A free Grade 3 course from the PGAMO Free K–12 School, built on Core Knowledge Science. Units: Investigating Forces, Life Cycles, Traits, and Variations, Habitats and Change, Weather and Climate, Human Senses and Movement.

Every lesson has the chapter’s pages to read right on screen, the Big Question, words to know, talk-it-over questions with answers for the teacher, and activity pages to print. Each unit ends with a short quiz, and every unit has a printable study pack for learning offline.

This course is based on an original work of the Core Knowledge® Foundation (www.coreknowledge.org) made available through licensing under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. This does not in any way imply that the Core Knowledge Foundation endorses this work. PGAMO added the lesson pages, study packs and quizzes layout, and shares them under the same license. CC BY-NC-SA 4.0 · Core Knowledge Science. Free for everyone — this course may never be sold.