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Science - Unit 1 - Topic 3
Separating Earth’s Mixtures
7
Science
8th Grade
11/19/2017

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Cards

Term
What should you know and take advantage of to separate a mixture?
Definition
You should know the properties in the mixture
Term
What methods can you use to separate a mixture. Explain each
Definition
You can you the desert tent method, the distillation method, fractional distillation. You can also use a filter, magnets, tweezers, chemicals can even take one part of the mixture out.
Term
What is desalinating water and how can you do it?
Definition
To desalinate is to remove salt from something. You can desalinate water by evaporating the water and then collect it. It will leave the salt where the salt water used to be.
Term
How do we get petroleum and what is it used for
Definition
Crude petroleum is taken out of the ground. It is prossed to be be used for burning, vehicle fuel, and many other kinds of work
Term
How do we seperate different types of petroleum
Definition
You can use fractional distillation which turns the petroleum into a vapour that condenses at different temperatures into the different levels.
Term
How can we remove a valuble mineral from ore
Definition
The ore is crushed then a chemical disolves the mineral. Theh dissolved parts pass through a filter and zinc is added to release the valuble mineral and it sinks to the bottom.
Term
Distillatation
Definition
Purifying a liqud through heating and cooling.
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