Scientific Method Review

Which is the best definition for an independent variable?

• The variables that you need to keep the same for each test. 
• The  variable that you are measuring
• The variable that you are changing or comparing.
• The answer to your testable question

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-5

Which is the best definition for dependent variable? 

• The variables that you need to keep the same 
• The  variable that you are measuring
• The variable that you are changing or comparing.
• The answer to your testable question

Tags

NGSS.MS-PS3-4

Which is the best definition for constant variable? 

• The variables that you need to keep the same 
• The  variable that you are measuring
• The variable that you are changing or comparing.
• The answer to your testable question

What is a hypothesis?

• an educated guess stating what you believe will be the result of your experiement

• a random guess

• a statement of the outcome of your experiment

• step by step directions for your experiment

Tags

NGSS.MS-LS1-5

What is the independent variable in the experiment described in the image?

• The score on the test

• The hours students spent studying

• The average score on the test

• The materials used

What is the dependent variable in the experiment described in the image?

• The hours students spent studying

• The materials used

• The score on the test

• The hypothesis

Which step involves listing materials, procedure, and observations?

• Observation

• Hypothesis

• Experiment

• Conclusion

What should be included in the procedures section of an experiment report?

• A detailed list of each step taken to complete the experiment.

• Only the successful steps.

• The hypothesis and conclusion.

• The list of materials used.

What is the term for the variable that the experimenter changes to see if there is an effect?

• Dependent Variable

• Control Group

• Independent Variable

• Constant

Tags

NGSS.MS-PS2-2

In an experiment, what is the variable that responds to the change?

• Independent Variable

• Dependent Variable

• Control Group

• Hypothesis