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5th Science Unit 2
Physical Properties of Matter
Term | Definition |
---|---|
Boiling point | the temperature at which a substance changes from a liquid to a gas |
Celsius | the international scale of measurement for temperature |
Conductor | a substance or object that allows energy to flow through it easily |
Dissolving | the process by which substances breakdown into small pieces and spread evenly in liquid (water) |
Electrical energy | energy that is absorbed or delivered by an electric circuit |
Insulator | a substance or object that does not allow energy to flow through it easily |
Magnetism | a force of attraction that causes a magnetic material to move |
Mass | the amount of matter in something |
Matter | anything that has mass and takes up space |
Melting / freezing point | the temperature at which a substance changes from a liquid to a solid or a solid to a liquid by the loss or addition of heat |
Mixture | a combination of two or more substances that can be easily separated in some physical way |
Physical properties | properties of matter that can be observed, measured, or changed without changing the matter itself |
Properties | characteristics used to identify matter |
Relative density | floating or sinking when compared to water |
Solubility | the ability of a substance to dissolve in another substance, such as sugar dissolving in water |
Solution | a type of mixture in which the particles of one or more substances are uniformly dispersed (spread out) throughout another substance |
Temperature | a way of measuring how hot or cold something is |
Thermal / heat energy | energy related to the temperature of an object or a substance |
Volume | the amount of space that a substance or object takes up |