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Air Quality

Matter physical substance
Pollutant Pouring harmful chemicals or waste into the air
volume the amount of space that a substance or object occupies
mass a 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 thing that is composed of two or more separate elements
pure substance a singe type of material
physical change does not change a substance
chemical change Does change a substance
photosynthesis When a green produces food and makes oxygen
qualitative data deals with descriptions
quantitative data deals with numbers
Created by: Caitlyncupcakes