Details

Title: Ch. 1 Vocabulary

Description: chapter 1

Total Flash Cards: 14

Created: 08/31/2006 05:07:36

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Cards in this set:

Term
scientific method
 Definition
an orderly for gaining, organizing, and applying new knowledge
Term
hypothesis
 Definition
an educated guess; a reasonable explanaion of an observation or expiamental result that is not fully accepted as factual until tested over and over again by expirament.
Term
controlled expirament
 Definition
testing one variable at a time; usually involves an expiramental group and control group.
Term
variables
 Definition
conditions that can change or be changed.
Term
control
 Definition
test group kept under normal conditions; a standard for comparison to see the effect of the changed variable.
Term
constant
 Definition
conditions that are kept the same between the testing groups
Term
independent vairable
 Definition
the condition that is purposely changed to test its effect (x axis)
Term
dependent variable
 Definition
the effect or the outcome that is the result of changing the independent vaiable (y axis)
Term
fact
 Definition
close agreement by competent observers of a series of observations of the same phenomenon.
Term
inference
 Definition
conclusion based on observations. opinion
Term
law/principle
 Definition
rules about nautre that have been verified by experiment over and over and are believed to be true.Statement about how something in nature works.
Term
theory
 Definition
a synthesis of a large body of information that encompasses well-tested and verified hypotheses about certain aspects of the natural world. Statement about WHY something in nature works a certain way.
Term
science
 Definition
a method of answering theoretical questions. Discovering facts and relationships about phenomenon in nature and establishing theories that organize these ideas.
Term
technology
 Definition
method of solving practical problems. Tools, techniques, and procedures for putting the findings of science to use