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AQ 1-2 vocab


matter is anything that takes up space 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 of 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 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 types of data that have statistics
Quantitative data Data that is not as accurate
Created by: kiran.chahal