A fireworks designer is planning a red, white, and blue themed finale for her fireworks display. She is also planning a fountain effect. She describes the chemicals that she will need and how each will produce the desired effect.

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.