This bundle contains four resources that will help students learn about the states of matter, the properties, the changes, mixtures, and solutions. The unit covers the following topics: matter, mass, volume, states of matter, solid, liquid, gas, plasma, atom, electron, neutron, proton, phase changes (deposition, freezing, melting, vaporization, condensation, sublimation). physical properties, observable properties (color, size, odor, texture, shape, and taste), measurable properties (length, wei