價格：免費
檔案大小：16.9 MB
版本需求：需要 iOS 9.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
While Vampire Power Activity as a standalone app.
Measure consumption of various appliances to see if energy is being wasted. Turn off or unplug wasteful appliances!
This app was created by Numedeon, Inc. in collaboration with the University of North Texas with funding from the National Science Foundation as a part of the project "Going Green! Middle Schoolers Out to Save the World."
支援平台：iPhone, iPad