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Scientific Method

NGSS Science Unit 1 Vocabulary practice

TermDefinition
Scientific 
Method
 A
step-by-step method
of problem
solving
by
testing
a
hypothesis. 

Observation Gathering information with our senses or scientific instruments.

Hypothesis A proposed explanation 
that 
answers 
your 
question made on the basis of limited evidence as a starting point for further investigation.
Experiment Testing
an
idea or hypothesis
through
a controlled investigation.

Data A
collection
of
facts – usually numbers
Independent Variable What
 causes
the
changes
measured in an experiment. Written
in the
first
part of
the
hypothesis
after
the
"If___"

Dependent Variable The changes that are measured
in
an experiment. Written after the
"then,
 ________" 
in the hypothesis.

Conclusion A judgment that tells whether
the
data does
or does not
support 
the hypothesis
.
Control The part of the experiment NOT exposed to the independent variable.
Inference An educated guess based on observations (five senses) and prior knowledge.
Volume The amount of three-dimensional space occupied by an object.
Length The straight line distance between two points along an object.
Mass The amount of matter in an object.
Meters The measurement for length.
Liters The measurement for volume.
Grams The measurement for mass.
Created by: user-1777429
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