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LS 2 Vocabulary

Vocab for LS2

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. A chemical change is also known as a chemical reaction.
Photosynthesis The process through which green plants use energy of sunlight to make food and oxygen.
Created by: tayler.kozelek