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Worksheets

Grade 6 Chemistry

Total questions: 28

Worksheet time: 16mins

Name
Class
Date
1.
Which one of the following would you use to separate sand from iron filings?
a)
a bar magnet
b)
filter paper
c)
chromatography paper
d)
alum
2.
Separating mixtures based on boiling points.
a)
Desalination
b)
Distillation
c)
Decantation
d)
Condensation
3.
Distillation uses two changes of state. what are they?
a)
Evaporation and condensation
b)
Evaporation and freezing
c)
melting and boiling
d)
sublimation and condensation
4.

This diagram represents...

a)

An element

b)

A molecule

c)

A compound

d)

A mixture of elements and compounds

5.
a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds
6.

A method of separation in which a machine spins at high speeds to separate substance by their densities.

a)

Distillation

b)

Centrifugation

c)

Chromatography

d)

Magnetism

7.

A method to separate metals from nonmetals in a mixture.

a)

Filtration

b)

Distillation

c)

Magnetism

d)

Centrifugation

8.

The method of separating a solid from a liquid by turning the liquid into a gas.

a)

Evaporation

b)

Filtration

c)

Centrifugation

d)

Chromatography

9.

Which process would be the fastest way to separate soil from water?

a)

Filtration

b)

Centrifugation

c)

Magnetism

d)

Chromatography

10.

Which process would be the most effective way to separate sand and iron filings?

a)

Filtration

b)

Centrifugation

c)

Chromatography

d)

Magnetism

11.

Paint drying on the wall would be an example of

a)

Distillation

b)

Evaporation

c)

Centrifugation

d)

Magnetism

12.

Two or more substances physically mixed, but not chemically combined.

a)

Mixture

b)

Element

c)

Compound

d)

Pure Substance

13.

A mixture where you can see the individual parts. It DOES NOT have a uniform composition.

a)

Homogeneous

b)

Heterogeneous

14.

A mixture that has a uniform composition and appearance.

a)

Homogenous

b)

Heterogeneous

15.

Trail mix would be an example of a

a)

Homogeneous Mixture

b)

Heterogeneous Mixture

16.

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

17.

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

a)

Filter

b)

Sieve

c)

Magnet

d)

Evaporation

18.

What tool is this?

a)

sieve

b)

filter

19.

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

a)

sieve

b)

filter

20.

Which of these materials are attracted to a magnet

a)

iron filings

b)

sand

c)

rocks

d)

wood

21.

We can use decanting to separate mud and water.

a)

True

b)

False

22.
To separate a mixture of soil and water what separation method is used?
a)
Filtration
b)
Distillation
c)
Chromatography
d)
Evaporation
23.

What is sublimation?

a)

Transition of a substance directly from gas to solid

b)

Transition of a substance directly from liquid to gas

c)

Transition of a substance directly from solid to gas state

d)

Transition of a substance directly from solid to liquid

24.

This involves using a strainer or a big screen to separate the components of solid mixtures.

a)

chromatography

b)

distillation

c)

sieving

d)

physical manipulation

25.

This method is used to separate metals from non metals.

a)

use of magnet

b)

physical manipulation

c)

sieving

d)

chromatography

26.

This method is a technique used in separating a less-dense substance from a denser one.

a)

decantation

b)

evaporation

c)

distillation

d)

filtration

27.

This method is used in separating soluble solid from a liquid such as salt from water.

a)

evaporation

b)

distillation

c)

decantation

d)

filtration

28.

This method is utilized in industries like junkyards to remove metal scraps from other materials.

a)

chromatography

b)

physical manipulation

c)

use of magnet

d)

distillation