http://www.ck12.org Chapter 26. Glossary
concentration
Number of particles of a substance in a given volume.
condensation
Process in which a gas changes to a liquid.
conduction
Transfer of thermal energy between particles of matter that are touching.
conservation
Saving resources by using them more efficiently or not using them at all.
control
Variable in an experiment that is held constant so it will not influence the outcome.
convection
Transfer of thermal energy by particles moving through a fluid.
convection current
Flow of particles in a fluid that occurs because of differences in temperature and density.
convex
Curving outward like the outside of a bowl.
covalent bond
Force of attraction that holds together two atoms that share a pair of electrons.
covalent compound
Compound forms when atoms of nonmetals form molecules that are held together by covalent bonds.
crystal
Rigid, lattice-like framework of many atoms bonded together that is formed by some compounds such as table
salt (NaCl).