Like detectives, scientists find clues by making observations, recording their findings, and testing their hypotheses to solve a case. This Spanish title will help first grade students learn all about the history of scientists and the process and tools scientists use to make discoveries! With a hands-on Let's Do Science lab activity that is aligned to the Next Generation Science Standards, this is a perfect tool to develop students' scientific practices and support STEM Education. Including a glossary and index, the helpful text features in this easy-to-read informational text support the development of content-area literacy while vibrant images keep readers engaged from cover to cover. This 6-Pack includes six copies of this Level M title and a lesson plan that specifically supports guided reading instruction.