Before turning in a test, it would be best to O rush through the test and panic.
O make sure that some answers are incomplete.
O check how quickly the test was completed.
O check the grammar and double check the work.

On solidification from a melt, the polymer polyethylene forms a semi-crystalline spherulite structure. (i) sketch an individual spherulite and label the amorphous and crystalline regions. (ii) draw a schematic to show the changes in specific volume with temperature during cooling from the melt, comparing it to the theoretical extremes of fully crystalline and fully amorphous (indicate tm and tg)