Oxygen Word Search

Illustrated Oxygen scene — AI-generated artwork behind this topic's word search puzzle
Illustrated Oxygen scene — AI-generated artwork behind this topic's word search puzzle

A free Oxygen word search you can play straight in the browser. The 12-word list draws on the terms and ideas of a school subject, hidden across a 15×15 grid in every direction. Drag through the letters to mark a word off.

Words to find: OXYGEN, OXIDANT, OXIDIZE, OXIDATION, REDUCTION, COMBUSTION, FLAME, IGNITE, BURN, RUST, OZONE, PEROXIDE.

There is no timer pressure: take as long as you like, and spend a hint if a word will not surface.

Oxygen word list, defined

OXYGEN /ˈɒksɪdʒən/ · noun
A colourless, odourless, tasteless gas that is essential for respiration and is a major component of the Earth's atmosphere. Related: air, gas, ozone, nitrogen.
OXIDANT /ˈɒksɪdənt/ · noun
A substance that causes another substance to oxidize, typically by gaining oxygen or losing hydrogen. Oxidants are often used in chemical reactions and are commonly found in various industrial and environmental processes. Related: oxidizer, oxidising agent, oxidizing agent.
OXIDIZE /ˈɒksɪdaɪz/ · verb
To cause something to combine with oxygen, especially to cause it to become corroded or discolored. To add oxygen to something, especially to make it burn more easily. Related: corrode, rust, decompose, decay.
OXIDATION /ˌɒksɪˈdeɪʃən/ · noun
The process of losing electrons, resulting in the gain of oxygen or the loss of hydrogen, often accompanied by a change in color or the release of heat. Related: corrosion, rusting, decomposition, combustion.
REDUCTION /riːdʌkʃən/ · noun, verb
The act of making something smaller or less in amount, degree, or extent. A decrease in size, amount, or degree. Related: diminution, lessening, reduction, diminishment.
COMBUSTION /kəmˈbʌstʃən/ · noun
The process of burning, in which a substance combines rapidly with oxygen and releases heat and light. More broadly, any violent chemical change or turmoil, though this figurative sense is rare today. Related: burning, ignition, oxidation, fire.
FLAME /fleɪm/ · noun (also verb)
A flame is the visible, gaseous part of a fire, produced when a fuel burns and emitting light and heat; as a verb, it means to burn with or burst into flames. Related: blaze, fire, burn, ember.
IGNITE /ɪɡˈnaɪt/ · verb
To set on fire; to kindle or inflame. To inspire or stimulate strongly. Related: kindle, inflame, spark, set ablaze.
BURN /bɜːrn/ · verb
To undergo or cause destruction, damage, or injury by exposure to fire, heat, or an acid. As a noun, a burn is an injury to the skin or flesh caused by heat, fire, chemicals, electricity, or friction. Related: scorch, char, singe, sear.
RUST /rʌst/ · noun, verb
A reddish-brown substance formed by the oxidation of iron or steel, or a flaky reddish-brown deposit on metal. To become or cause to become covered in this substance. Related: corrosion, oxidation, flaking, scaling.
OZONE /ˈoʊzɪn/ · noun
A stable form of oxygen with three atoms per molecule, found in the stratosphere and formed by the interaction of ultraviolet radiation with oxygen molecules. It is also used as a disinfectant and in the manufacture of various chemicals. Related: oxygen, oxidizer, disinfectant, purifier.
PEROXIDE /ˈpɛrɒksaɪd/ · noun
A chemical compound consisting of oxygen and hydrogen, often used as a bleach or disinfectant. A strong oxidizing agent. Related: bleach, oxidizer, hydrogen peroxide, oxygen.

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