If You Are Smarter Than A 5th Grader, Are You Smarter On An Eight Grader?

A famous quiz show in United States of Fox Broadcasting Company this "Are You Smarter Than A 5th Grader." But I have this quiz from a site but not with a 5th grader but with an 8th grader. So, the challenge is on. Are you smarter than an 8th grader? Check your score after the game and your country also how they fare to this challenge.