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AQA GCSE COMBINED SCIENCE_ TRILOGY 8464_P_2H PHYSICS PAPER 2H PAPER & MARK SCHEME PRACTICE EXAMINATI.pdf

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AQA GCSE COMBINED SCIENCE_ TRILOGY 8464_P_2H PHYSICS PAPER 2H PAPER & MARK SCHEME PRACTICE EXAMINATI.pdf

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AQA GCSE COMBINED SCIENCE: TRILOGY
8464/P/2H PHYSICS PAPER 2H PAPER
& MARK SCHEME PRACTICE
EXAMINATION 2026 QUESTIONS WITH
ANSWERS GRADED A+

◍ beta particle symbol.
Answer: B
◍ give an example on how you would do work on a gas.
Answer: mechanically, bike pump. the gas applies pressure to the plunger of
the pump, and so exerts force on it. work has to be done against this force to
push down the plunger. this transfers energy to the kinetic energy stores of
the gas particles, increasing the temperature
◍ Measure reaction time :.
Answer: - Ruler drop test - Computer based experiments
◍ Energy is transferred between stores.
Answer: Thermal, kinetic, gravitational potential, elastic potential, chemical,
magnetic, electrostatic, nuclear
◍ Length of a gamma ray.
Answer: 10⁻¹⁵m
◍ What is the green and yellow wire.
Answer: Earth wire
◍ equation for period.
Answer: period = 1/frequency (H/z)

,◍ what does the density of an object depend on?.
Answer: what it is made of and how its particles are arranged
◍ compounds are formed by a combination of two or more different kinds of
atoms.
Answer: John Dalton, 1803
◍ What is weight directly proportional to?.
Answer: mass
◍ Infrared radiation: Leslie cube practical.
Answer: Leslie cube is a hollow, watertight metal cube with four different
surfaces ; matt black, white, shiny black, shiny metallic- First, fill the
Leslie's cube with hot water- Then point an infrared detector at each of the
four surfaces and record the amount of infrared emitted- Keep the same
distance between Leslie's cube and the infrared detector so measurements
are repeatable- Results = matt black emits the most infrared radiation,
followed by shiny black, then white, then shiny metallic = emits least IR
radiation
◍ method for finding the density of irregular objects.
Answer: measure the mass of the object with a mass balance and convert g
into kg, fill the Eureka beaker with water up to just below the hole where the
water will flow out of once an object is placed inside, place the object inside
the Eureka beaker and wait until the water has stopped dripping into the
measuring cylinder - this is the volume, calculate the density
◍ How to reduce unwanted energy transfers.
Answer: Lubrication and thermal insulation
◍ nuclear fission.
Answer: the splitting of a large and unstable nucleus
◍ all atoms of a given element are identical in mass and property.
Answer: John Dalton, 1803
◍ examples of non contact forces.

, Answer: magnetic force and gravitational force
◍ Build up of static is caused by.
Answer: Friction, negative electrons are scraped off
◍ what type of change is a change in state?.
Answer: a physical change, which means that you don't end up with a new
substance but it is in a different form
◍ what do faster particles and more frequent collisions lead to?.
Answer: an increase in net force, and so gas pressure. increasing the
temperature will increase the speed, and so the pressure, if volume is kept
constant
◍ In the last few metres of his descent during the parachute stage, the person
travels at a terminal velocity. Explain why (2).
Answer: - Because the drag had the same force on the parachuter as the
weight - weight pushes him down- Drag/air resisance keeps him. Hes
reached terminal velocity (2)
◍ Examples of scalar quantities.
Answer: speed, distance, time
◍ Renewable energy resources will never run out.
Answer: These are: the sun, wind, water waves, hydro-electricity, bio-fuel,
tides, geothermal. Most of them do damage to the environment, but in less
nasty ways than non renewables. However, they don't provide much energy
and some are unreliable as they depend on the weather
◍ State two uses of X-rays.
Answer: X-ray photographs (1) Treating cancers (radiotherapy) (1)
◍ Charge flow =.
Answer: current x timeQ = It
◍ what effects occurs when heating an object?.
Answer: the heat energy is transferred to the object's particles where they
gain energy in their kinetic stores and move faster, increasing the internal

, energy
◍ examples of longitudinal waves.
Answer: sound waves e.g ultrasound
◍ creator of model of atom.
Answer: Ernest Rutherford
◍ What happens to potential difference in parallel circuits.
Answer: It is the same
◍ how much of our background radiation is cosmic.
Answer: 10%
◍ Geothermal power.
Answer: This is energy in underground thermal energy stores. It is possible
in volcanic areas or where hot rocks lie close to the surface. The source of a
lot of this energy is the slow decay of various radioactive elements deep
inside the earth
◍ gamma ray.
Answer: electromagnetic radiation from the nucleus
◍ strobe is effective because.
Answer: it allows you to measure a still pattern instead of a constantly
moving one
◍ Falling objects transfer energy.
Answer: Falling objects transfer energy from its GPE store to its kinetic
energy store. When there's no air resistance, energy lost from the GPE store
= energy gained in the kinetic energy store
◍ Electromagnets are extremely useful as ?.
Answer: you can change the strength of the magnetic field by changing the
size of current and you can turn the electromagnet on or off
◍ thermal conductivity.
Answer: the Mrs sure of the rate at which thermal energy can travel through
a material

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