Visit the National Geographic Kids Earth science and biology-based videos from around the web, curated by National Geographic Kids.
https://www.youtube.com/channel/UCXVCgDuD_QCkI7gTKU7-tpg
From astronomy, biomes and biology to landforms, weather, and zoology, Crash Course Kids covers just about any topic under the sun.
http://www.youtube.com/user/crashcoursekids/videos
Visit the Science Journal for Kids from sciencejorunalforkids.org to find Peer-reviewed articles on environmental science issues curated just for kids.
http://www.sciencejournalforkids.org/
Cells Alive! is an interactive look at cell biology and anatomy. This site features games and activities. there are videos-they are NOT free.
Adventures in Chemistry from the American Chemical Society has games, experiments, videos, and activities for kids from the American Chemical Society.
http://www.acs.org/content/acs/en/education/whatischemistry/adventures-in-chemistry.html
The University of Colorado at Boulder offers the PHET Interactive Simulations from UC Boulder. This site offers submit matter from biology, chemistry, earth science, math, and physics.
Visit the Utah Education Network. select the interactive age group and then go into the site to choose from a huge subject matter list.
https://www.uen.org/k12student/interactives.shtml
PBS Kid's Scigirl encourage young girls to participate in STEM through videos, games, and science club participation.
Visit Newton’s Castle website to learn more about Isaac Newton’s scientific discoveries.
https://web.archive.org/web/20080509070439/http:/www.tqnyc.org/NYC051308/index.htm
Visit the Science Bob Website to learn more about science through interactive science experiments, videos, and instructional lessons.
Visit the Museum of Science + Industry Chicago for hands on science activities, videos that are fun, and engaging.
https://www.msichicago.org/science-at-home/
Visit the Center for Games and Science for games about scientific discoveries, STEM education, cognitive skill training, and individual intelligence.
http://centerforgamescience.org/games/
Visit The Kinetic City Website to view their collection of science experiments, games, activities, and challenges.
To learn more about the solar system, space, and the universe beyond visit NASA’s Star Child website.
https://starchild.gsfc.nasa.gov/docs/StarChild/StarChild.html
Visit the Science Buddies for more information about their Hands-on Science resources.
https://www.sciencebuddies.org/
Visit The Concord Consortium for interactive activities that help students learn more STEM.
Visit NASA Space Place to learn about science through games, videos, and fun hands-on activities.