Energy Flashcards
0
Q
Name the 9 energy types
A
Thermal Kinetic Nuclear Sound Light Electrical Chemical potential Gravitational potential Elastic potential
1
Q
Define energy
A
The ability to do work and it’s done when energy is transferred from one form to another
2
Q
What is energy measured in
A
Joules
3
Q
Payback time
A
Price of improvement/savings per year
4
Q
The law of conservation
A
Energy can’t be created or destroyed and always ends up as heat energy
5
Q
Cavity wall insulation
A
Convection
Radiation
6
Q
Loft insulation
A
Conduction
Radiation
7
Q
Double glazing
A
Conduction
Radiation
8
Q
Draught proofing
A
Convection
9
Q
Hot water tank jacket
A
Radiation
Conduction
10
Q
Curtains
A
Conduction
Radiation
11
Q
Porch
A
Convection
12
Q
Thermal energy is transferred when
A
There is a difference in temperatures I order to reach thermal equilibrium
