Scientific Method and Variables Worksheet

What is a variable in a scientific experiment?

• A tool used to collect data

• A person doing the experiment

• Something that can change in an experiment

• A step in the scientific method

Tags

NGSS.MS-PS2-2

What is an independent variable?

• The result measured in an experiment

• The variable that is changed on purpose

• The tools used to measure data

• The number of trials in the experiment

Tags

NGSS.MS-PS1-2

What is a dependent variable?

• The variable that stays the same

• The data collected during the experiment

• The variable changed by the scientist

• The control group

Which of the following is a scientific tool used to measure temperature?

• Thermometer

• Ruler

• Stopwatch

• Balance

What is the first step in a scientific investigation?

• Collect data

• Define the problem

• Draw a conclusion

• Analyze results

What is a control variable?

• A variable that is not used

• The variable that stays the same

• The variable changed by the scientist

• The final result

What kind of data is shown in a line graph?

• Random data

• Data that shows change over time

• Survey data

• Pictures of the experiment

Tags

NGSS.MS-PS3-1

Which part of the scientific method includes making a guess about the outcome?

• Experiment

• Observation

• Hypothesis

• Conclusion

What does a bar graph usually compare?

• Colors

• Different categories or groups

• Equations

• Tools

Which word best describes a scientific theory?

• Opinion

• Guess

• Explanation

• Question

Tags

NGSS.HS-LS4-2