Launch Interactive Share to Google Classroom Information Standards To understand sound, you first need to understand matter. Everything is made up of matter. Learn more in the simulation above. Standards 5-PS1-1. Develop a model to describe that matter is made of particles too small to be seen. Grades: 3 4 5 6 7 8 9 10 11 12 Subjects: SciencePhysical ScienceMatterSound & Light Collection: InteractivesActivitiesSimulations Series: NASA Science Simulations