Separating materials

What method can we use to separate materials of different sizes?

• Filtering

• Sieving

• Evaporating

• Decanting

How would you separate stones, sand and salt?

Which mixture can easily be separated by Hand/Tweezers

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The science teacher accidentally combined metal shavings with sand, what method can be used to separate the mixture?

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If you had a mixture of rocks and sand and needed to separate them what method would work best?

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What is the definition of a Mixture?

• a combination of one material. Example Cheerios.

• a combination of two or more materials that can be easily separated by some physical means.

True or False: A mixture must have at least two different materials.

• True

• False

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

• False

If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?

• Filter

• Screen

• Magnet

• Evaporation

What tool is this?

• sieve

• filter