Which mixture can easily be separated by Hand/Tweezers

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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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NGSS.5-PS1-3

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

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NGSS.3-5-ETS1-2

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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NGSS.3-5-ETS1-2

What methods have we discussed, that we could use to separate mixtures? Check all that apply, there will be more than one answer.

• Handpicking/Tweezers

• Sieving or Sifting

• Evaporation

• Magnetic Separation-

• None of the above.

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NGSS.5-PS1-3

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.

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NGSS.5-PS1-4

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

• True

• False

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NGSS.5-PS1-4

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

• True

• False

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NGSS.5-PS1-4

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

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NGSS.5-PS1-3

True or False: If you combine metal shavings with sand, there is NO way you can separate them.

• True

• False

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NGSS.5-PS1-3

NGSS.5-PS1-4