These are terrific digital checklist trackers to help you keep track of which NGSS performance expectations science standards you've taught and when you've taught them for Kindergarten science, 1st grade science, and 2nd grade science! In this resource, there is one tab per domain at the bottom of the sheet. An instruction tab and an example tab are included.This Google Sheet has the following tabs:- Instructions- Example- Physical Sciences (PS)- Life Sciences (LS)- Earth and Space Sciences (ESS