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Matter
Test Review for KCCS (Mrs. Lehman)
15
Science
8th Grade
02/15/2011

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Cards

Term
What are the two important properties of matter?
Definition
Physical and Chemical
Term
Describe a physical property...
Definition
Any characteristic of a material that can be observed without changing the identity of the substance that makes up the material.
Term
A change in size, shape, or state of matter is called what?
Definition
Physical change
Term
The process for separating substances in a mixture by evaporating a liquid and recondensing its vapor is called what?
Definition
Distillation
Term
Describe a chemical property...
Definition
A characteristic of a substance that indicates whether it can under go a certain chemical changes.
Term
What is a chemical reaction between silver metal and sulfur compounds in the air which results in silver sulfide.
Definition
Tarnish
Term
A substance can be either an ________ or ____________
Definition
Element or Compound
Term
True or False: All substances are built from atoms.
Definition
True
Term
What is a suspension?
Definition
A heterogeneous mixture containing a liquid in which posible particles settle
Term
What is a compound?
Definition
A substance in which the atoms of two or more elements are combined in a fixed proportion
Term
What is a substance?
Definition
Can be either an element or compound
Term
What is a type of mixture with particles larger than those in solutions but not heavy enough to settle out?
Definition
Colloid
Term
True or False: The ability to flow is a chemical property
Definition
False
Term
True or False: A solution can settle upon standing
Definition
False
Term
True or False: Water would not be an element
Definition
True
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