AQA GCSE COMBINED SCIENCE: TRILOGY
8464/P/1H HIGHER TIER PHYSICS PAPER
1H PAPER & MARK SCHEME
COMPREHENSIVE STUDY GUIDE 2026 FULL
QUESTIONS AND SOLUTIONS GRADED A+
◍ current.
Answer: A flow of electric charge.
◍ nucleus.
Answer: the center of an atom
◍ Resistance (Series).
Answer: Total resistance is sum of individual resistors
◍ Potential Difference (AC).
Answer: Maintains power, necessary for transformers in National Grid
◍ order of ionising power from most to least.
Answer: alpha > beta > gamma
◍ Radiation.
Answer: Energy that is radiated or transmitted in the form of rays or waves
or particles.
◍ Equation Sheet.
Answer: Provided in exams, lacks units for quantities.
◍ Dual Meter.
Answer: Equipment to directly measure energy transfer
◍ Streamlining.
, Answer: Reducing drag for energy efficiency
◍ gamma radiation.
Answer: electromagnetic radiation emitted during radioactive decay and
having an extremely short wavelength
◍ Density.
Answer: Usually in kilograms per meter cubed.
◍ Line of Best Fit.
Answer: May curve to fit non-linear data.
◍ why atoms are radioactive.
Answer: they have too many neutrons and become unstable.
◍ Heating pathway.
Answer: Energy transferred as heat
◍ Plum Pudding Model.
Answer: The model of an atom in which there is a positively charged ball
with electrons dotted through it.
◍ Systematic Errors.
Answer: Errors in measurement that are constant within a data set,
sometimes caused by faulty equipment or bias
◍ electrical energy.
Answer: Energy caused by the movement of electrons.
◍ isotopes.
Answer: atoms of the same element that have different numbers of neutrons
◍ internal energy.
Answer: the sum of the kinetic and potential energies of all particles in the
system
◍ Non-renewable energy resources.
Answer: Used faster than generated
◍ Thermal Store.
8464/P/1H HIGHER TIER PHYSICS PAPER
1H PAPER & MARK SCHEME
COMPREHENSIVE STUDY GUIDE 2026 FULL
QUESTIONS AND SOLUTIONS GRADED A+
◍ current.
Answer: A flow of electric charge.
◍ nucleus.
Answer: the center of an atom
◍ Resistance (Series).
Answer: Total resistance is sum of individual resistors
◍ Potential Difference (AC).
Answer: Maintains power, necessary for transformers in National Grid
◍ order of ionising power from most to least.
Answer: alpha > beta > gamma
◍ Radiation.
Answer: Energy that is radiated or transmitted in the form of rays or waves
or particles.
◍ Equation Sheet.
Answer: Provided in exams, lacks units for quantities.
◍ Dual Meter.
Answer: Equipment to directly measure energy transfer
◍ Streamlining.
, Answer: Reducing drag for energy efficiency
◍ gamma radiation.
Answer: electromagnetic radiation emitted during radioactive decay and
having an extremely short wavelength
◍ Density.
Answer: Usually in kilograms per meter cubed.
◍ Line of Best Fit.
Answer: May curve to fit non-linear data.
◍ why atoms are radioactive.
Answer: they have too many neutrons and become unstable.
◍ Heating pathway.
Answer: Energy transferred as heat
◍ Plum Pudding Model.
Answer: The model of an atom in which there is a positively charged ball
with electrons dotted through it.
◍ Systematic Errors.
Answer: Errors in measurement that are constant within a data set,
sometimes caused by faulty equipment or bias
◍ electrical energy.
Answer: Energy caused by the movement of electrons.
◍ isotopes.
Answer: atoms of the same element that have different numbers of neutrons
◍ internal energy.
Answer: the sum of the kinetic and potential energies of all particles in the
system
◍ Non-renewable energy resources.
Answer: Used faster than generated
◍ Thermal Store.
