Build real-world temperature sense while learning how heating and cooling change matter. This pack mixes sorting, matching, writing, and simple investigations so young learners stay engaged and successful—whether in whole group, centers, or independent work. Printer-friendly black & white pages support easy photocopying and color-by-code options. Teacher-friendly: choose write-only pages (no cutting) or pages with cut/sort/match; set your own color/pattern code for hot/warm/cool/cold; and u