What is the first step of the scientific method?
Observation
True or False: A hypothesis must be testable.
True
Fill in the blank: A ______ is a proposed explanation for a phenomenon.
hypothesis
What is the purpose of an experiment in the scientific method?
To test the hypothesis
Which of the following is not a part of the scientific method? A) Observation B) Hypothesis C) Conclusion D) Assumption
D) Assumption
What do scientists do after analyzing data from an experiment?
They draw a conclusion.
True or False: The scientific method is a linear process.
False
What is a variable in an experiment?
A factor that can change or be changed.
What type of variable is manipulated in an experiment?
Independent variable
What type of variable is measured in an experiment?
Dependent variable
Fill in the blank: A ______ is a statement that predicts the relationship between variables.
hypothesis
What is the role of a control group in an experiment?
To serve as a baseline for comparison.
What is the last step of the scientific method?
Communicating results
True or False: Scientific theories can never be changed.
False
What must be done if the hypothesis is not supported by the experiment?
Revise the hypothesis and retest.
