General Science:
* Catalyst: A substance that speeds up a chemical reaction without being consumed itself.
* Cell: The basic unit of life.
* Chromosome: A thread-like structure in the nucleus of a cell that carries genetic information.
* Climate: The long-term weather patterns in a region.
* Concentration: The amount of a substance in a given volume.
* Conservation: Protecting and managing natural resources.
* Control: In an experiment, a standard of comparison that helps isolate the effects of the variable being tested.
* Cosmic: Relating to the universe.
* Cryogenics: The study of very low temperatures.
Biology:
* Carbon: A chemical element essential for life.
* Carbohydrate: A type of organic compound made up of carbon, hydrogen, and oxygen.
* Cellular: Relating to cells.
* Chlorophyll: The green pigment in plants that absorbs sunlight for photosynthesis.
* Chromosome: See above.
* Circulation: The movement of blood throughout the body.
* Catalyst: See above.
Chemistry:
* Catalyst: See above.
* Chemical: Relating to the composition, structure, properties, and reactions of matter.
* Compound: A substance made up of two or more elements chemically combined.
* Concentration: See above.
* Condensation: The process of a gas changing into a liquid.
* Combustion: A chemical process that involves rapid reaction with oxygen, producing heat and light.
* Catalyst: See above.
Physics:
* Charge: A fundamental property of matter, either positive or negative.
* Conduction: The transfer of heat or electricity through a material.
* Convection: The transfer of heat through the movement of fluids.
* Conservation: A principle stating that certain quantities, such as energy or momentum, remain constant in a closed system.
* Current: The flow of electric charge.
* Constant: A value that remains unchanged.
* Cosmic: See above.
Astronomy:
* Comet: A celestial body composed of ice and dust that orbits the sun.
* Constellation: A group of stars that appear to form a pattern.
* Cosmic: See above.
* Crater: A bowl-shaped depression on a celestial body, often formed by impact.
This list is by no means exhaustive. Science is a vast field with countless words starting with "c"!
Let me know if you'd like me to focus on a specific branch of science, or if you have a particular scientific concept you'd like words for.
