Free Printable Separating mixtures

Worksheets

Separating mixtures

Total questions: 25

Worksheet time: 11mins

Name

Class

Date

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

Filter

Sieve

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 of the following is a method of separating a a sugar water solution?

hand seperation

filtering

screening

evaporation

What tool is this?

sieve

filter

This type of paper allows liquid to pass through it. What tool is it?

sieve

filter

Which of these materials are attracted to a magnet

iron filings

sand

rocks

wood

If I pour sand and water onto a filter, what will happen?

water and sand will go through the filter

sand will get caught in the filter, water will pass through

both sand and water will get caught in the filter

Type of mixture that has the SAME COMPOSITION in every part.

Homogenous

Heterogeneous

Type of mixture that DOESN'T HAVE the same composition in every part.

Homogeneous

Heterogeneous

10.

Combination of two or more pure substances that are not chemically combined

compound

atom

mixture

element

11.

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

12.

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

13.

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

14.

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

crystallization

distillation

Filtration

Chromatography

15.

How to separate pebbles and water?

Decantation

Filtration

Evaporation

Sieving

16.

A pure substance that cannot be broken down into other substances by chemical or physical means.

compound

atom

mixture

element

17.

Which of these is an element?

Salt (NaCl)

Water (H20)

Oxygen (O)

Carbon Dioxide (CO2)

18.

Which of these is a compound?

Aluminium (Al)

Carbon Dioxide (CO2)

Nitrogen (N)

Sand

19.

Air is:

An element

A compound

A mixture

None of these

20.

The picture shown here is what type of mixture?

homogeneous

hetergeneous

pure substance

element

21.

_________________ substances can dissolve in a liquid.

Insoluble

Soluble

22.

Which substances are insoluble in water? (choose TWO answers)

sand

salt

sugar

flour

23.

In a ______________, one substance is dissolved in another substance.

solution

suspension

colloid

24.

In a chocolate milkshake, what is the solvent?

Chocolate powder

Chocolate syrup

Milk

Sugar

25.

In homemade lemonade, what is the solute?

Water

Sugar and Water

Lemon and Water

Sugar and Lemon

Reset

Separating mixtures

Total questions: 25

Worksheet time: 11mins

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