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Physical Properties
8.P.1.1
| Question | Answer |
|---|---|
| Physical properties | characteristics that can be observed or measured WITHOUT changing the composition or identity of the substance |
| Texture | the feel of an object |
| Temperature | the amount of thermal energy a substance has Measured with a thermometer |
| Luster | the quality of reflecting light from a surface or how shiny an object is |
| Dull | the opposite of luster |
| Color | the characteristic of substance with respect to light reflected by the substance |
| Mass | the amount of matter in an object |
| Weight | the force of an object due to gravity |
| Volume | The amount of space an object takes up |
| Melting, Freezing, Boiling Points | The exact temperature a substance begins to freeze, melt, or boil - It is different for every substance |
| States of Matter | solid, liquid, gas and plasma |
| Density | How tightly packed together the molecules are in a given space |
| Density Formula | mass divided by volume (D = m/v) |
| Ductile | describes a material that can be pulled out into a long wire. |
| Malleable | The ability to be hammered & shaped - Think "mallet" or hammer |
| Solubility | the ability of one substance to dissolve into another substance |
| Insoluble | when a substance will NOT dissolve in to another substance |
| Flexible | capable of bending without breaking |
| Brittle | Easily broken; not flexible |
| Conductivity | the ability to conduct (transfer) heat or electricity |
| Magnetic | when an substance has a magnetic attraction |
| Specific Heat | the amount of heat or energy required to increase the temperature of 1g of a substance by 1℃. |
| Condensation | State/Phase of matter change from a gas to a liquid |
| Vaporization | State/Phase of matter change from a liquid to a gas |
| Fusion (melting) | State/Phase of matter change from a solid to a liquid |
| Solidification (freezing) | State/Phase of matter change from a liquid to a solid |
| Deposition | State/Phase of matter change from a gas to a solid |
| Sublimation | State/Phase of matter change from a solid to a gas without becoming a liquid |