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# What does it mean by independent variable for a science project?

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The variable that varies independently of any other. The variable that you will be setting in order to measure what happens to some other variable quantity.

Posted on Dec 05, 2014

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Posted on Jan 02, 2017

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## Related Questions:

### What does responding variable mean?

Hi,

The responding variable is another name for the dependent variable.

On a graph, the x variable is the independent variable and the y variable is the dependent/responding variable.

I remember the difference between the two in that the dependent variable depends on the independent variable. For example, for teenagers, in height versus age, the age would be the independent variable and the dependent variable would be the height. We would expect as teenagers get older, they are taller.

Let me know if you have any questions.

Good luck.

Paul

Sep 02, 2015 | Miscellaneous

### In illusions what is the variables

A dependent variable is what you are testing for. For example how many people see x in a picture. Where is x is defined as something that is not really present.

The independent variables would be things that can affect the outcome. Light, distance, angle etc

Mar 02, 2015 | Frank Schaffer SCIENCE FAIR PROJECTS GR...

### What is a independent varible

An independent variable is the variable you have control over, what you can choose and manipulate. It is usually what you think will affect the dependent variable. In some cases, you may not be able to manipulate the independent variable. It may be something that is already there and is fixed, something you would like to evaluate with respect to how it affects something else, the dependent variable like color, kind, time.
Example: You are interested in how stress affects heart rate in humans. Your independent variable would be the stress and the dependent variable would be the heart rate. You can directly manipulate stress levels in your human subjects and measure how those stress levels change heart rate.

Hope this helps you.
Regards,
Dennis

Oct 19, 2014 | Cars & Trucks

### What does independent variable mean?

An independent variable is the variable you have control over, to help guide your test.

Aug 12, 2014 | Life Science Medical

### I have a project and i don't know what independent or dependent means

When conducting an experiment, a researcher usually has a dependent and independent variable. The independent variable is the variable that can be changed or manipulated (think of it as a cause). The dependent variable is the variable that depends on the independent variable (think effect).

For example, if you wanted to test whether practice improves an athlete's performance (lets say number of touchdowns):
• Practicing (or not) is what you can manipulate. It is the independent variable.
• Number of touchdowns is the dependent variable. The results depend on whether or not the athlete practiced.

Sep 07, 2013 | Finance

### What are the steps for a science project?

1 decide what project you want to do.2 collect resources that pertain to that subject. 3 determine what variables you are going to use. 4 make list of the different outcomes from the different uses of the variable. 5 write your findings in a report that explains how you came to each conclusion

Sep 12, 2012 | Edu-Science Edu Science Microscope Set

### Examples of independent and dependent variable

hi.

for a full definition, try wikipedia.
an independent variable can be freely changed.
a dependent variable will BE changed as the independent variable is changed
basically there are 2 main examples. mathematical, and experimental.

with experiments,(science, chemistry etc.) one example would be changing the amount of fertilizer fed to a plant to see how it affects growth. there are 2 variables here. amount of fertilizer used and growth of the plant.
the amount of the fertilizer can be freely changed. (independent variable)
the amount of growth DEPENDS on the amount of fertilizer (dependent variable)

with maths, you can use something like 2x+5=y.
x can freely changed. it is the independent variable. y will change depending on the value of x.

hope this helps

Jul 04, 2011 | Cycling

### An experiment is being done to determine how light affects the growth small zinnia plants. one plant is placed in full sunlight, the second in a shaded area, and the third in an unlit closet. what is the...

Hi.
I see tests like evry now and again on here, and This one is one of the easier questions to answer.
In this problem, you are looking for the variable.
In that all 3 plants are the same size at the beginning, and that all 3 get watered the exact same amount at the same time, then the only variable is light.
You must determine is a direct, shaded on non-existent light source produces better growth of the zinnias.
The light source is the independent variable.

Feb 09, 2011 | MPS Multimedia SelectSoft Publishing...

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