1. Atom Particles that make up matter

2. Texture What an object feels like

3. Physical Properties Characteristics that describe matter

4. Magnet A tool attracted to objects containing iron

5. Relative Density Objects that are more dense sink in water; objects that are less dense float in water

6. Solubility Whether something dissolves in water or not

7. Conductor Material that allows energy (either thermal or electrical)to flow through

8. Insulator Material that does not allow energy (either thermal or electrical)to flow through

9. Physical State Whether a substance is a solid, liquid, or gas

10. Mass Amount of matter in an object; use a triple beam balance

11. Volume Amount of space an object occupies

12. Thermal Energy Similar to heat; causes objects to change temperature