Energy Flashcards
1
Q
Principle of conservation of energy
A
Energy can never be created or destroyed - only transferred
2
Q
Useful energy
A
When energy can be transferred from one form to another
3
Q
Conduction
A
Vibrating particles pass on their extra kinetic energy to the particles next to them
4
Q
Convection
A
Less dense particles move from the hotter region to the cooler region
5
Q
Prevent heat loss in houses
A
- double glazing
- thick curtains
- loft insulation
- hot water tank jacket
- cavity wall insulation
