Show:
Coal Formation
Coal in the U.S.A
Interesting Facts
History of Coal
100
The final stage in coal fromation?
What is coal?
100
The part of the U.S coal is most commonly used.
What is the East?
100
People are using coal less because of...
What is it is an unrenewable resource and are supply is running low?
100
Trains where powered from ______ to ______ by burning coal.
What is 1830 till today?
200
The first stage in coal formation.
What is peat?
200
The state coal is the most plentyful.
What is Montana?
200
what type of fule is coal?
What is fossil fule
300
The second stage in coal formation.
What is lignite?
300
The element that is used to run steam trains.
What is coal?
300
The country coal is exported from most.
What is Australia?
400
The process in which coal is formed.
What is coalification?
400
Coal provides ____ percent of Americas energy.
What is 20% or 1/5?
400
The total weight of coal that the world used in 2006.
What is 6,743,786,000 short tons?
500
The three factors needed to complete the formatin of coal.
What is time, heat, and pressure?
500
The Native American tribe that used coal to bake their pottery made from clay.
What is the Hopi Indians?
500
The year coal was first used as a fuel source.
What is 371 B.C.?