Scientific Method Vocab Practice

Which of the following best describes a "hypothesis" in the scientific method?

• A proven fact

• An educated guess or prediction that can be tested

• A summary of results

• A mathematical equation

What is the purpose of a "control" in an experiment?

• To change the outcome

• To serve as a standard for comparison

• To record data

• To test multiple variables at once

Which variable is deliberately changed by the experimenter in an experiment?

• Dependent variable

• Control variable

• Independent variable

• Placebo

On a graph, which axis is typically used to represent the independent variable?

• x-axis

• y-axis

• z-axis

• Both axes

What is a "placebo" most commonly used for in scientific trials?

• To increase the effect of the treatment

• To act as a fake treatment for comparison

• To measure accuracy

• To change the dependent variable

Which of the following is NOT a step in the scientific method?

• Forming a hypothesis

• Drawing a conclusion

• Ignoring evidence

• Conducting an experiment

What is the dependent variable in an experiment?

• The variable that is kept constant

• The variable that is measured or observed

• The variable that is manipulated

• The variable that is ignored

Which term refers to the factors that are kept the same throughout an experiment?

• Constants

• Placebo

• Theory

• Claim

What is the main purpose of the "scientific method"?

• To memorize facts

• To systematically investigate questions and solve problems

• To prove all hypotheses correct

• To create confusion

Which of the following best defines a "theory" in science?

• A guess with no evidence

• A well-supported explanation based on evidence

• A single experiment's result

• A mathematical formula