Explore the fundamental principles and latest discoveries across physics, chemistry, biology, and astronomy. This topic covers scientific methods and breakthroughs.
Science offers a universe of precision and wonder for crossword puzzles, challenging solvers with terms from biology, chemistry, physics, and astronomy. From atomic structures and genetic codes to distant galaxies and theoretical concepts, this category provides a rigorous yet rewarding experience. Clues can range from common scientific phenomena to complex terminology, often requiring logical deduction and specialized knowledge, making them perfect for those who enjoy a cerebral challenge and a journey of discovery.
Crossword clues used in science puzzles, with answers and links to play.
“The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water”
PHOTOSYNTHESIS (14)
“The molecule that carries genetic instructions in all living things”
DNA (3)
“A unit of heredity that is transferred from a parent to offspring”
GENE (4)
“A result obtained by dividing one quantity by another”
QUOTIENT (8)
“A substance that can accept hydrogen ions or more generally, donate electron pairs”
BASE (4)
“A solid piece of debris from an object, such as a comet, asteroid, or meteoroid, that originates in outer space and survives its passage through the atmosphere to reach the surface of a planet or moon”
METEORITE (9)
“A pure substance consisting only of atoms that all have the same number of protons”
ELEMENT (7)
“A triatomic molecule consisting of three oxygen atoms”
OZONE (5)
“Molten rock that breaks through the Earth's surface”
LAVA (4)
“A band of colors, as seen in a rainbow, produced by separation of the components of light”
SPECTRUM (8)
“The fundamental structural and functional unit of all living organisms”
CELL (4)
“A chemical substance that neutralizes alkalis and turns litmus paper red”
ACID (4)
“A submicroscopic infectious agent that replicates only inside the living cells of an organism”
VIRUS (5)
“A combustible black rock consisting mainly of carbonized plant matter”
COAL (4)
“A system for detecting the presence, direction, or speed of aircraft and other objects using radio waves”
RADAR (5)
“An optical instrument designed to make distant objects appear nearer, containing an arrangement of lenses, or of curved mirrors and lenses”
TELESCOPE (9)
“A threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes”
CHROMOSOME (10)
“A nucleic acid present in all living cells that acts as a messenger carrying instructions from DNA”
RNA (3)
“A device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation”
LASER (5)
“An astronomical event that occurs when an astronomical object or spacecraft is temporarily obscured”
ECLIPSE (7)
“A natural phenomenon by which all things with mass or energy are brought toward one another”
GRAVITY (7)
“The liquid in which a solute is dissolved to form a solution”
SOLVENT (7)
“An alteration in the nucleic acid sequence of the genome of an organism”
MUTATION (8)
“The natural phenomenon by which all things with mass or energy are brought toward one another”
GRAVITY (7)
“A part of the body that has a specific vital function, such as the heart or liver”
ORGAN (5)
“The quantitative property that must be transferred to a body or physical system to perform work”
ENERGY (6)
“A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change”
CATALYST (8)
“The resistance that one surface or object encounters when moving over another”
FRICTION (8)
“Hot molten or semifluid rock erupted from a volcano or fissure”
LAVA (4)
“A unit of heredity which is transferred from a parent to offspring”
GENE (4)
Showing the first 30 of 279 clues. Visit each puzzle to see all its clues.
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