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Chapter 1
vocabulary for chapter 1
13
Science
8th Grade
09/13/2012

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Term
observation
Definition
gathering information through the use of one or more senses
Term
science
Definition
a way or process used to investigate what is happening around you
Term
technology
Definition
application of science to make products or tools that people can use
Term
descriptive research
Definition
answers scientific questions through observation
Term
experimental research design
Definition
used to answer scientific questions by testing a hypothesis through the use of a series of carefully controlled steps
Term
scientific method
Definition
steps to follow to try to solve problems
Term
model
Definition
represents things that happen too slowly, too quickly, or are too big or too small to observe directly
Term
hypothesis
Definition
a prediction or statement that can be tested
Term
independent variable
Definition
the variable that is changed
Term
dependent variable
Definition
the factor being measured
Term
constant
Definition
variable that stays the same
Term
control
Definition
a sample in an experiment that is treated like the other experimental groups except the independent variable is not applied to it
Term
information technology
Definition
cell phones and computers have led to worldwide distribution of information
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