How quickly learn chemistry for 8th grade ?

Hello!Please tell me how to quickly learn all the definitions, rules and formulas in chemistry, passed at the school for Grade 8 ?Just the teacher promised to put in 5 year, if offered anything ... I was not sure of the best, but worth a try .How ?

What word, and why you need to choose from the four standing in brackets ?

To solve this problem, you must first find a pattern in the list :

All Formula 11 class in mathematics, where to get?

All formulas in mathematics in grade 11.

Write or show photos where all the necessary formulas for grade 11 math.