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Grade 7 Chapter 1
Introduction to Life Science
16
Other
Not Applicable
07/28/2006

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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
using one or more of your senses to gather information
Term
inferring
Definition
to explain or interpret things you observe and by information you already know
Term
prediciting
Definition
to figure out what will happen in the future based on experience or evidence
Term
quantitative observations
Definition
deals with a number or amount
Term
qualitative observations
Definition
descriptions that cannot be expressed in numbers
Term
classifying
Definition
grouping together items that are alike in some ways
Term
models
Definition
a representation of a complex object or process
Term
life science
Definition
is the study of living things, known as biology
Term
scientific inquiry
Definition
different ways scientists study the natural world and present explanations based on evidence they put together
Term
hypothesis
Definition
a possible explanation for a set of observatoins or an answer to a scientific question
Term
variable
Definition
factors that can change in an experiment
Term
controlled experiment
Definition
only one variable is worked with at a time
Term
responding variable (dependent variable)
Definition
the factor that may change in response to the manipulated variable
Term
manipulated variable (independent variable)
Definition
one variable that is changed on purpose to test a hypothesis
Term
data
Definition
facts, figures, evidence gathered through observations
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