Methods of Separating Mixtures

What method of separation would work best to separate water and rubber pellets?

• filtration

• sifting

• evaporation

• magnetic attraction

What method of separation would work best to separate sugar and rock pebbles?

• filtration

• sifting

• evaporation

• magnetic attraction

What method of separation would work best to separate water and salt?

• filtration

• sifting

• evaporation

• magnetic attraction

Which method would be the best to separate styrofoam mixed with small stones?

• chromatography

• filtration

• flotation

• magnetic attraction

Which of of these mixtures could be separated by filtration?

• sugar and milk

• sand and water

• milk and water

• sugar and water

I used evaporation to separate a salt water mixture. What could I use to measure the salt after separation?

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What mixture could I use this type of tool to separate?

• oil and water

• sugar and sand

• salt and corn flour

• pebbles and baby powder

Which of the following would a magnetic attract (move)? Choose all that apply

• an eraser

• a screw

• a paperclip

• a plastic button

Tags

NGSS.3-PS2-3

You want to see what colors are all present in a solution. What method would you use?

• chromatography

• flotation

• mangetism

• sifting

Tags

NGSS.MS-PS1-2

You are using a sieve and pouring a flour and sugar mixture through it. Both substances pass through. Why is this?

• They are the same size.

• They have different masses.

• This separates them easily.

• They are the same color.