What Are Variables in an Experiment

Variables in Your Science Fair Project

These changing quantities are called variables. A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled. ... The number of dependent variables in an experiment varies, but there is often more than one.

www.sciencebuddies.org/science-fair-projects/project_va... www.sciencebuddies.org/science-fair-projects/project_variables.shtml

Experiment
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What are variables in an experiment?

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Let's say that you are conducting this experiment: You don't water a plant and observe the growth of that plant.(This is an easy example though) There is the independent variable- ( time). The variable that doesn't depend on anything. For e...

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Lesson Two: Design an Experiment

Any other conditions in the experiment are called controlled variables. You must keep these conditions constant for all plants in the experiment. Controlled variables might include light exposure, humidity, pH of solution, ambient noise, etc.

library.thinkquest.org/C0110342/lessonplan/lesson2.html

What are the variables in a experiments?

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Here is a little something I like to call DRY MIX. DRY stands for Dependant (variable) and Responsive (variable). The Y stands for y-axis which both of these are on because they are the SAME THING with different names. So the dependant vari...

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WikiAnswers - How do you describe variables in an experiment

Biology question: How do you describe variables in an experiment operationally? Variables work by telling you what you need to change, what to observe, and what to keep the same in a experiment. ... Answers.com > Wiki Answers > Categories > Science > Biology > How do you describe variables in an experiment operationally?

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Explain what a controlled experiment is and why its important to

This helps you determine which environmental variables can alter results and which are benign. Controlling the variables is also important when an experiment might undergo peer review before publication in a scientific journal.

answers.yahoo.com/question/index?qid=20070911143958AAuu... answers.yahoo.com/question/index?qid=20070911143958AAuuRAG

Define the Variables

There should be three categories of variables in every experiment: dependent, independent, and controlled. ... Dependent -- is what will be measured; it's what the investigator thinks will be affected during the experiment.

www2.lv.psu.edu/jxm57/irp/var.htm

Variables in Microcell Experiment

Change of aqueous phase characteristics ... pH, ionic strength ... Three-phase experiment...

www.pnl.gov/emsp/fy2001/presentations/grimberg/tsld022.... www.pnl.gov/emsp/fy2001/presentations/grimberg/tsld022.htm

Journal of Cerebral Blood Flow & Metabolism - Table 1 for article:

Shigetoshi Shimizu, Tetsuya Nagayama, Kun Lin Jin, Li Zhu, J Eric Loeffert, Simon C Watkins, Steven H Graham and Roger P Simon ... BACK TO ARTICLE ... Table 1. Physiologic variables in tolerance experiment...

www.nature.com/jcbfm/journal/v21/n3/fig_tab/9591059t1.h... www.nature.com/jcbfm/journal/v21/n3/fig_tab/9591059t1.html

Experiment - Wikipedia, the free encyclopedia

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In scientific research, an experiment (Latin: ex- periri , "to try out") is a method of investigating causal relationships among variables, or to test a hypothesis. An experiment is a cornerstone ...
en.wikipedia.org/wiki/Experiment