Information gathered from observations are

A proposed scientific explanation for a set of observations is a

A system of measurements scaled in multiples of 10 and used by scientists is the

The process of gathering information about events or processes in a careful, orderly way is called

A well tested explanation that unifies a broad range of observations is a

A factor in an experiment that is affected by the manipulated variable is the

The process of keeping an organism's internal conditions constant is called

The variable that is deliberately changed in a controlled experiment is the

A device that produces magnified images of structures too small to see with the naked eye is a

Data that is obtained by measuring is said to be

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