I believe you were asking for the term that best matches with the description given. Typically the conclusion summarizes your experiment in a 1 to 2 paragraph format.
Using charles law v1/t1=v2/t2 v1=1l v2=1.1l t2=255+273=528 t1=? 1/t1=1.1/528 cross multiply 1.1t1=528 divide both sides by 1.1 t1=528/1.1 t1=480k or 207celcius