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Classification of Matter
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Matter
Has mass Takes up space Everything is made up of it
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Substance
Same chemical composition; pure. They stay the same all the way through; they are made up of elements and compounds
Elements- pure substances that are made up of one type of atom; atoms are the smallest part in an elements
Compounds- are 2 or more elements that are chemically bound; molecules are the smallest piece of a compound
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Mixture
When two or more things are physically put together
They can be . . homogeneous (solution)- they are the same through
out, when something dissolves into something
ex: Kool Aid, lemonade
Heterogeneous- they have compositions that vary
ex: cereal and milk
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Heterogeneous
Are made up of suspensions and colloids Suspension- are particles that are big enough
to be seen and they settle out
Colloid- are in a gel, foam, or cream form. The particles do not settle but they are larger than the solution
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Questions (:
1) What are the two types of matter?
a) Substances & Mixtures
b) Compounds & Solutions
c) Molecules & Colloids
2) Which are examples of colloids
a) water, air
b) gold, sliver
c) gel, foams and creams
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Questions
3)What are substances made of?
a) suspensions & colloids
b) mixtures & compounds
c) elements & compounds
4) What is the smallest part of a compound?
a) Atom
b) Solution
c) Molecule
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Questions
5)What has mass?
a) Only solids
b) Everything
c) Only elements
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The End!