https://www.khanacademy.org/science/science-activities/x36e94577fc10b360:introduction-to-hands-on-science-activities-unit 2026-04-01T01:10:55.284640697Z Introduction to hands-on science activities Hands-on science activities allow learners to DO science—by conducting investigations, developing models, analyzing data, and so much more. Each activity is includes a student and teacher guide, uses accessible materials, and is aligned to grade level standards. unit