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Chapter 1
Introduction to Life Science
20
Science
6th Grade
09/13/2009

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Term
science
Definition
a way of learning about the natural world and the knowledge gained through the process
Term
observing
Definition
the process of using one or more of your senses to gather information
Term
quantitative observation
Definition
an observation that deals with a number or amount
Term
qualitative observation
Definition
an observation that deals with characteristics that cannot be expressed in numbers
Term
inferring
Definition
the process of making an inference, an interpretation based on observations and prior knowledge
Term
predicting
Definition
the process of forecasting of what will happen based on past experience or evidence
Term
classifying
Definition
the process of grouping things based on their similarities
Term
making models
Definition
the process of creating representations of complex objects or processes
Term
life science
Definition
the study of living things
Term
scientific inquiry
Definition
the diverse ways in which scientists study the natural world and propose explantations based on evidence they gather
Term
hypothesis
Definition
a possible explanation for a set of observations or answer to a scientific question; must be testable
Term
variable
Definition
a factor in an experiment that can change
Term
controlled experiment
Definition
an experiment in which only one variable is manipulated at a time
Term
manipulated variable
Definition
the one factor that a scientist changes during an experiment; also called independent variable
Term
responding variable
Definition
the factor that changes as a result of changes to the manipulated, or independent, variable in an experiment; also called dependent variable
Term
operational definition
Definition
a statement that describes how to measure a particular variable or how to define a particular term
Term
data
Definition
facts, figures, and other evidence gathered through observations
Term
communicating
Definition
the process of sharing ideas with others through writing and speaking
Term
technology
Definition
how people modify the world around them to meet their needs or to 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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