Biology Lesson 1.1 What is Science?

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Dependent Variable

the variable that changes in response to the independent

Independent Variable

the variable that is deliberately changed

Methodology

system of methods used in a particular way to study

Observation

the act of noticing and describing events or processes in careful, orderly way

Inference

a logical interpretation based on what scientist already know

Hypothesis

a scientific for a set of observations that can be tested in ways that support or reject it

Science

an organized way of gathering and analyzing evidence about the natural world -way of observing, a way of thinking, and a way of knowing about the world

Data

evidence; information gathered from observations

Controlled Experiment

experiment when only one variable is changed

What procedures are at the core of methodology?

involves... -observing and asking questions -making inference and forming hypotheses -conducting controlled experiments -collecting and analyzing data -drawing conclusions

Control Group

is exposed to the same conditions as the experimental group except for one independent variable

What are the goals of science?

is to provide natural explanations for events in the natural world. Science also aims to use those explanations to understand patterns in nature and to make useful predictions about natural events.


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