. Adding ammonia solution: same as before. State the colours for lithium (Li⁺), sodium (Na⁺), potassium (K⁺), ...

-

3 pages

Written in 2024/2025

Grade A+

TestSolver9

pure substance - Answer single element, compound or substance not mixed with another substance physical processes - Answer mixtures can be separated by... simple distillation - Answer evaporating water and condensing it in a separate container fractional distillation - Answer evaporating liquids with different boiling points filtration - Answer screening and sieving to remove solids chromatography - Answer using a solvent to separate pigments so you can identify ...

-

26 pages

Written in 2024/2025

Grade A+

TestSolver9

Plasma - Answer Transports dissolved substances around the body red blood cells - Answer Transports oxygen from lungs to body cells white blood cells - Answer Protects body against infection Ateries - Answer Carries blood away from the heart Veins - Answer Carries blood into the heart Capillaries - Answer Substances such as oxygen and glucose to diffuse in and out of cells Platelets - Answer Helps the blood to clot Correlation - Answer Doesn't prov...

-

6 pages

Written in 2024/2025

Grade A+

TestSolver9