Coal
Definition
A black or brownish-black sedimentary rock that's primarily composed of carbon, along with various other elements such as hydrogen and sulfur. It is used as a fossil fuel due to its energy-rich nature.
Analogy
Think of coal like the batteries in your game controller. Just as the batteries power your gaming sessions, coal powers industries by providing the necessary energy.
Related terms
Anthracite: This is the highest rank of coal, known for its high carbon content, few impurities, and high energy density.
Bituminous Coal: This is a type of coal that's intermediate in rank between lignite and anthracite. It has been widely used to produce heat and electricity.
Fossil Fuels: These are natural fuels such as coal or gas, formed in the geological past from the remains of living organisms.
"Coal" appears in:
Practice Questions (2)
- Which of the following was a significant consequence of the increased availability of coal during the Industrial Revolution?
- In what year was coal first used to power locomotives contributing to the spread of industry?
Resources
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