Manipulated Variable: Definition & Example


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question 1 of 3

Which variable is changed on purpose in an experiment?

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1. How can a scientist ensure that an experiment is a fair test?

2. Eli plans an experiment to test the strength of different magnets by counting how many paperclips each type of magnet can pick up. He uses large, medium, and small magnets made of the same material. He hangs each magnet 5 centimeters above a pile of paperclips and then counts how many paperclips are picked up. Which variable is the manipulated variable in Eli's experiment?

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About This Quiz & Worksheet

Manipulation variables is the main topic of this quiz and worksheet. Quiz questions will test your understanding of which variable is changed on purpose in an experiment and recognizing how a scientist can make sure that an experiment is a fair test.

Quiz & Worksheet Goals

Use the worksheet and quiz to:

  • Identify manipulated variables in a given scenario
  • Understand the purpose of having a control in an experiment
  • Interpret variables

Skills Practiced

These skills will be practiced:

  • Critical thinking - apply relevant concepts to examine information about experiments in a different light
  • Information recall - access the knowledge you've gained regarding how scientists can be certain about experiments being a fair test
  • Knowledge application - use your knowledge to answer questions about manipulated variables

Additional Learning

This lesson is entitled Manipulated Variable: Definition & Example and it will teach you the following:

  • Define variable
  • Be able to recognize the control group
  • Understand different types of variables
  • Analyze experiment examples