Fossil Fuel & Elements Crossword Puzzle

Fossil Fuel & Elements crossword puzzle printable. Download, print and start playing. You can add your own words to customize or start creating from scratch.

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Words List(answer : question or clue)

Oxidation: the process of a substance or chemical element oxidizing.
Oxide: a chemical combination of oxygen and one other element.
Ash: the soft grey or black powder that is left after coal has burned.
Carbon: a chemical element, an important part of substances such as coal and oil.
Oxygen: a chemical element that is a gas with no smell or colour. It forms a large part of the air, and is needed by animals and plants to live.
Anthracite: the highest rank of coal with the amount of carbon up to 97%.
Nitrogen: a chemical element that is a gas with no colour or taste, forms most of the earth's atmosphere, and is a part of all living things and fossil fuels.
Peat: a dark brown substance like soil, formed from plant debris. It is sometimes used as fuel.
Hydrogen: a chemical element that is the lightest gas, combines with oxygen to form water.
Sulfur: a pale yellow chemical element that is a part of fossil fuels. It burns with a blue flame and a strong smell.
Combustion: the chemical process in which substances mix with oxygen in the air to produce heat and light.
Coal: a black sedimentary rock, that consists mostly of carbon and can be burned to produce heat or power.
Lignite: the lowest rank of coal with the amount of carbon up to 35%.
Petroleum: a dark, thick oil obtained from under the ground; a kind of nonrenewable fossil fuel.
Dioxide: a chemical substance consisting of two atoms of oxygen combined with one atom of another element.

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QUESTIONS LIST: oxidation: the process of a substance or chemical element oxidizing, oxide: a chemical combination of oxygen and one other element, ash: the soft grey or black powder that is left after coal has burned, carbon: a chemical element, an important part of substances such as coal and oil, oxygen: a chemical element that is a gas with no smell or colour. it forms a large part of the air, and is needed by animals and plants to live, anthracite: the highest rank of coal with the amount of carbon up to 97%, nitrogen: a chemical element that is a gas with no colour or taste, forms most of the earth's atmosphere, and is a part of all living things and fossil fuels, peat: a dark brown substance like soil, formed from plant debris. it is sometimes used as fuel, hydrogen: a chemical element that is the lightest gas, combines with oxygen to form water, sulfur: a pale yellow chemical element that is a part of fossil fuels. it burns with a blue flame and a strong smell, combustion: the chemical process in which substances mix with oxygen in the air to produce heat and light, coal: a black sedimentary rock, that consists mostly of carbon and can be burned to produce heat or power, lignite: the lowest rank of coal with the amount of carbon up to 35%, petroleum: a dark, thick oil obtained from under the ground; a kind of nonrenewable fossil fuel, dioxide: a chemical substance consisting of two atoms of oxygen combined with one atom of another element.