As a parent, you must be really concerned about your child's studies and grades. It is important to understand when your child needs some extra help with studies. If things have come to a point when he or she is struggling with science subjects, then may be its time to find a good science tutor. No matter how good school your child studies in, it is not possible for a class teacher to be able to give his/ her attention to each students. And those who are not so quick learners find it tough to grasp the concepts, leading to poor grades in exam.