Science Word Search — Quick

Play a free online Science word search puzzle. Difficulty: Quick. Find all 12 hidden words on the 9×9 grid below.

Words to find

Plus 4 hidden bonus words.

Science word list, defined

CHEMICAL /ˈkɛmɪkəl/ · adjective, noun
As an adjective, relating to chemistry or the composition and reactions of substances. As a noun, a distinct compound or substance prepared by or used in a chemical process. Related: compound, substance, reagent, synthetic.
REACTION /riːˈækʃən/ · noun, verb
A natural response to a situation or stimulus, or a chemical change that occurs when a substance reacts with another substance. A feeling or emotion that is caused by something. Related: response, response, outcome, result.
CHRONIC /ˈkrɒnɪk/ (UK), /ˈkrɑːnɪk/ (US) · adjective
(of an illness or problem) persisting for a long time or constantly recurring; lasting three months or more in medical usage. Informally, it describes something of very poor quality or extremely severe. Related: persistent, long-standing, lingering, incurable.
ANTIGEN /ˈæntɪdʒən/ · noun
A substance, typically a protein or polysaccharide, that the immune system recognizes as foreign and that triggers the production of antibodies or an immune response. Related: immunogen, allergen, pathogen, hapten.
ATOMIC /əˈtɒmɪk/ · adjective
Relating to atoms, or to the energy or structure of atoms. More broadly, describing something that is divided into very small, discrete units. Related: nuclear, minute, tiny.
CALCIUM /ˈkælsiəm/ · noun
A chemical element with symbol Ca and atomic number 20; a soft, silvery-white alkaline earth metal that is essential to living organisms, where it occurs chiefly as a constituent of bones, teeth, and shells.
DECAY /dɪˈkeɪ/ · verb and noun
To decay is to rot or decompose through natural processes, or to decline gradually in quality, condition, or strength. As a noun, decay refers to the state or process of rotting, decomposition, or gradual deterioration. Related: rot, decompose, deteriorate, wither.
CRATER /ˈkreɪtər/ · noun
A large, bowl-shaped cavity in the ground or on the surface of a planet or moon, typically one caused by an explosion or the impact of a meteorite. More broadly, any deep depression resembling such a cavity. Related: depression, hollow, basin, cavity.

More Science puzzles · Daily challenge · Browse themes · How to play · Home