Lancaster ISD Science uses the Science Fusion suite of products offered by HMH- Houghton Mifflin Harcourt.  This resource includes consumable textbooks (Students write in them, tear out pages, etc), and an online compoent called "Think Central."  ThinkCentral includes suggested lab activities, an online textbook, assessment questions, teacher guides etc.   ThinkCentral training date(s) will be provided soon.