Watch Expedition 55/56 flight engineer Ricky Arnold in this two-part episode as he explains spacewalk safety and training in addition to the parts of the spacesuit that protects astronauts outside the space station.

Code.org® is a nonprofit dedicated to expanding access to computer science in schools and increasing participation by women and underrepresented youth. Their vision is that every student in every school has the opportunity to learn computer science, just like biology, chemistry or algebra.

Students type real Python and JavaScript while playing games that encourage trial-and-error, critical thinking, and creativity.

LightBot is a puzzle game based on coding; it secretly teaches you programming logic as you play!

How It Works’ expert explanations, dynamic cutaways and breathtaking images help its eager audience to understand and explore the wonders of the modern world.

Learn to code like never before!

The downloadable pdf from the Excellence Awards in Science & Engineering has a wealth of resources, including content from: NSF, Dept of Education, NSTC, Army, Smithsonian Institute, USDA, Dept of Energy, EPA, NASA, NOAA and more.

FREE COMPUTER SCIENCE ACTIVITIES FOR STUDENTS, EDUCATORS, AND PARENTS

Gameblox is a game editor that uses a blocks based programming language to allow anyone to make games.

Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom.

STEM Pro Live is a free, live, monthly broadcast of a STEM professional sharing from his or her workplace.

Think Like a Coder is a 10-episode series that will challenge viewers with programming puzzles as the main characters— a girl and her robot companion— attempt to save a world that has been plunged into turmoil.