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LS 1 and LS2 Vocab

Matter a physical substance that takes up space
Pollutant a substance that pollutes something
Volume the amount of space that a substance or object occupies
Mass typically large body of matter with no definite shape
Atom the basic unit of a chemical element
Molecule a group of atoms bonded together
Compound a mixture
Pure Substance a substance that is made up of one gas
Physical Change a change from one state (solid or liquid or gas) to another without a change in chemical composition
Chemical Change any process determined by the atomic and molecular composition and structure of the substances involved
Photosynthesis the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
Qualitative Data data that is describe in words
Quantitative Data data that has accurate numbers; statistics
Created by: omarsh