What is an observation based on?

• Interpretation of data

• Facts based on your five senses

• Hypothesis testing

• Experimental results

What is an inference?

• A direct measurement

• An interpretation of your observations

• A hypothesis

• A scientific law

Which of the following is the first step in the scientific method?

• Form a hypothesis

• Design an experiment

• State the problem/question

• Record data

What is a hypothesis?

• A conclusion drawn from data

• An educated guess in the form of 'If...then...because'

• A detailed experimental procedure

• A summary of results

What is the role of the control group in an experiment?

• To receive the test

• To serve as a comparison

• To change the independent variable

• To record data

What does the independent variable represent in an experiment?

• The outcome of the experiment

• What the experimenter changes

• The data collected

• The control group

Tags

NGSS.MS-PS2-2

What is the dependent variable in an experiment?

• The factor that stays the same

• The result or outcome of the experiment

• The group that receives the test

• The hypothesis

Tags

NGSS.MS-PS1-2

What is the purpose of constants in an experiment?

• To change the outcome

• To stay the same throughout the experiment

• To serve as a comparison

• To form a hypothesis

Which group receives the test in an experiment?

• Control group

• Experimental group

• Independent variable

• Dependent variable

What is the final step in the scientific method?

• Form a hypothesis

• Make a conclusion

• Design an experiment

• Record data