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[Science: Chapter 2] Properties of Matter

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Joy Padua

on 25 October 2013

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Transcript of [Science: Chapter 2] Properties of Matter

Chapter 2
Properties of Matter
Physical
Properties

A characteristic of a substance that can be observed without changing the identity of the substance.
Physical Change
A change in a substance that does not change the substance into a different one.
Chemical
Properties

A characteristic of a substance that describes how it can form a new substance.
Chemical Change
The change of one substance into another substance.
L i
k e
Lighting a match
Alka seltzer in water
Section 2.1
Density
A property of matter representing the mass per unit volume.
Signs of chemical change include:
• Production of odor
•Change in Temprature
•Change in color
•Formation of bubbles
•Formation of a solid
Section 2.2
Changes of States
Melting

The process by which a solid becomes a liquid.
Melting Point
The temperature at which a substance changes from it's solid state to it's liquid state through melting.
Evaporation
The process when a liquid becomes a gas.
Condensation
The process when gas changes it's state to become a liquid.
Freezing
The process when a liquid becomes a solid.
Boiling
The process when a liquid becomes a gas.
Freezing Point
The temperature when a specific liquid becomes a solid
Boiling Point
Then temperature when a substance changes from it's liquid state to it's gas through boiling.
Properties Identify Substances.
Section 2.3
Heating Properties
The way a substance reacts by heating.
Solubility
A measure of how much of a substance dissolves in a given volume of a liquid.
Electric Properties
The way substances conduct electricity, letting an electric charge to move through easily.
Magnetic Properties
Substances attracted by a magnetic force.
Chapter 2
Review
BIBLIOGRAPHY
McDougal Littell. Physical Science. Washington D.C. National Academy of Sciences, 1996
"Main Page." Wikipedia. Wikimedia Foundation, 10 June 2013. Web. 05 Oct. 2013. <http://www.wikipedia.com/>
"Google." Google. N.p., n.d. Web. 05 Oct. 2013. <http://www.google.com/>.
Example:
Example:
Melting point of water is above 0 degrees Celsius, while the melting point of iron is over 1500 degrees Celsius.
Example:

Water freezing into ice.
Example:
The boiling point of water is 100 degrees Celsius, and depending on what substance, it has a different boiling point. Like the boiling point of iron is 2862 degrees Celsius.
Example:

Like food heating in the microwave. Depending on what your heating up, it reacts different to others who need more or less heat.
Example:
When sugar dissolves in a glass of hot water.
Example:
Like when you rub you socks on a fuzzy carpet.
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