Minds On Physics the App is the Mac version of the popular Minds On Physics Internet Modules found at the publishers website. Affectionately known as MOPs, this physics learning tool delivers a collection of questions that target students misconceptions and misunderstandings. Immediate feedback, opportunities for self-correction, and question-specific help abound. MOPs blends the need for careful reading, logical reasoning, and physics understanding in an effort to produce a confident and able physics student. Part 4 of this six-part series includes 24 missions pertaining to topics associated with electricity. Two of the 15 modules in the Minds On Physics Program are included in this app. These include the Static Electricity and the Electric Circuits modules.