Substance - a type of matter that has particular characteristics, or properties., Property - a characteristic of a substance., Mixture - two or more substances mixed together; these can be separated into individual substances again., Geologist - a person who studies geology., Geology - the science of rocks and minerals., Luster - how light reflects the surface of a substance., Filter - a device for removing solid particles from a liquid or gas., Dissolved - when a substance is absorbed or incorporated into a liquid., Filtration - a process used to separate substances that do not dissolve when mixed with another. Example: bacteria and air are separated by a HEPA filter., Distillation - a process used to separate water from substances that dissolve; in this process the water is boiled and condensed to separate the substance. Examples: water & salt or water & calcium are separated by distillation., Sediments - particles from the soil. Examples: clay (xxx), silt (xxx), and sand (grains found in beaches) are smaller sediments; pebble (small, round rocks) and stone (big rocks) are larger sediments., Settle out - to sink down and stop moving. Example: heavy rocks quickly settle out to the bottom of the river., Running water - water that flows or moves. Example: rivers, streams, creeks., Sort - to organize things in categories., Sorting - a process used to separate solid substances. Example: nature separates sediments according to their size; large sediment settles out before small sediments.,

MSL 7, Mixtures

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