Answer this for me, It's driving me insane.?

Question

When you compare the values of a variable at the beginning and end of an experiment, what can you learn?

I can't get the answer to this at all. It doesn't make sense to me, could someone answer this in lamens terms please?

Thank you so much.

Answer 1

The "variables" are the things in the experiment you are testing. If you wanted to see if the rate of polar bear births increased when the sale of ice cream increased in Georgia (btw, it does), then the variables would be polar bear births and ice cream sales in Georgia.

You should note that just because the values of your variables change, does not mean that a cause and effect relationship exists. As in the example above, just because more polar bears are born in years where ice cream sales in Georgia are high, does not mean that Georgia can make polar bears have more babies just by buying more ice cream.

Answer 2

variables are things that are different, or are influenced by a circumstance. So if you started an experiment at 20 degrees, and ended at 40 degrees, you would have to figure in that variable to reach a conclusion about your experiment. If all conditions were identical at the start and finish of the experiment, you would know the results were not a result of external, or different variables, but rather the result of a property you were trying to research. Gee, hope this helps, and not just muddies things up more

Answer 3

A variable is simply something that might be changed as a result of the experiment. If the variable changes then it means the experiment has done something. If it doesn't change, then the experiment didn't do anything.

You can use the amount of variable change to decide if the experiment did a lot or just a little, or nothing at all.

Answer 4

i don't be stricken by insanity.... ...I get exhilaration from each and every minute of it. solutions is nearly a mini assylum the place those people who're insane can effectively permit off slightly steam so we don't pass postal in the actual international. i'm too freakin' in charge in my on a daily basis existence. it relatively is surprising to in effortless terms loosen up and pass with the pass. frightening theory: solutions only would desire to rigidity some human beings SANE.

Answer 5

in layman's terms
(1) the amount of change if any
whether it increased, decreased or stayed the same
(2) or the degree of change,
whether it doubled, tripled, etc.
so if you used twice as much rope, did the outcome
change by a factor of 2 (either double or cut in half);
if you used 3 x, did it change by 3 x etc.

Answer 6

The changes that were affected.

Answer 7

http://www.sciencebuddies.org/mentoring/project_variables.shtml