Fossil Fuel Crossword Puzzle

Download and print this Fossil Fuel crossword puzzle. Use a pencil or pen to complete the puzzle by filling in the blanks. The completed answers are included, so you can easily check your progress.

Fossil Fuel Crossword Puzzle

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QUESTIONS LIST:

  • fossil : formed from the remains of plants and animals from millions of years ago
  • coal : dark/black sedimentary rock that is combustible
  • plants : coal is formed from this organic matter.
  • anthracite : highest rank and has the highest concentration of coal
  • lignite : lowest rank and lowest carbon concentration coal.
  • petroleum : referred to as crude oil/oil and converted to petrol / diesel
  • russia : philippines imports crude oil and petroleum from this country.
  • natural gas : primarily composed of methane and used for cooking, heating, and generating electricity
  • transportation : petroleum is mainly as _ fuel.
  • electricity : coal is primarily used to produce _ .
  • methane : natural gas is primarily composed of _ .
  • carboniferous : fossil fuel formed millions of years ago, primarily during the _ period
  • temperature : natural gas forms at higher _ than oil.