AQA Physics Paper 1 Correct 100%
conservation of energy - ANSWERlaw that says energy cannot be created or destroyed, but can change forms uses of friction - ANSWER- rubbing hands for warmth - break pads on bikes Increase efficiency - ANSWER- add lubricant - reduce friction internal energy - ANSWERthe sum of the kinetic and potential energies of all particles in the system Conduction - ANSWERThe direct transfer of heat from one substance to another substance that it is touching. Convection - ANSWERThe transfer of thermal energy by the circulation or movement of a liquid or gas convection current - ANSWERa current caused by the rising of heated fluid and sinking of cooled fluid Insulator - ANSWERA material that does not allow heat or electrons to move through it easily. Infra red radiation - ANSWERElectromagnetic waves of heat energy. Radiation - ANSWEREnergy that is radiated or transmitted in the form of rays or waves or particles. greenhouse effect - ANSWERCO2 and other greenhouse gases in the atmosphere absorb long wavelength radiation radiated from the Earth's surface and prevent it escaping. black - ANSWERgood absorber of radiation white - ANSWERpoor absorber of radiation specific heat capacity - ANSWERthe energy required to raise the temperature of one gram of a substance by one degree Celsius
Document information
- Uploaded on
- June 11, 2024
- Number of pages
- 4
- Written in
- 2023/2024
- Type
- Exam (elaborations)
- Contains
- Questions & answers
