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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

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.

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
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

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.
The process when a liquid becomes a gas.
The process when gas changes it's state to become a liquid.
The process when a liquid becomes a solid.
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.
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
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/>.
Melting point of water is above 0 degrees Celsius, while the melting point of iron is over 1500 degrees Celsius.

Water freezing into ice.
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.

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