This is a practice activity to help students read and interpret science data. It uses information about mineral hardness with the Mohs Scale and mineral streak color listed in a table. Students must read the information and answer a variety of questions using the data provided.Questions are multiple choice, short answer, or open ended. This is intended to help students with the types of reasoning they will see with new science standards. It will also help prepare them for questions on the ACT Aspire.