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Chapter vocab and Scientific method
Science is all around
20
Biology
9th Grade
01/25/2013

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Term
Skepticism
Definition
A questioning and often doubtful attitude.
Term
Observation
Definition
Is the act of noting or perceive objects or events by using senses.
Term
Hypothesis
Definition
Is a possible explanation that can be tested by observation or experimentation.
Term
Experiment
Definition
Is a procedure that is carried out under controlled conditions to test a hypothesis.
Term
Control Group
Definition
Serves as a standard of comparison because the group receives no experimental treatment.
Term
Theory
Definition
A system of ideas that explains many related observations and is supported by a large body of evidence acquired through scientific investigation.
Term
SI
Definition
The international system of units, which is the measurement system that is accepted by scientist worldwide.
Term
Biology
Definition
Is the study of life.
Term
Cell
Definition
Is a highly organized, tiny structure that is enclosed in a thin covering called a membrane.
Term
Homeostasis
Definition
The maintenance of stable internal conditions in spite of changes in the external environment.
Term
Metabolism
Definition
Is the sum of all of the chemical reactions carried out in organisms.
Term
Reproduction
Definition
Is the process by which organisms make more of their own kind from one generation to another.
Term
Heredity
Definition
When a organism reproduces, it passes on its own traits to its offspring.
Term
Evolution
Definition
Inherited characteristics change over generations.
Term
Independent Variable
Definition
Variable that cause something to change.
Term
Dependent Varable
Definition
Variables that are a result of something that changed.
Term
Experimental group
Definition
A group of subjects who are exposed to the variable under study.
Term
Coclusion
Definition
The final observation of your experiments.
Term
Analyze results
Definition
Review results from all your experiments.
Term
Peer Review
Definition
When You and your helpers all gather to review the results from the experiments.
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