What's Up (and Down) with KE and PE? - Directions
Using the What's Up (and Down) with KE and PE Concept Builder is quite simple. You will be presented with information regarding a physical situation. You will then be asked to determine whether the kinetic energy (KE) and the potential energy (PE) is increasing, decreasing, or remaining the same. You do so by tapping on buttons to select either increasing, decreasing, or remaining the same. Your chosen answers are highlighted in yellow. Once you have answered both questions, a Check Answer button appears. Once you are satisfied with your answer, tap on the Check Answer button. Your answers will be evaluated and your Progress Report will be updated.
Your goal is to earn "Stars" and to complete one or more levels of difficulty. Stars are earned when you show success on a particular question. Once you show success on all the questions at a particular difficulty level, you will earn the Trophy for that level.