價格：免費
檔案大小：4.5 MB
版本需求：需要 iOS 8.0 或以上版本。與 iPad 相容。
支援語言：英語
Study the how gravity affects free fall in an interactive environment. Complete experiments, answer questions, make predictions, and take quizzes—learn science in a whole new way.
Explore the kinetic energy of objects in free fall. Discover the factors that affect kinetic energy of an object.
• Choose a ball to drop. Each ball has a different mass.
• Choose a height to drop the ball from.
• Drop the ball on a sand tray.
• Measure the ball’s speed.
• Measure the depth of the ball in the sand.
• Record all your observations in an experiment report.
App features:
• Explore the factors affecting kinetic energy.
• Learn about the relation between mass, speed and 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.
支援平台：iPad