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Matter: Mixtures and Pure Substances

Total questions: 25

Worksheet time: 14mins

Name
Class
Date
1.

[check all that apply] Pure substances include:

a)

Elements

b)

Homogeneous Mixtures

c)

Compounds

d)

Heterogeneous Mixtures

2.

An element is?

a)

Chemically combined

b)

Pure substances that can be broken down

c)

Pure substances that cannot be broken down into simpler substances

d)

One or more elements chemically combined.

3.

The properties of a compound are different from the elements that make them up.

a)

True

b)

False

4.

Oxygen is a

a)

Element

b)

Compound

5.

Water (H2O) is a

a)

Element

b)

Compound

6.

Salt (NaCl) is

a)

Mixture

b)

Compound

7.

Saltwater is

a)

Mixture

b)

Compound

8.

Chicken noodle soup is

a)

Homogeneous mixture

b)

Heterogeneous mixture

9.
What is a mixture?
a)
elements chemically combined
b)
a combination of different things
c)
it is found on the Periodic Table 
d)
it is made of chemical
10.
What does it mean if a mixture is heterogeneous?
a)
you can see the different parts
b)
cannot tell one part from another
c)
very well blended
d)
made of elements
11.
What does it mean if a mixture is homogeneous?
a)
you can see the different parts
b)
cannot tell one part from another
c)
chunks of particles
d)
made of elements
12.
What type of mixture is this?
a)
heterogeneous 
b)
homogeneous
13.
A substance that is made up of only one kind of atom is a(an)
a)
compound
b)
homogeneous mixture
c)
element
d)
solution
14.
Two classifications of a pure substance are
a)
homogeneous and heterogeneous
b)
atoms and elements
c)
elements and compounds
d)
solutions and colloids
15.

A pure substance that cannot be broken down into any other substance.

a)

Elements

b)

Compounds

c)

Mixtures

16.

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

17.
Two or more substances mingled together, but not chemically combined are known as a
a)
residue
b)
solution
c)
distillate
d)
mixture
18.

TRUE or FALSE: The particles in solids move around a lot and spread out.

a)

TRUE

b)

FALSE

19.

TRUE or FALSE: Liquids have a fixed volume but not a fixed shape.

a)

TRUE

b)

FALSE

20.

TRUE or FALSE: Gases have the least kinetic energy out all 3 states of matter.

a)

TRUE

b)

FALSE

21.

Phase change from solid to gas is called:

a)

Freezing

b)

Condensation

c)

Vaporization

d)

Sublimation

22.

Phase change from gas to liquid is called:

a)

Melting

b)

Freezing

c)

Deposition

d)

Condensation

23.

Which of the following statements is true about solids?

a)

Particles do not move around much, but vibrate

b)

Particles have a lot of free space and spread out

c)

Solids have fixed shape but not volume.

d)

Particles are less closely packed than gas.

24.

Look at the picture. Which state of matter is in beaker C?

a)

Solid

b)

Liquid

c)

Gas

d)

Blue thingys

25.

Look at the picture. Which state of matter is in beaker A?

a)

Solid

b)

Liquid

c)

Gas

d)

Blue thingys

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