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AQA Physics Paper 1 Q&A 2023 $12.99   Add to cart

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AQA Physics Paper 1 Q&A 2023

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AQA Physics Paper 1 Q&A 2023

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  • November 22, 2023
  • 6
  • 2023/2024
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AQA Physics Paper 1 Q&A 2023
sound energy - ✔️ Energy caused by an object's vibrations

thermal energy - ✔️ The total energy of motion in the particles of a
substance

chemical energy - ✔️ A form of potential energy that is stored in chemical
bonds between atoms.

nuclear energy - ✔️ the potential energy stored in the nucleus of an atom

electrical energy - ✔️ Energy caused by the movement of electrons.

light energy - ✔️ Energy in the form of moving waves of light

kinetic energy - ✔️ energy of motion

gravitional potential energy - ✔️ potential energy that depends on the
height of an object

elastic potential energy - ✔️ the energy of stretched or compressed objects

conservation of energy - ✔️ law that says energy cannot be created or
destroyed, but can change forms

uses of friction - ✔️ - rubbing hands for warmth
- break pads on bikes

Efficiency = - ✔️ Useful Energy Output / Total Energy Input

Increase efficiency - ✔️ - add lubricant
- reduce friction

internal energy - ✔️ the sum of the kinetic and potential energies of all
particles in the system

, Conduction - ✔️ The direct transfer of heat from one substance to another
substance that it is touching.

Convection - ✔️ The transfer of thermal energy by the circulation or
movement of a liquid or gas

convection current - ✔️ a current caused by the rising of heated fluid and
sinking of cooled fluid

Insulator - ✔️ A material that does not allow heat or electrons to move
through it easily.

Infra red radiation - ✔️ Electromagnetic waves of heat energy.

Radiation - ✔️ Energy that is radiated or transmitted in the form of rays or
waves or particles.

greenhouse effect - ✔️ CO2 and other greenhouse gases in the atmosphere
absorb long wavelength radiation radiated from the Earth's surface and
prevent it escaping.

black - ✔️ good absorber of radiation

white - ✔️ poor absorber of radiation

specific heat capacity - ✔️ the energy required to raise the temperature of
one gram of a substance by one degree Celsius

Reduce heat loss from homes - ✔️ - loft insulation (fibre glass is a good
insulator)
- cavity wall insulation (foam prevents convection currents)
- aluminum foil behind radiator (reflects radiation)
- double glazing (vacuum slows conduction and radiation)

energy transfer - ✔️ power x time

non-renewable energy - ✔️ A natural resource such as coal, gas, or oil that,
once consumed, cannot be replaced.

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