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Chapter 1
Science Chapter 1
23
Science
7th Grade
06/14/2010

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Term
science
Definition
way of learning about the natural world
Term
quantitative observation
Definition
observation that deals with numbers
Term
qualitative observation
Definition
observation that has to do with characteristics
Term
inferring
Definition
interpretation based on an observation
Term
predicting
Definition
make a forecast on the future based on acquired evidence
Term
inquiry
Definition
diverse ways how scientists study the natural world and propose explanations
Term
hypothesis
Definition
possible explanation for a set of observations
Term
variables
Definition
factor that can change in an experiment
Term
manipulated variable
Definition
variable that is purposely changed
Term
responding variable
Definition
factor that changes in response to manipulated variable
Term
data
Definition
facts, figures, and other evidence gathered through observations
Term
scientific law
Definition
a statement that describes what scientists think will happen every time under a certain set of conditions
Term
scientific theory
Definition
well-tested concept that explains a wide range of observations
Term
metric system
Definition
system of measurement using centimeters, meters, etc.
Term
observing
Definition
using one or more of your senses to gather information
Term
classifying
Definition
the process of grouping together items that are alike in some way
Term
making models
Definition
creating representations of complex objects or processes
Term
life science
Definition
the study of living things
Term
controlled experiment
Definition
An experiment in which only one variable is manipulated at a time
Term
operational definition
Definition
a statement that describes how to measure a variable or define a term
Term
communicating
Definition
the sharing of ideas and experimental findings with others through writing and speaking
Term
technology
Definition
how people change the world around them to meet their needs and solve practical problems
Term
engineer
Definition
a person who is trained to use both technological and scientific knowledge to solve practical problems
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