Answer:
so your going to make a physical model on your own but i can help you with your summary paragraph so what you need to do for your summary paragraph is you need to talk about the model you made and what topic you chose form the three.
Explanation:
so what you need to do for this assignment you would need to chose between conservation of mass, atomic theory and thermal energy. you can only choose one because your going to create a drawing, or Two-dimensional (2-D) or three-dimensional (3-D) models or you can make a Simulations.