Little SCIENCE Thinkers is a complete curriculum specifically for 2nd Grade. It's everything you need to introduce, teach, practice, and assess your students. It is cross-referenced and aligned with the Next Generation Science Standards (NGSS) and also addresses many of the main topics found in US state Science Standards for 2nd grade. Click here for the TEKS alignment. This curriculum currently contains 4 unit plans, with 60 lessons. Most lessons take 1 class period to complete, however there