https://www.khanacademy.org/science/grade-7-science-tx 2026-07-03T03:00:41.306580382Z 7th grade science (TX TEKS) Learn science using videos, articles, and TEKS-aligned practice exercises. Explore matter and energy, motion, Earth and space systems, plate tectonics, water and ecosystems, and how organisms survive, reproduce, and adapt, and discover how all branches of science connect to explain the natural world. course