Separating Mixtures

Which of the following mixtures can be separated with a magnet?

• sand and salt

• sand and iron filings

• sugar and water

• saltwater

All of these can be separated easily EXCEPT -

• nuts, bolts, and screws

• powdered drink mix, sugar and water

• sand and water

• iron filings and sand

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

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All of the following are examples of containers filled with mixtures EXCEPT -

• a jar filled with trail mix

• a glass filled with lemonade

• a bowl of cereal with milk

• a cup of fruit salad

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

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

• True

• False

Tags

NGSS.5-PS1-4

True or False: You can use your hands or tweezers to separate salt from water.

• 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

James wants to seperate the salt from the water in his glass of salt water. What seperation method should James use?

• Magnets

• Evaporation

• Filter

• Using his hands

Nicole wants to dissolve a substance in water. Which substance will dissolve the easiest?

• Rocks

• sugar

• pepper

• sand