10.2 Flashcards
(9 cards)
1
Q
Energy
A
Describes anything “that can do work”.
2
Q
Law Of Conservation Of Energy
A
IEnergy cannot be created or destroyed only transferred.
3
Q
Electrical Energy
A
Thee energy made available by the flow of electric charge through a conductor.
4
Q
Gravitational Potential Energy
A
Energy stored due to the height of an object above a base level.
5
Q
Chemical Energy
A
Potential energy derived from chemical reactions.
6
Q
Elastic Potential Energy
A
The Potential Energy stored in a stretched elastic material.
7
Q
Nuclear Energy
A
The energy stored at thee centre of atoms.
8
Q
Potential Energy
A
When it is released it is converted to other type of energy such as kinetic, sound or heat.
9
Q
Efficiency
A
The fraction of energy supplied to a device as useful energy. It is usually expressed as a percentage.
