Topic/Objective: Classification of Matter—Pure Subtances and Mixtures Name:______

Class/Period:______

Date:______

Essential Question: What characteristics can I look at in order to classify matter as an element, compound, heterogeneous mixture, or homogeneous mixture?

Questions / Notes
Matter can be classified into what two main sections?
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Pure substances:
What is the difference between elements and compounds?
What are 3 examples of elements?
What are 3 examples of compounds?
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______/ ______
A pure substance can be either an ______or a ______
and consists of only ______component with definite physical and
chemical properties and a definite ______.
A mixture consists of ______substances that are NOT chemically
combined and can be separated by ______means. The
substances in a mixture ______their individual properties.
Mixtures can further be classified as ______or
______mixtures.
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______, ______, ______
______, ______, ______
One can see the different parts in heterogeneous mixtures, whereas in
Homogeneous mixtures there are no visible parts and it is uniform in
Composition.
Homogeneous Mixtures : Vinegar, Clear Air, Salt water, brass
Heterogeneous Mixtures: Oil and water, concrete, blood, pizza, sand in water
Questions / Notes
In what ways can mixtures be separated that pure substances cannot?
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______/ ______Techniques can be used to
Separate mixtures.
______- solid part is trapped by filter paper and the liquid part
Runs through the paper.
Vaporization: where the liquid portion is evaporated off to leave ______.
______- when liquid is poured off after the solid has
Settled to the bottom
Centrifuge- machine that spins a sample very quickly so that components with
Different ______will separate
______- used to separate mixtures because different
Parts move quicker on paper than others

Applying the Concepts Learned:

Using the information in the notes, you will be able to determine what type of matter these examples are. Next to the example, write the abbreviation for one of the following: element (E), compound (C), heterogeneous mixture (hetero), or homogeneous mixture (homo)

1.  Air ______

2.  zinc______

3.  blood______

4.  salt (sodium chloride)______

5.  apple______

6.  Caprisun drink______

7.  brass______

8.  baking soda (sodium bicarbonate)______

9.  calcium______

10.  salad______

In your own words, summarize what you have learned