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27 Week Review #2
5.5A,B,&C-Matter and Energy
Term | Definition |
---|---|
Mixture | A combination of 2 or more substances. |
Physical Property | A characteristic that can be measured or observed without changing the substance. |
Solid | Has a specific volume and shape and the particles are held tightly together. |
Solubility | The property of completely mixing together (dissolving). |
Gas | Has no specific volume or shape and the particles move freely. |
Mass | The amount of matter in an object measured in grams. |
Triple Beam Balance (Balance Scale) | Instrument for measuring mass. |
Liquid | Has specific volume but not a specific shape. |
Density | The amount of mass (or matter) compacted into a certain volume; whether an object will sink or float. |
Filter, Strainer, or Sieve | A tool used to separate smaller particles from larger particles, such as separating sand and water. |
Conductor | Any material that easily allows heat or electricity to move through it. |
Thermometer | Instrument for measuring temperature. |
Boiling Point of Water | 100 degrees Celsius. |
Insulator | Any material that stops or slows the movement of electricity or heat. |
Solution | A mixture of 2 or more substances that are evenly distributed. |
Magnet | Attracts iron or steel and can be used to separate a mixture of sand and iron filings. |
Freezing/Melting Point of Water | 0 degrees Celsius. |