a combination of two or more materials that can be easily separated by some physical means.
It is a mixture that contains two or more substances uniformly combined
Homogeneous
True or False: If you combine metal shavings with sand, there is NO way you can separate them.
False
The pure substances are classified in __________ mixtures
homogeneous
This separation method is called...
Filtration
Name the two types of mixtures
Homogeneous and heterogeneous
What is the filtration method used for?
A liquid from a solid
True or False: A mixture must have at least two different materials.
True
True or False: The best way to separate rocks and sand is to use a sieve to sift the sand, this will allow the sand to fall through and the rocks to stay.
True
True or False: You can use your hands or tweezers to separate salt from water.
False
What type of mixture is this?
Heterogeneous
Which method can you use to separate sand and iron filings?
Magnetism
If we dissolve salt in water and heat the water, it becomes a vapour and leaves the salt. This is called
Evaporation
If you had a mixture of rocks and sand and needed to separate them what method would work best?
Sieving
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