Scientific Method Review

There are ___ variables in an experiment.

In order for an experiment to happen a _________ or a question must first be identified.

In a controlled experiment only ____ variable is changed at a time.

What is the first step in the scientific method?

The ___________ variable is the variable that is deliberately changed by the scientist.

The factors in an experiment that can be changed are called ___________________________ .

A __________  must be stated in a way that makes it “testable”. It is just a possible answer to a question.

The _________  variable is the one observed during the experiment

A ___________________ is simply a prediction and has not yet been proven or disproven.

What is a series of steps used by scientists to solve a problem or answer a question?