For most students in elementary and middle school, the beginning of the year also means an introduction to year-long projects. Science projects for the annual science fair are common long-term assignments that your child may be required to complete several years in a row. If your child is struggling to come up with a great idea to use for her science fair project this year, here are some suggestions. Help her focus her efforts on environmental research with these 10 timely topics. 1. Pollution Pollution is the first potential topic your child could focus on for her big science project. First, she needs to decide if she’s going to highlight water,…