Science exam tomorrow help??????? Watch

Hey guys,
Tomorrow i have a chemistry science exam, im 13 by the way. the problem is im worried that im going to fail because i hate science and therefore im doing last minute revision. Could anyone please help me revise here are the topics:
carbon cycle
use of fossil fuels
diamond as an alletope of carbon
sedimentary rocks and fossil/crude oil formation
solubility temperature
seperation ofmixtures
metals(aluminium and zinc)
extraction-electrolysis
alcohol fermentation
burning fossil fuels
crude oil as a non renewable fuel