Separating Mixtures and Solutions

To separate a mixture of salt and water what separation tool/method is used?

• Filter
• Screen
• Magnet
• Evaporation

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

Which mixture could you separate by adding water and then pouring through a coffee filter?

• sand and salt, because the salt would dissolve and the sand would not
• baking soda and salt, because they both dissolve
• sugar and salt, because they both dissolve
• iron fillings and sand, because neither one dissolves

If I wanted to separate sand and rocks, what would be the best tool to do so?

• a sifter
• a thermometer
• a coffee filter
• a ruler

Tags

NGSS.MS-ETS1-2

If you wanted to separate salt from a lot of water, what do you think would be the best way to do it?

• Boil the water so that only the salt remains
• add food dye to the solution so you can see where the water is
• Use a magnet to get the salt out
• Use a sifter or coffee filter to filter it out

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Is trail mix a mixture or a solution?

• Mixture
• Solution

Which of the following is a method of separating solutions?

• hand seperation
• filtering
• screening
• evaporation 

A student pours a mixture of sand and saltwater through a filter into a beaker. What will the student find in the filter?

• salt and water
• salt
• sand and salt
• sand

Tags

NGSS.MS-PS1-2

Which process can be used to separate sand and water?

• filtration
• condensation
• magnetism
• sublimation

To separate salt and water, we ________________the mixture.

• condense
• filter
• evaporate
• drink

Tags

NGSS.MS-PS1-4