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Ch. 15 -1


Substance is a type of matter with a fixed composition
Element is a substance made up of atoms that are all like
Compounds a substance with more elements it's chemically combined in fixed proportion
Mixtures is matter composed of substances that can be separated by physical means
Heterogeneous Mixture Mixture in different materials remain distinct
Suspensions is a mixture made of a liguid solid particles that settle
Colloid is mixture with particles that never settle
Tyndall Effect is a scattering light beam passing through a colloid
Homogeneous Mixture is a mixture remains constantly and uniformly mixed and has small particles that they cannot be seen
Solution is a same homogeneous mixture
Gold Leaf beaten or flattened gold
Physical Change a change in size shape , or state of matter that remain the same
Distillation the process of separating substances in a mixture by evaporating a liguid and recondensing
Chemical Property material that can be observe that produces one or more new substances
Law of Conservation of Mass states that of no external forces act on a group of object, their total momentum does not change
Weathering when rocks split, cracks, freezes or expands from physical change
Created by: Menew13