Chapter 1, Section 2-3 Scientific Inquiry and Measurement

A (a)   is a possible explanantion for a set of observations or answer to a scientific question.

This refers to the diverse ways in which scientists study the natural world and propose explanations based on evidence they gather.

• hypothesis

• data

• scientific inquiry

• scientific law

Any factor that can be measured in an experiment is called a (a)   .

(a)   are facts, figures, and other evidence gathered through observations.

The variable that is purposely changed to test a hypothesis is a ____________ variable.

• manipulated

• dependent

• controlled

• model

The factor that is expected to change is the ________________ variable.

• constant

• dependent

• responding

• independent

An experiment in which only one variable is manipulated at a time is a _______________ experiment.

• manipulated

• controlled

• responding

• communicating

The sharing of ideas and experimental findings with others through writing or speaking is ____________________.

• data

• scientific theory

• communicating

• modeling

A scientific __________is a well-tested explanation for a wide range of observations or experimental results, while a scientific _____ is a statement that describes what scientists expect to happen every time under a particular set of conditions.

• theory, law

• law, theory

• inquiry, hypothesis

• hypothesis, law

A (a)   is a picture, diagram, computer image, or other representation of an object or a process.