Go beyond the standard textbooks and take learning to the next level. Take part in scientific explorations, interactive exercises—and do it all right there on your device!

Explore how objects move in space. Lead an astronaut back to safety using rocket equipment. Discover why rockets need propellants.

• Fight against time: Have the astronaut back in the shuttle before their oxygen runs out.
• Use thrust to start moving.
• Use reverse thrust to stop moving in that direction.
• Lead the astronaut to safety using the rockets.

App features:
• Explore action and reaction as you lead an astronaut back to safety.
• Discover why you need reverse thrust to stop.
• Watch animations that explain the concepts.
• Test your knowledge with interactive tasks and quizzes.
• Want more? Check out the AC library in the App Store.