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Science Vocabulary (Qtr. 2)
Vocab. from 1st and 2nd Qtrs.
18
Science
8th Grade
12/13/2010

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Cards

Term
Values
Definition
that an individual or society has for doing the right thing
Term
Scientific Method
Definition
an organized system of problem-solving
Term
Hypothesis
Definition
a possible answer to a question, prediction, or an educated guess
Term
Experiment
Definition
a way of testing your hypothesis or "question"
Term
Theory
Definition
the best explanation scientists have to explain things they've observed tested and verified many times
Term
Observation
Definition
the act of noting something that can be sensed directly or with the aid of an instrumently
Term
Inference
Definition
attempt to explain a particular event by making a logical judgement on the basis of curcomstantial evidence and prior conclusions rather than on the basis on direct observation
Term
Variable
Definition
the factor being tested in a experiment
Term
Fact
Definition
an answer that has been "proven" to the correct by checking & testing
Term
Constant
Definition
variables that do not change in a experiment
Term
Controlled Experiment
Definition
an experiment where only one variable at a time is changed
Term
Control Group
Definition
the part of the experiment that includes all of the conditions except the are being tested
Term
116
Definition
the amount of total atoms
Term
92
Definition
amount of atoms found in nature, most stable
Term
Metals
Definition
usally lose electrons in forming compounds
Term
Nonmetals
Definition
usually gain electrons(or share them) in forming compounds
Term
Metalloids
Definition
sometimes act like metals and sometimes like non metals
Term
Noble Gases
Definition
very un-reactive usually neither gain nor lose electrons nor share them
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