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Unit 1 Vocabulary
Vocabulary for first exam
29
Biology
9th Grade
09/23/2010

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Term
Science
Definition
a method of questioning and answering
Term
Experiment
Definition
a test
Term
Independent Variable
Definition
x-axis /stands alone /the thing the scientist is changing
Term
Units
Definition
measurement terms
Term
Dependent Variable
Definition
y-axis /the thing that happens because of what the scientist changed /reacton
Term
X-Axis
Definition
Independent variable;MIX;
Term
Y-Axis
Definition
dependent variable; DRY
Term
D-R-Y M-I-X
Definition
d-dependent r-responding y-y-axis
m-manipulated i-independent x-x-axis
Term
Title
Definition
name
Term
Data
Definition
the info you get from the experiment
Term
Purpose
Definition
Why are we doing this?
How does_____ effect_____?
Term
Hypothesis
Definition
What do you think is going to happen when you do it?
If___then___will happen because of___.
Term
Materials
Definition
What are we using to do the experiment?
Term
Procedure
Definition
List the steps that you use so someone else can repeat it exactly like you did it.
Term
Result
Definition
Outcome
Term
Conclusion
Definition
What does it all mean?
Term
Investigative Question
Definition
What would you like to know more about?
Term
Quantitive Observation
Definition
A number that we get from measuring something
Term
Qualitative Observation
Definition
an observation we make with our 5 senses
Term
Precision
Definition
how close we get to the same measurement each time we try
Term
Accuracy
Definition
How close we get to the true value
Term
Control Group
Definition
a group that we compare to, we dont change it
Term
Controlled Variable
Definition
A variable that stays the same
Term
Cell
Definition
smallest unit of living things
Term
Fair Test
Definition
only two variables change- the independent and dependent
Term
Homeostasis
Definition
to maintain balance within an organism
Term
Reaction
Definition
to respond to something
Term
Organism
Definition
a living thing
Term
7 Characteristics of Living Things
Definition
-made up of cells
-grow and develop
-reproduce
-maintain homeostasis
-has a mechanism for heredity
-responds to environment
-uses energy and matter
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