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What is homeostasis? - ANSWERThe maintenance of a constant internal environment. What is a stimulus? - ANSWERA change in your environment than requires a response. e.g Light, sound, touch, pressure, pain, chemical or temperature. What do the receptors do? - ANSWERDetect the stimulus or change in environment. What happens after the receptors? - ANSWERReceptors send messages to the CNS via the sensory neurone. What makes up the central nervous system? - ANSWERThe brain or spinal cord ...

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GCSE Physics Units Correct 100%

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mass - ANSWERkilograms (kg) weight or force - ANSWERNewtons (N) gravitational field strength - ANSWERNewtons per kilogram ( N/kg) work - ANSWERjoules (J) work distance - ANSWERmetres (m) spring constant - ANSWERNewtons per metres (N/m) speed - ANSWERmetres per second (m/s) time - ANSWERseconds (s)

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physics paper 2 marks schemes Correct 100%

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'a non contact form acts on each magnet' - ANSWERmagnets aren't touching but both experience a force describe how to plot the magnetic field pattern of a bar magnet - ANSWERplace a compass near the north pole of the magnet and mark the direction that the compass points move the compass around the bar magnet to the other pole, marking at intervals the direction the compass points join the points up and add an arrow pointing from the north poe to the south pole explain the effect on the...

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AQA GCSE Combined Science - Physics Paper 1 equations Correct 100%

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Resistance of component 1 + resistance of component 2 - ANSWERTotal resistance = ? mass x gravitational field strength - ANSWERWeight = ? spring constant x extension - ANSWERforce applied to a spring = ? force x distance (perpendicular to the direction

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AQA GCSE Physics paper 1 Questions & Answers!!

It is unlikely that all of the electricity that the UK needs can be generated by solar power systems. Explain why - ANSWERA really large area of land would need to be covered with solar cells due to the low useful power output of the solar cells Suggest two advantages of using this method to charge electric cars compared with plugging them into the mains electricity supply. - ANSWERrecharging is a continuous process fewer cells needed in the car more cars can be charged at the same time ...

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AQA- Physics paper 1 conversions and units Correct 100%

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mass unit - ANSWERalways Kg time unit - ANSWERalways seconds (s) length unit - ANSWERalways metres energy unit - ANSWERalways joules unless specified otherwise. Gravitational field strength unit - ANSWERN/kg extension unit - ANSWERm specific heat capacity unit - ANSWERJ/Kg power unit - ANSWERWatts

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2023 Physics a level paper 1 extra stuff Accurate100%!!

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THe current in the circuit is I. The pd across R1 is V2 and the pd acrouse R2 is V2, explain how the law of conservation of energy applies in the circuit , you should consider the movement of one coulomb of charge around the circuit. (2) - ANSWER-(1 C of) the charge gains ε J on passing through cells. - (for 2 mark) ε= IR1+IR2+Ir Prisim question path of ray info? - ANSWERSommit like the ray reflecting back outside of prism is parallel to refracting ray of light paths (I think, maybe). G...

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AQA Physics paper 1 Correct 100%

Diode - ANSWERAllows current to flow in only one direction specific heat capacity - ANSWERthe energy required to raise the temperature of one Kg of a substance by one degree Celsius Thermal insulation - ANSWERMaterial which is used to reduce the amount of energy transferred by heating from an object. electrical resistance - ANSWERThe opposition posed by a material or a device to the flow of current Density - ANSWERthe degree of compactness of a substance. lamp - ANSWERcircle with ...

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AQA Physics Combined Science Paper 1Correct 100%

an object or group of objects - ANSWERsystem _______ energy is the total kinetic energy and potential energy of all particles that make up a system - ANSWERinternal the idea that there is the same amount of energy befire and after it is transferred - ANSWERconservation of energy energy cannot be ------- -- --------- - ANSWERcreated or destroyed = 0.5 x mass x (speed)^2 - ANSWERkinetic energy type of energy stored in a stretched spring - ANSWERelastic potential energy = mass x g...

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Combined Science - Physics Paper 1 Correct 100%

What is the potential voltage of uk mains electricity supply? - ANSWER230V What colour is the earth wire in a three-core cable - ANSWERYellow and green stripes What is the frequency of the UK mains electricity supply? - ANSWER50Hz What is the role of a step-up transformer? - ANSWERTo reduce the energy lost due to heating What is an isotope? - ANSWERAtom with same number protons but different number of neutrons Is radioactive decay random? - ANSWERYes What is a half-life? - ANSW...

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