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mixtures and separation of mixtures

Total questions: 40

Worksheet time: 27mins

Name
Class
Date
1.

James wants to seperate the salt from the water in his glass of salt water. What seperation method should James use?

a)

Magnets

b)

Evaporation

c)

Filter

d)

Using his hands

2.
What will allow more solute to be dissolved in a solvent.
a)
adding more solute
b)
stiring
c)
cooling solution
d)
heat
3.
Define solubility
a)
how much pressure is in an object has
b)
Surface Area per Temperature
c)
how much solute can dissolve in a solvent
d)
it is a made up word
4.
Water can dissolve many things so it is called the .....
a)
wonderful water
b)
cohesion
c)
liquid
d)
universal solvent
5.

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

a)

Homogeneous

b)

Heterogeneous

6.

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

a)

Homogenous

b)

Heterogeneous

7.

Which method is helpful in determining the harmful components in food? (ex. melamine in food sample)

a)

use of magnet

b)

filtration

c)

distillation

d)

chromatography

8.

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

a)

water and sand will go through the filter

b)

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

c)

both sand and water will get caught in the filter

9.

Which of these materials are attracted to a magnet

a)

iron filings

b)

sand

c)

rocks

d)

wood

10.

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

a)

sieve

b)

filter

11.

What tool is this?

a)

sieve

b)

filter

12.

Which of the following is a method of separating solutions?

a)

hand seperation

b)

filtering

c)

screening

d)

evaporation

13.

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?

a)

Filter

b)

Screen

c)

Magnet

d)

Evaporation

14.

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

a)

Filter

b)

Sieve

c)

Magnet

d)

Evaporation

15.
Sara has a container of sand, iron filings, and beans. Which method should she use if she  wants to remove the iron filings from the mixture?
a)
funnel
b)
magnetic attraction
c)
evaporation
d)
chromatography
16.
Sifting separates smaller particles from larger solid particles by using a(n)__________.
a)
Funnel
b)
Filter paper
c)
Screen
d)
Evaporation dish
17.
Pouring a mixture through a paper which allows only the liquid to pass through is called __________________.
a)
Filtration
b)
Sifting
c)
Chromatography
d)
Evaporation
18.
A way to separate a solid that stays on the surface of a liquid is through the process of __________________.
a)
Chromatography
b)
Filtration
c)
Floatation
d)
Sifting
19.
_______________________ is used to separate and analyze the solutes in a solution.
a)
Evaporation
b)
Chromatography
c)
Flotation
d)
Magnetic Attraction
20.
A way to separate a solid that has dissolved in a liquid solution is through ___________.
a)
Filtration
b)
Sifting
c)
Evaporation
d)
Flotation
21.
Which of these is a characteristic of a solution?
a)
Solutions are always colorless.
b)
Solutions are poisonous.
c)
Solutions cannot be separated
d)
Solutions cannot be distinguished as separate substances
22.
Mixtures can be made from which of the following?
a)
Solids
b)
Liquids
c)
Gasses
d)
All of the above
23.
What is the relationship between mixtures and solutions?
a)
All mixtures are solutions.
b)
Mixtures and solutions are the same.
c)
Mixtures must be solid and solutions must be liquid.
d)
All solutions are mixtures
24.
A combination of two or more substances is generally classified as a(n) _____________.
a)
Mixture
b)
Compound
c)
Element
d)
Solution
25.

I think I can seperate a mixture.

a)

Yes, I got this!

b)

No, make it go away!

26.

You can use water to separate items by density (sink or float).

a)

True

b)

False

27.

Magnets can be used to separate a mixture with no metal parts

a)

True

b)

False

28.

You can use a filter to separate liquids and solids.

a)

True

b)

False

29.

It is easy to take mixtures apart. It is harder to take solutions apart.

a)

True

b)

False

30.

It is impossible to take mixtures apart. It is easy to take solutions apart.

a)

True

b)

False

31.

Which of the following is known as THE UNIVERSAL SOLVENT?

a)

milk

b)

soap

c)

vinegar

d)

water

32.

The liquid that does the dissolving is called the solvent.

Ex: water

a)

True

b)

False

33.

The material that dissolves is called the solvent.

Ex: water

a)

True

b)

False

34.

Salt dissolved in water is an example of a solution.

a)

True

b)

False

35.

Select all the characteristics of solids.

a)

Has mass and takes up space

b)

Takes the shape of the container it is in

c)

Have a definite shape and volume

d)

Pours easily from a glass

36.

Select the following characteristics of liquids.

a)

Have mass and take up space

b)

Do not have a shape

c)

Take the shape of the container they are in

d)

Are always sweet

37.

Select the correct choices that describe gases.

a)

Have mass and take up space

b)

No volume or shape

c)

Can be seen all the time

d)

Will expand to fill any container they are in

38.

Mixtures can combinations of solids, liquids or gases.

a)

True

b)

False

39.

A sidewalk is an example of a mixture because concrete is made from equal amounts of different materials.

a)

True

b)

False

40.

Which of the following is a mixture?


Check ALL that apply

a)

Vegetable Soup

b)

Garden Salad

c)

Tomato

d)

Cereal with Milk

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