The table below shows models of the 4 phases of matter. Rank each phase in order of increasing density. Phase 1 - Plasma
Phase 2 - Liquid
Phase 3 - Solid
Phase 4 - Gas​

Complete these sentences. if a roller coaster train has a potential energy of 1,500 j and a kinetic energy of 500 j as it starts to travel downhill, its total energy isj. once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 j, and its potential energy decreases to j. when the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isj.