https://www.khanacademy.org/science/ms-physics/x1baed5db7c1bb50b:teacher-resources/x1baed5db7c1bb50b:hands-on-physics-activities/a/activity-how-can-a-skydiver-fall-safely 2026-02-27T18:00:31.886851552Z Activity: How can a skydiver fall safely? Make science come alive in your classroom with this free hands-on activity aligned to middle school standards. article https://www.khanacademy.org/science/ms-physics/x1baed5db7c1bb50b:waves/x1baed5db7c1bb50b:activity-how-can-light-interactions-be-used-to-create-art/a/activity-how-can-light-interactions-be-used-to-create-art 2026-02-27T18:00:31.886851552Z Activity: How can light interactions be used to create art? Make science come alive in your classroom with this free hands-on activity aligned to middle school standards. article https://www.khanacademy.org/science/teacher-resources-ngss-science-domain/x2811526c37de0eab:hands-on-science-activities/x2811526c37de0eab:middle-school-earth-and-space-science-activities/a/activity-how-and-why-is-earth-s-climate-changing 2026-02-27T18:00:31.886851552Z Activity: How and why is Earth's climate changing? Make science come alive in your classroom with this free hands-on activity aligned to middle school standards. article https://www.khanacademy.org/science/ms-biology/x0c5bb03129646fd6:teacher-resources/x0c5bb03129646fd6:hands-on-biology-activities/a/activity-what-happens-when-a-food-web-is-disturbed 2026-02-27T17:50:36.702607024Z Activity: What happens when a food web is disturbed? Make science come alive in your classroom with this free hands-on activity aligned to middle school standards. article