CHAPTER
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Properties of Matter
the BIG idea
Matter has properties that can be changed by physical and
chemical processes.
2.1 Matter has observable properties.
2.2 Changes of state are physical changes.
2.3 Properties are used to identify substances.
CHAPTER OUTLINE
CHAPTER RESOURCES
2.1
KEY CONCEPT
CHAPTER HOME
Matter has observable properties.
• Physical properties can be observed without changing
the substance.
• Physical changes can change some physical
properties but do not change the substance.
VOCABULARY
physical property
density
physical change
chemical property
chemical change
CHAPTER
RESOURCES
SECTION
OUTLINE
2.1
CHAPTER HOME
KEY CONCEPT
Matter has observable properties.
• Physical properties can be observed without changing
the substance.
• Physical changes can change some physical
properties but do not change the substance.
• Chemical properties describe how substances form
new substances.
• Chemical changes create new substances.
VISUALIZATION
See how materials can
go through physical and
chemical changes.
VOCABULARY
physical property
density
physical change
chemical property
chemical change
CHAPTER
RESOURCES
SECTION
OUTLINE
2.2
CHAPTER HOME
KEY CONCEPT
Changes of states are physical changes.
Matter is commonly found in three states: solid, liquid,
and gas.
VOCABULARY
melting
melting point
freezing
freezing
freezing point
Solid
Liquid
melting
evaporation
sublimation
boiling
boiling point
condensation
Liquid
condensation
Gas
evaporation, boiling
CHAPTER
RESOURCES
SECTION
OUTLINE
2.3
CHAPTER HOME
KEY CONCEPT
Properties are used to identify substances.
Physical properties that can be used to identify
substances include:
VOCABULARY
• density
• heating
properties
• solubility
• electric
properties
• magnetic
properties
Mixtures can be separated by using the properties of
the substances they contain.
CHAPTER
RESOURCES
SECTION
OUTLINE
2.1
KEY CONCEPT
CHAPTER HOME
Matter has observable properties.
I. Matter has observable properties.
A. Physical properties describe a substance.
VOCABULARY
physical property
density
1. Physical Properties
physical change
2. Density
chemical property
3. Physical Changes
chemical change
B. Chemical properties describe how substances
form new substances.
1. Chemical Properties and Changes
2. Signs of a Chemical Change
CHAPTER
RESOURCES
KEY CONCEPT
SUMMARY
2.2
KEY CONCEPT
CHAPTER HOME
Changes of states are physical changes.
II. Changes of states are physical changes.
A. Matter can change from one state to another.
B. Solids can become liquids, and liquids can
become solids.
VOCABULARY
melting
melting point
freezing
freezing point
1. Melting
2. Freezing
C. Liquids can become gases, and gases can
become liquids.
evaporation
sublimation
boiling
boiling point
1. Evaporation
2. Boiling
3. Condensation
condensation
CHAPTER
RESOURCES
KEY CONCEPT
SUMMARY
2.3
CHAPTER HOME
KEY CONCEPT
Properties are used to identify substances.
III. Properties are used to identify substances.
VOCABULARY
A. Substances have characteristic properties.
1. Identifying Unknown Substances
2. Properties Used for Identifying
Substances
B. Mixtures can be separated by using the
properties of the substances in them.
CHAPTER
RESOURCES
KEY CONCEPT
SUMMARY
CHAPTER HOME
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