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AQ LS 1 and 2 Vocab

Science LS 1 and 2 Vocabulary Words

TermDefinition
Matter Anything that has volume and has mass.
Pollutant A substance that can make air, soil, or water harmful to organisms and structures.
Volume A measure of how much space something takes up.
Mass The amount of "stuff" something contains.
Atom The basic building block of matter.
Molecule A combination of two or more atoms.
Compound A pure substance made up of two or more different elements.
Pure Substance A type of matter composed of a single type of particle and always has distinct, predictable properties.
Physical Change A change in the form or appearance of matter, but not in its composition.
Chemical Change A change in the composition, or chemical makeup, of a sample of matter. Also known as a chemical reaction.
Photosynthesis The process through which green plants use the energy of sunlight to make food and oxygen.
Qualitative Data Described in appearance and no factual support.
Quantitative Data Described with facts and measures (detail).
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