SECTION
CHANGES OF STATE ARE PHYSICAL CHANGES.
2.2 Reading Study Guide B
BIG IDEA Matter
has properties that can be changed by physical and
chemical processes.
KEY CONCEPT
Changes of state are physical changes.
Review
Physical changes do not change a substance into a new substance.
I.
Matter can change from one state to another. (p. 50)
II. Solids can become liquids, and liquids can become solids. (p. 51)
1.
Give two examples of liquids that can change to solids.
A. Melting (p. 51)
2.
Fill in the magnet word diagrams for melting and melting point.
MELTING
POINT
MELTING
3.
What types of substances have well-defined melting points?
B. Freezing (p. 52)
4.
Fill in the word triangle diagrams for freezing and freezing point.
freezing:
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CHAPTER 2
Properties of Matter
Take Notes
freezing point:
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III. Liquids can become gases, and gases can become liquids. (p. 53)
5.
What are two ways that a liquid can become a gas?
A. Evaporation and Boiling (pp. 53–54)
Fill in the magnet word diagrams with words and phrases that relate to
sublimation and boiling point.
BOILING
POINT
SUBLIMATION
7.
CHAPTER 2
Properties of Matter
6.
Complete the chart to compare and contrast boiling and evaporation.
Boiling
Evaporation
Copyright © by McDougal Littell, a division of Houghton Mifflin Company
Similarities
Differences
B. Condensation (p. 55)
8.
Below each picture, write evaporation, condensation, boiling, freezing,
or melting.
A.
B.
C.
D.
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