Biology Honors Ch. 2 Vocab

Created by jellojeel 

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Definitions

Data

recordings of information in reference to something observed

Independent Variable

Manipulated variable
factor that the scientist purposely change

Variables

factor in an experiment that can change

Quantitative Data

descriptions if numbers

Qualitative Data

Descriptions in words

Hypothesis

testable explanation

conclusion

summary statement
a statement summing up the results of the experiment

Scientific Law

fundamental underlying principles of how the universe is organized

Theory

a hypothesis the has been repeatedly tested and supported with little modification

Statistics

The science that deals with the collection, classification, analysis, and interpretation of numerical facts or data

Accuracy

the ability of a measurement to match the actual value of the quantity being measured

Precision

The ability of a measurement to be consistently reproduced

controlled variable (constants)

factor that scientists purposely keep the same

prediction

an inference about a future event based on evidence, prior experience, or prior knowledge

deductive reasoning

reasoning applying a generalization to a specific situation
big to small

inductive reasoning

reasoning using a set of specific observations to form a general conclusion
small to big

bias

to influence in a particular, typically unfair direction; prejudice

dependent variable

responding variable
the variable the scientist want to observe and measure
the factor the may change because of the independent variable

control group

does not have the variable being tested or the variable being tested in not changed, it is kept "normal"

experiment

tests done under controlled conditions to investigate cause and effect relationships

observations

information gained through the senses and recorded

scientific method

organized way to investigate

inference

explanations for observations based on prior knowledge and experience

experimental group

receives the variable being tested or the variable tested is varied

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