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science

organized way of using evidence to learn about the natural world

scientific inquiry

thinking and asking questions about what you observe; refers to the many different ways in which scientists investigate the natural world and propose explanations based on the evidence they gather.

observation

any use of the senses to gather information

inference

logical interpretation based on prior knowledge and experience

hypothesis

one possible answer to your question; must be testable

variable

any condition that can affect the outcome of an experiment

manipulated variable

Factor in an experiment that a scientist purposely changes; also known as independent variable.

responding variable

the variable that changes in response to the manipulated variable

controlled experiment

an experiment that tests only one factor at a time by using a comparison of a control group with an experimental group

scientific law

a statement about what happens in nature and that seems to be true all the time

scientific theory

An explanation supported by many tests and accepted by a general agreement of scientists.

prediction

a logical statement about what will happen if the hypothesis is correct

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