Sources Of Energy Flashcards
Fuel
Is a substance that is burned to release its store of energy
Fossil fuel
A fuel obtained from a materials that have been buried underground for millions of years.
Biofuel
Fuel that comes from living materials
Biofuel
Fuel that comes from living materials
Biogas
A gas fuel made by digesting plant and animal material.
Renewable energy
Is an energy source that can be replaced after it has been used
Nonrenewable energy
Is an energy source that cannot be replaced after it is used up
EG coal crude oil and natural gas
Green house effect
The raising of the Earth’s temperature because of gases in d atmosphere that trap heat
Global warming
The slight increase in the Earth’s average temperature caused by an increase in the greenhouse effect
Climate change
Changes in the earth’s climate resulting from global warming
Alternative energy sources
Renewable energy sources that can replace fossil fuels
Hydroelectricity
Electricity when water is released from behind a damn
Turbine
A device that is made to spin around when water, steam or air pushes past it’s blades
Generator
A device that produces electricity when it is forced to spin
Gravitational potential energy
The energy stored by an object that has been lifted upwards
Electrical energy
Energy carried by an electric current
Kinetic energy
The energy of something that is moving
Geothermal power station
If power station that generates electricity from the energy of hot rocks underground
Visible light
Like that we can see
Infrared radiation
Space radiation that can travel through empty space
Ultraviolet radiation
Invisible energetic radiation that can travel through empty space
Photovoltaic cell or photocell
A device that converts sunlight into electrical energy
Stored energy
Energy stored in an object or substance
Chemical energy
Energy store that can be released buy a chemical reaction such as burning
Alternative sources of energy
Solar energy, wind energy and energy from moving water
