what is a varable
An "Indepndent Variable" is something in the expieriment that can be changed. And a "Dependent Variable" is something that doesn't change.
controle depenent independent
varable
independend varable (<>)
remove the varable speed pulley-replace both belts re-install varable speed pulley--your done.
Something that dose not change in an experiment, that the results are compared too.
A liquid has a variable shape and a definite volume.
Something you would either keep the same or change during a practical, to ensure the experiment is a fair test.
Varable cost and fixed cost
in the math question a person weighs 100 lbs on earth weighs 16.6 on the moon which the varable and independent variable
Theory