40 lessons covering our solar system, stars, galaxies, and space exploration
A self-paced course of 41 lessons covering cells, biomolecules, diversity of life, human physiology, and microbiology
A self-paced course of 45 lessons covering heredity, genetics, and evolution
A self-paced course with 45 lessons covering atoms and molecules, chemical reactions, and the chemistry of living things
A self-paced course of 46 lessons covering the atmosphere, lithosphere, hydrosphere, and climate change
Live course in Spring 2026 - In this 15-week middle school course, students explore the dynamic Earth and the forces that shape our planet. Through hands-on investigations, engaging visuals, and creative projects, students will study Earth's layers, plate tectonics, volcanoes, earthquakes, rocks and minerals, weathering and erosion, fossils, and the water and carbon cycles. The course also highlights Earth's systems and how they interact (geosphere, hydrosphere, atmosphere, and biosphere) while encouraging students to think critically about Earth's past, present, and future.
A self-paced course of 40 lessons covering kinematics, the laws of motion, work, and energy
A course of 39 lessons covering thermodynamics, electromagnetism, fluids, and waves.