Separating of mixtures

Which one of the following would you use to separate sand from iron filings?

• a bar magnet
• filter paper
• chromatography paper
• alum

Tags

NGSS.MS-PS2-5

Two or more substances mingled together, but not chemically combined are known as a

• residue
• solution
• distillate
• mixture

Sand and gravel may be separated from each other through using..

• a filter funnel
• a sieve
• an evaporating basin
• a distillation

Which one of the following techniques would best be used to separate soil and water?

• Decanting
• distillation
• Filtration
• Chromatography

How would you separate a mixture of sand and salt? 

• Mix them with water and let the water evaporate
• Mix them with water, pour the mixture through a sieve, then let the water evaporate
• Heat the sand and salt mixture for 5 minutes, then let it cool
• I would not do any of these because none of these options would work

Which mixture can easily be separated by Hand/Tweezers

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Tags

NGSS.5-PS1-3

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

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Tags

NGSS.5-PS1-3

You have a glass of salt and water, what is the best method to separate the salt out of the water?

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Tags

NGSS.MS-PS1-2

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

• True

• False

Tags

NGSS.5-PS1-4

Paper filters are used to separate certain mixtures. Which of these mixtures is most likely to be separated by a paper filter?

• Sugar and salt

• Sand and water

• Sugar and water

• Sand and salt