How to get motivated to study and do homework?

im in 10th grade, i usally come back from home and sit on fb, or the internet, till i have soccer practice, then do my hmwk after in a rush late at night. i dno why but I just dont wanna do it, I haved to write an essay due soon, it just seems boring to me, no matter what i say i still do the same thing every day, help?