Separation Techniques

thall.455330
Flashcards by thall.455330, updated more than 1 year ago
thall.455330
Created by thall.455330 over 7 years ago
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year 8 Science Yr 7 Flashcards on Separation Techniques, created by thall.455330 on 11/05/2013.

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Question Answer
Filtration The action or process of filtering something from something else
Sedimentation the natural process in which material (such as stones and sand) is carried to the bottom of a body of water and forms a solid layer.
Evaporation To change from a liquid to a gas
Crystallisation When most liquids freeze they form into crystals
Condensation The form of a gas to a liquid
Chromatography a technique for the separation of a mixture by passing it in solution or suspension through a medium in which the components move at different rates.
Sieving A sifting process eg. if you add to many chocolate chips to a bowl of flour you can separate them through the sifting process
paralax error When you see the level of something at the right angle
what is force a force is a push, pull or twist
what can forces do they can move, slow down, or stop things
magnetic forces are surrounded by an invisible forces field which acts on some substances
what is friction the resistance that one surface or object ancounters when moving over another
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