Ductility-the ability to be stretched into wires- a property of metals (P.P)

Demo #1: Tearing Paper

•Does the paper change its chemistry (chemicalidentity) and form a new substance with differentproperties?

•Is the ability to be torn a physical or chemicalproperty?

–Physical Property: Property that can betested/observed without changing the chemicalidentity of the substance; can be undone

•Is tearing a physical change or a chemicalchange?

Demo #2: Burning Paper

•Does the paper change its chemistry (chemicalidentity) and form a new substance with differentproperties?

•Is the ability to burn a physical or chemicalproperty?

–Chemical Property: A property that can only betested/observed by changing the chemical identity ofa substance; hard to undo

•Is burning a physical change or a chemicalchange?

Ability to Burn (Flammability)-Ability of a substance to support combustion (burn) (__.P)

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Ability to Corrode- Ability of a substance to breakdown and form a new material when reacting with itsenvironment—water, acid, salt, etc. (similar to rusting)(__.P.)

Ability to Rust- Ability of a metal (like iron) tobond with oxygen (from air or water) to form a newsubstance (__.P)

Adhesion- tendency of particles of differentsubstances to attract to one another (__.P)

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Boiling/Condensation Point-Temperature at which a liquid turns to gas ANDTemperature at which a gas turns to a liquid (__.P)

Brittleness- The tendency of a solid to break orshatter (__.P)

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Cohesion- The tendency of particles of the samesubstance to attract one another (__.P)

Density- Mass per unit volume; the mass ofa known volume of matter; compactness (__.P)

Ductility- The ability to be stretched into wire—this is a property of metals (__.P)

Elasticity- The tendency of a solid substance toreturn to its original form after being stretched (__.P)

Electrical Conductivity- The ability ofelectricity to move through a material. (__.P)

Electrical Conductivity--lightning blast

Hardness- Ability of solids to resist beingscratched . (__.P)

Luster- The “shininess” of a substance. The ability ofa substance to reflect light. (__.P)

istockphoto_991085-shiny-metal-texture-2

Magnetism- The ability to form a magnetic fieldand attract other metals (__.P)

Malleability- The ability to be pounded into flatsheets—this is a property of metals (__.P)

Mass- The amount of matter that something is madeof. (__.P)

Melting/Freezing point- Temperature at which a solid turns to liquid ANDTemperature at which a liquid turns to solid (__.P)

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http://www.youtube.com/watch?v=QaJ_Yxj9bG8

http://www.youtube.com/watch?v=aRwlrFimnZk

Solubility- The ability to dissolve in anothersubstance—how well the substance dissolves.(__.P)

State/Phase of Matter- The physical formin which a substance exists, such as a solid, liquid, gas, orplasma. (__.P)

Plasma

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Surface Tension- Tendency of liquid particles tostick together, forming a “skin” (__.P)

Surface Tension Cohesion Adhesion--Water Bug

Tensile Strength- a measure of how farsomething will stretch or bend before it cracks orbreaks (__.P)

Texture- The smoothness or roughness of asubstance (__.P)

Thermal Conductivity- The ability totransfer thermal energy (heat) from one area to another(__.P)

Viscosity- A liquid’s resistance to flow (__.P)

Volume- The amount of space an object occupies(__.P)

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