How can manipulate the independent variable?What is a dependent variable and a independent variable?
A dependent variable is when 2 thing move hand in hand such as air density and temperature then the temperature goes down air pressure goes up.
An independent variable would be something like size of a container the air is in the metal it is made, it openings an their size anything that if you are to vary it does not vary another variable and can me manipulated in limitless way depending o what your terms are.
Say I have a large tank filled with X gas and at 100 degrees Fahrenheit it has a PSI of 30 but at 50 degrees Fahrenheit it has a PSI of 32. Both the temperature of the air and it's PSI are dependent on one another and are thus dependent variables
an independenVariableble could be it what it contains other than gas if those stats are the same if it has 0 or 500 ball barrings in it the the number of ball barring is an independent variable in that effects no other variable.What is a dependent variable and a independent variable?
this is pretty good...
http://nces.ed.gov/nceskids/help/user_gu鈥?/a>
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