Crossword Puzzle Models CrosswordOnline version Models Crossword by Benjamin D Morgan 1 When energy can change from one type of energy to another type of energy. 2 Systems effect other systems. Objects and energy will leave one system and enter another system. 3 helps understand systems better by allowing us to study it 4 A model is a ______________ of the actual system. 5 When energy moves from one system (object) to another system (object) 6 Not a representation of a system. 7 When matter or energy moves inside of a system. 8 What the system is designed to do. 9 Artificial border surrounding a system to study the system 10 An example of a type of model would be a _____________. 6 1 4 8 5 10 9 3