P1: Energy (triple) Flashcards
1
Q
What are the 8 energy stores?
A
Thermal Kinetic Gravitational Elastic Chemical Magnetic Electrostatic Nuclear
2
Q
What is power?
A
The rate of doing work.
3
Q
What is convection?
A
When less dense, warmer gasses or liquids rise above denser, cooler regions to move heat away from hotter to colder regions.
4
Q
How can you reduce unwanted energy transfers?
A
Lubrication
Insulation
5
Q
What is specific heat capacity?
A
The amount of energy required to to raise the temperature of 1kg of a substance by 1*C.
6
Q
Define conduction.
A
the process there vibrating particles transfer energy to neighbouring particles.
7
Q
Define convection.
A
the process of energetic particles moving away from hotter regions to cooler regions.
