AQA GCSE Study guides, Class notes & Summaries

AQA GCSE PHYSICS 8463/2H Paper 2 Higher Tier Version: 1.0 Final *JUN2384632H01* IB/M/Jun23/E9 8463/2H For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 TOTAL Friday 16 June 2023 Morning Time allowed: 1 hour 45 minutes Materials For this paper you must have: • a ruler • a scientific calculator • a protractor • the Physics Equations Sheet (enclosed). Instructions • Use black ink or black ball-point pen. Pencil should only be used for drawing. • Fill in ...

le bruit noise le camion lorry la circulation traffic conduire (conduit) to drive les déchets (m) rubbish / waste se déplacer to get round émettre (émis) to emit l'embouteillage (m) traffic jam l'environnement (m) the environment les gaz (m) d'échappement exhaust fumes l'heure (f) d'affluence rush hour jeter to throw (away) le moyen de transport means of transport la piste cyclable ...

circuit a complete, closed path through which electric charges can flow conduction transfer of electrons when one object touches another conductor a material in which charges can move easily. Most metals are fit this description because some of the electrons in metals are free to move about (they are delocalised). electrical energy power times time electron a negatively charged particle found outside the nucleus insulator a material in which charges canno...

What is homeostasis? The regulation of the conditions inside your body and cells to maintain a stable internal environment, in response to changes in both internal and external conditions Name three coordination centres The brain, the spinal cord and the pancreas What is negative feedback? When your body brings the level of something (e.g. water or temperature) back to normal if it becomes too high or too low What detects a stimulus? A receptor, e.g. skin receptors detec...

Active transport The movement of substances from a more dilute solution to a more concentrated solution (against a concentration gradient) with the use of energy from respiration. Adult stem cell A type of stem cell that can form many types of cells. Agar jelly A substance placed in petri dishes which is used to culture microorganisms on. Cell differentiation The process where a cell becomes specialised to its function. Cell membrane A partially permeable barrier...

State the six macroeconomic objectives Maintaining full employment Economic growth Achieving price stability Balacing exports and imports Environmental sustainability Reducing inequality Give examples of how different macroeconomic objectives can conflict with each other Economic growth and stable inflation Economic growth and balance of payments Unemployment and stable inflation Economic growth and inequality Economic growth and environmental sustainability. Explain wha...

Centralisation Maintaining control by keeping authority at the senior levels of the organisation. Chain of command The line through the hierarchy that shows who is responsible for whom from top to bottom of an organisation. Contracts of employment A legal document that sets out the terms and conditions of the job for the employer and the employee. Decentralisation Where authority is spread widely through the organisation. Delayering The reorganisation of the orga...

plus, moins more, less plus que, moins que more then, less than bon, meilleur, le meilleur good, better, the best mauvais, pire, le pire bad, worse, the worst bien, mieux, le mieux well, better, the best beaucoup, plus, le plus a lot, more, the most peu, moins, le moins a little, less, the least à cause de because of à part except for ainsi so, therefor alors so aussi also car because cepend...

AQA Chemistry GCSE - Chemical Bonds - Ionic, Covalent and Metallic 10 Exam Questions and Complete Solutions

AQA Chemistry GCSE - Chemical Bonds - Ionic, Covalent and Metallic 9 Exam Questions and Complete Solutions