Take control of what and how you learn with engaging and highly interactive activities. It’s all about doing―experiencing science, not just reading about it.

Investigate photosynthesis in greater detail. Review the experiment of van Helmont, and repeat the experiments of Joseph Priestley and Jan Ingenhousz.

• Determine how a candle, a plant, and a mouse can impact each other.
• Discover what is consumed by animals and replenished by plants.
• Observe the effect of light on plants’ ability to restore oxygen to the air.
• Understand why both animals and plants require oxygen.

App features:
• Take charge! Explore biology in an engaging and interactive environment.
• Practice what you learn and receive helpful feedback.
• Investigate challenging topics with step-by-step support.
• Demonstrate what you learn by taking quizzes.
• Want more? Check out the AC library in the App Store.