Return to Unit List Grade 4 Lesson Review   Type your name:   A property is a characteristic that you can moveobservemattergasSelect your answer about something. Anything that takes up space and has mass is called solidsmatterkilogramsmassSelect your answer. The amount of matter making up an object is its mattermovemasstightlySelect your answer. Mass is measured in units called kilogramsmattergassolidsSelect your answer. Three states of matter are kilogramsmattersolidsgasSelect your answer, liquids, and gases. The particles of matter that make up a solid are packed together solidstightlymoveobserveSelect your answer. In a liquid the particles of matter observemattertightlymoveSelect your answer more than they do in a solid. Particles can move freely in the kilogramsgasmasssolidsSelect your answer state.