Energy and Resources Flashcards
What is a Fossil Fuel?
A nonrenewable energy resource formed from the remains of old organisms.
What are some examples of Fossil Fuel?
Oil, Coal, and Natural Gas.
What are Fossil Fuels made of?
Coal and Oil are made of Carbon and Hydrogen and Natural Gases are made of methane.
What are Nonrenewable Resources?
A substance that is used faster than it is formed, or that takes very long to form.
How much of the world’s energy is from Fossil Fuels?
About 84%
What are Renewable Sources?
A natural resource that can be replaced at the same speed or faster than the speed at which it’s consumed.
What are some Renewable Resources?
Solar Energy and Windmills are common examples.
What is Geothermal Energy?
Energy that’s produced in the Earth.
What is Hydroelectricity?
The moving of water over spin wheels to produce energy.
When is Energy in a system wasted?
When the input is greater than the output.