The focus is that matter, whether solid, liquid, or gas, is made up of particles ... The activity sheet will serve as the Evaluate component of the 5-E lesson plan. Remind students that they have seen ...

Substances can exist in three states of matter - solid, liquid and gas. All substances are made from particles, and the forces between the particles are different in solids, liquids and gases.

In this lesson: Students build on these ideas by creating a physical ... Remind students that they have seen and used drawings and animations as models of a solid, liquid, and gas. Tell students that ...

The density of solid iron = 7.8 g/cm 3 The density of liquid iron = 6.9 g/cm 3 A substance evaporates when it changes from the liquid state to the gas state. Its particles move freely and are very ...