Develop a model to describe that light reflecting from objects and entering the eye allows objects to be seen.||Next Generation Science Standards||Grade 4||Physical Science||Waves and their Applications in Technologies for Information Transfer|||Science and Engineering Practices: 1. Asking Questions and Defining Problems 2. Developing and Using Models 3. Planning and Carrying Out Investigations 4. Analyzing and Interpreting Data 5. Using Mathematics and Computational Thinking 6. Constructing Explanations and Designing Solutions 7. Engaging in Argument from Evidence 8. Obtaining, Evaluating, and Communicating Information ||Next Generation Science Standards||Grade 4||Science and Engineering Practices|||Science and Engineering Practices: 1. Asking Questions and Defining Problems 2. Developing and Using Models 3. Planning and Carrying Out Investigations 4. Analyzing and Interpreting Data 5. Using Mathematics and Computational Thinking 6. Constructing Explanations and Designing Solutions 7. Engaging in Argument from Evidence 8. Obtaining, Evaluating, and Communicating Information ||Next Generation Science Standards||Grade 5||Science and Engineering Practices|||Develop & use a model to describe that waves are reflected, absorbed, or transmitted through various materials. [Both light & mechanical waves. ] ||Next Generation Science Standards||Middle School||Physical Science||Waves and their Applications in Technologies for Information Transfer |||Science and Engineering Practices: 1. Asking Questions and Defining Problems 2. Developing and Using Models 3. Planning and Carrying Out Investigations 4. Analyzing and Interpreting Data 5. Using Mathematics and Computational Thinking 6. Constructing Explanations and Designing Solutions 7. Engaging in Argument from Evidence 8. Obtaining, Evaluating, and Communicating Information ||Next Generation Science Standards||Middle School||Science and Engineering Practices