https://www.khanacademy.org/science/ms-biology/x0c5bb03129646fd6:teacher-resources/x0c5bb03129646fd6:hands-on-biology-activities/a/introduction-to-hands-on-science-activities 2026-04-01T01:10:55.284640697Z Introduction to hands-on science activities Make science come alive in your classroom with Khan Academy's free hands-on activities. article 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 https://www.khanacademy.org/science/ms-biology/x0c5bb03129646fd6:ecosystems-and-biodiversity/x0c5bb03129646fd6:activity-what-evidence-can-scientists-use-to-tell-if-an-ecosystem-is-healthy/a/activity-what-evidence-can-scientists-use-to-tell-if-an-ecosystem-is-healthy 2026-03-18T23:57:50.904575103Z Activity: What evidence can scientists use to tell if an ecosystem is healthy? 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:cells-and-organisms/x0c5bb03129646fd6:activity-why-do-plants-wilt-when-they-don-t-get-enough-water/a/activity-why-do-plants-wilt-when-they-don-t-get-enough-water 2026-03-18T23:57:50.904575103Z Activity: Why do plants wilt when they don't get enough water? 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:inheritance-and-variation/x0c5bb03129646fd6:activity-why-do-puppies-in-the-same-litter-look-different/a/activity-why-do-puppies-in-the-same-litter-look-different 2026-03-27T18:03:33.091426329Z Activity: Why do puppies in the same litter look different? Make science come alive in your classroom with this free hands-on activity aligned to middle school standards. article