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AQA Physics paper 1 Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed
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Energy is transferred between stores -:- Thermal, kinetic, gravitational potential, elastic potential, chemical, magnetic, electrostatic, nuclear Energy is transferred... -:- Mechanically (by a force doing work), electrically (work done by moving charges), by heating or by radiation (like ...

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  • September 3, 2024
  • 43
  • 2024/2025
  • Exam (elaborations)
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  • aqa physics paper 1 questions 100 correct answ
  • energy is transferred between stores thermal

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AQA Physics paper 1 Questions & 100%
Correct Answers- Latest Test | Graded A+ |
Passed
Energy is transferred between stores


✓ -:- Thermal, kinetic, gravitational potential, elastic potential, chemical, magnetic,

electrostatic, nuclear




Energy is transferred...


✓ -:- Mechanically (by a force doing work), electrically (work done by moving charges),

by heating or by radiation (like light or sound)




When a system changes, energy is transferred


✓ -:- It can be transferred into or away from the system, between objects in the

system or between different types of energy stores. Closed systems are where

neither matter nor energy can enter or leave. The net change in the total energy of a

closed system is always 0




kinetic energy


✓ -:- energy of motion - the greater an object's mass and the faster it is going, the

more energy there will be in its kinetic energy store. Ek (j) = 1/2m(kg)v(m/s) squared



1|Page | Grade A+| 2024/2025

,2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!

Raised objects store energy in gravitational potential energy stores


✓ -:- lifting an object in a gravitational field requires work, causing an energy transfer

to the the GPE store of the object. Ep(j) = m(kg)g(n/kg)h(m)




Falling objects transfer energy


✓ -:- 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




Stretching transfers energy to elastic potential energy stores


✓ -:- As long as the limit of proportionality has not been exceeded, Ee (j) = 1/2 k (N/m)

e (m) squared




specific heat capacity


✓ -:- the energy required to raise the temperature of one gram of a substance by one

degree Celsius. 🔼E (j) = m(kg) c(j/kgdegree) 🔼theta (degrees Celsius)




Conservation of energy principle


✓ -:- Energy can be transferred but can never be created of destroyed




2|Page | Grade A+| 2024/2025

,2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!

Dissipated energy


✓ -:- energy used up in a system, typically lost due to work done by friction, 'wasted

energy'




Phone energy


✓ -:- When you use the phone, energy is usefully transferred from the chemical energy

store of the battery in the phone, but some of this energy is dissipated to thermal

energy




Closed system energy transfer


✓ -:- A cold spoon is dropped into hot soup in an insulated flask, which is then sealed.

Energy is transferred from the thermal energy store of the soup to the useless

thermal energy of the spoon




Power


✓ -:- The rate at which work is done (watts). P(w) = E(j) / t(s)




Powerful machine


✓ -:- One which transfers a lot of energy in a short space of time




3|Page | Grade A+| 2024/2025

, 2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!

Conduction occurs mainly in solids


✓ -:- Conduction is the process where vibrating particles transfer energy to

neighbouring particles.




Long definition of conduction


✓ -:- Energy transferred to an object by heating is transferred to the thermal store,

which is shared across the kinetic store of the particles. The particles' collisions

cause energy to be transferred between particles kinetic energy stores.




thermal conductivity


✓ -:- the Mrs sure of the rate at which thermal energy can travel through a material




Convection occurs only in liquids and gases


✓ -:- Convection is where energetic particles move away from hotter to cooler regions




Convection longer definition




4|Page | Grade A+| 2024/2025

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