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!

Build a Rube-Goldberg machine to shoot an arrow to a target. Build a second machine to pour milk into a glass. Discover how energy is transformed in each component of the machines.

• Place various energy-transforming objects in a grid to form a Rube-Goldberg machine.
• Learn about transformation of energy by following the feedbacks of the interaction.
• Trace the energy through the system.

App features:
• Build Rube-Goldberg machines to learn about energy.
• Discover how various equipment transforms energy.
• 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.