Energy Flashcards
What is a system?
An object or a group of objects
3 main energy stores
Kinetic
Gravitational
Elastic
What is KInetic energy?
energy stored in a moving object
What is Gravitational energy?
energy stored in an object at a height
What is Elastic energy?
Energy stored in a stretched object
What is conservation of energy?
Energy cannot be created or destroyed, only dissipated or transferred usefully
What diagrams do you use to show how energy has been transferred?
Sankey diagram
What is specific heat capacity?
The amount of energy it takes to heat 1kg of a substance by 1 degree celcius
What is internal energy?
The total Kinetic and Potential energy of all the particles that make up a system
What are the 2 main energy resources?
Renawable
Non-renewable
What are non-renewable resources?
Coal, oil, gas and nuclear
What are renewable resources?
Biofuel, Wind, Water, Geothermal and Solar
