Cpnservation Of Energy-Energy Stores And Transfers Flashcards
1
Q
What are the types of energy?
A
Chemical energy Kinetic energy Thermal energy Elastic potential energy Gravitational potential energy Nuclear energy
2
Q
What are good ways of remembering the types of energy?
A
Cool (chemical) Gravy (gravitational potential energy) Kills (kinetic energy) Everyday (elastic potential energy) Nerds (nuclear energy)
3
Q
What are the units for energy?
A
J (joules)
4
Q
What is elastic potential energy stored in?
A
Stretched, squashed and twisted materials
5
Q
What is gravitational potential energy stored in?
A
In objects of high positions
6
Q
What is nuclear energy stored in?
A
Atoms
7
Q
What is kinetic energy stored in?
A
Moving objects
8
Q
What is thermal energy stored in?
A
Hot objects
9
Q
What is chemical energy stored in?
A
Batteries, food
10
Q
How to calculate efficiency?
A
Useful energy transmitted by the device divided by the total amount of energy supplied to the device
