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AQ 1-2 Vocab

Matter Anything that has volume (takes up space) and has mass
Pollutant A substance that can make air,soil or water harmful to organisms and structures
Mass The amount of "stuff" something contains
Volume A measurement of how much space something takesup
Atom The basic building block of matter
Molecule A combination of 2 or more atoms
Compound A pure substance made up of two or more 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 of appearance of matter, but not in its composition
Chemical Change A change in the composition , or chemical makeup, of a sample of matter. A chemical change is 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 Data that is expressed in description
Quantitative Data Data that is expressed with numbers
Created by: jasmina.ristic