https://www.khanacademy.org/science/hs-integrated-physics-chemistry-tx 2026-06-30T16:40:46.52584181Z High school integrated physics and chemistry (TX TEKS) Learn science using videos, articles, and TEKS-aligned practice exercises. Review the fundamentals of matter and energy, forces and motion, and energy and electricity, and discover how chemistry and physics connect to explain the natural world. course