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Physical Properties
Science Test
| Question | Answer |
|---|---|
| Electrical Conductivity | the ability of matter to conduct, or carry a long, a electric current |
| Thermal Conductivity | the ability of a material to conduct thermal energy |
| Physical Property | a characteristic of matter that you can observe or measure without changing the identity of the matter |
| Solid | the particles that make up a solid are very close together and vibrate back and forth |
| Liquid | the particles that make up a liquid more energy- thus more motion- than the particles in a solid. Each particle still touches the particle around it, but they don't slide past each other |
| Gass | the particles that make up a gass move very quickly, spread out, and fill their container |
| Mass | the amount of matter in a object |
| Density | the mass per unit volume of a substance |
| Solubility | the ability of one substance to dissolve in another |
| Mass vs. Weight | weight changes with location but mass doesn't |
| Volume | the amount of space something takes up (mL often used) |
| Property: Mass | -the amount of matter in a object -size-dependent -typically is not used to seperate a mixture |
| Property: Conductivity | -the ability of matter to conduct, or carry along, electricity or heat -size independent -typically is not used to seperate a mixture |
| Property: Volume | -the amount of spare something occupies -size -dependent -volume could be used to seperate mixtures whose parts can be seperated by filtration |
| Property: Boiling/Melting Points | -the tempature at which a material changes state -size-independent -each part of a mixture will boil or melt at a different tempature |
| Property: State of Matter | -whether something is a solid,liquid,or gas -size-independent -a liquid can be poured of a solid |
| Property: Density | -the amount of mass per unit of volume -size-independent -objects with greater density sink in objects with less density |
| Property: Solubility | -the ability of one substance to solve in another -size independent -dissolve a soluble material to seperate it from a material with less solubility |
| Property: Magnetism | -attractive force for some metals, especially iron -size-independent -attract iron from a mixture of materials |
| Bonds | keeps atoms together |
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