6 words in this vocabulary list
noun a substance enclosed under pressure and able to be released as a fine spray, typically by means of a propellant gas
adjective relating to or consisting of small particles suspended in air or gas
noun a system formed by the interaction of a community of organisms with their physical environment
verb the process of changing from a solid to a liquid state due to heat
noun the quality or state of being variable; the extent to which something is subject to change or variation
adjective relating to the measurement of the intensity of radiation, especially of the sun's rays
adjective relating to or characteristic of the Aftonian glacial stage in North America, which occurred approximately 1 million years ago