Since she started Taft Middle School two years ago, Sam Gold has been looking forward to eighth-grade science with Mrs. Cooper and the coveted position of lab tech. But she hadn't counted on her nemesis Kimberly Newhouse getting in the way, and the missing uranium that could put her whole school on lockdown if she doesn't find it. is a fiction chapter book for upper elementary, middle school readers with high school level science explained in the simplest of terms. Included are you can do at home!