Scientific Method Quiz

What is the first step in the scientific method?

• Form a hypothesis

• Design an experiment

• Identify the problem

• Analyze the data

What is a hypothesis?

• A testable and measurable explanation for a set of observations

• A random guess

• A proven fact

• An untestable opinion

Which of the following is an example of a testable scientific question?

• Why is the sky blue?

• How does fertilizer affect plant growth?

• What is the meaning of life?

• Why do people dream?

What is the purpose of conducting background research in the scientific method?

• To find out what’s already written about your question before starting your experiment

• To prove your hypothesis is correct

• To gather materials for the experiment

• To design the experiment

What is a controlled experiment?

• An experiment that tests multiple variables at once

• An experiment that compares two or more things but changes only one variable

• An experiment without any control group

• An experiment that does not require a hypothesis

In a controlled experiment, what is the group called that does not receive the experimental treatment?

• Experimental group

• Variable group

• Control group

• Test group

Which type of variable is tested and changed by the scientist in an experiment?

• Independent Variable

• Dependent Variable

• Controlled Variable

• Random Variable

What does the dependent variable represent in an experiment?

• The variable that is kept constant

• The variable that is measured by the scientist

• The variable that is tested and changed by the scientist

• The variable that is ignored

In a graph, what does the x-axis typically represent?

• The dependent variable

• The controlled variable

• The independent variable

• The random variable

What is a conclusion in the context of a scientific experiment?

• A summary of the data collected

• A new hypothesis

• A random guess

• An unrelated observation