WARM UP: h/w vocab set 1 (terms 1-8), description and images RETEST: Friday, before & after school Date Sessio n # ActivityPage # 9/ How does the organization of the Periodic Table reflect the atomic structure and properties of the elements? 10 9/ Bohr Model & Valence Review11 Unknown Element & Interpreting the Periodic Table11 9/ Periodic Table Review Stations12 9/19,22 8Physical Properties and Changes13 Physical Properties Stations14

How does the organization of the Periodic Table reflect the atomic structure and properties of the elements? Reviewed process for essay completion next week.

TLW identify physical properties and changes by completing a note sheet, identifying physical properties in a station activity, then completing an exit ticket.

8.P.1 Understand the physical properties of matter and changes that occur when matter interacts in an open or closed container 8.P.1.3 Compare physical changes such as size, shape and change of state to chemical changes that are a result of a chemical reaction to include changes in temperature, color, gas or formation of a precipitate.

PHYSICAL PROPERTY Any characteristic of a substance that can be observed without changing the identity of the substance. Every substance has its own set of physical properties.

Physical Properties Used to observe and describe matter or elements. Can be observed or measured without changing the structure of the substance. Use your 5 Senses… appearance, texture, color, odor Scientific Examples… melting point, boiling point, density, solubility, malleability

LUSTER How material reflects light. “Shiny-ness”

DENSITY Mass/volume g/cm 3 How compact matter is

SOLUBILITY A measure of how much of a substance dissolves in a given amount of another substance.

BOILING POINT The temperature at which a liquid changes to a gas.

MELTING POINT The temperature at which a solid changes to a liquid.

SPECIFIC HEAT The amount of heat or energy needed to raise 1 gram of a substance by 1 degree Celsius (1  C).

MAGNETISM The ability to respond to charged iron ore

MALLEABILITY The ability to be hammered, shaped, or rolled into thin sheets. Most metals are malleable.

DUCTILITY v=OkuDM3hYutI The ability to be pulled into wire. Most metals are ductile.

CONDUCTIVTY Electrical Conductivity The ability of a material or substance that allows electrons to flow through it easily. Thermal Conductivity The ability to transfer heat Most metals are good conductors of electricity.

State of matter Solid, liquid or gas

Physical Change A physical change takes place without the element’s chemical structure changing. Physical Changes are: Dissolving Phase change (solid, liquid, gas) Changing shape

What is the difference between melting and dissolving? Melting: ONE substance Involves a change of state (energy change) Dissolving:TWO or more substances creates a solution or mixture particles evenly distributed, they are attracted to particles of the other materials, but don’t bond with them. Ex: salt water

Physical Properties stations Complete mini activity stations Move on to next station when you are told