What are the two properties that all types of matter, including soilds, liquids, and gases, have in common? All types of matter have mass.
What is weight and how does weight differ from mass? Mass is the amount of matter in an object.
How are weight and mass measured? Mass is measured with balance.
How does changing location of an object affect it mass or weight? Moving an object into space or to another planet can change weight. How does the mass of an object is always the same as the total mass of its parts? The mass of an object is always the same.