wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Y7 Chemistry: Particles and Mixturess

Total questions: 130

Worksheet time: 2hrs 33mins

Name
Class
Date
1.

When something goes from gas to liquid, it is called...

a)

Evaporation

b)

Condensation

c)

Deposition

d)

Freezing

2.

Something that goes from liquid to gas is...

a)

Evaporation

b)

Melting

c)

Freezing

d)

Sublimation

3.

Which of the following sentences are true about solids?

a)

Solids are rigid, have a fixed shape but not a fixed volume

b)

Solids are not rigid, have a fixed shape and no fixed volume

c)

Solids are rigid, have a fixed shape and a fixed volume

4.
Number 2 represents a ________
a)
solid
b)
liquid
c)
gas
d)
plasma
5.
Particles in a _____________ are tightly packed together.
a)
solid
b)
liquid
c)
gas
d)
plasma
6.
Particles in a _________ take the shape of the container.
a)
solid
b)
liquid
c)
gas
d)
plasma
7.
As particles are exposed to warmer temperatures they __________
a)
speed up
b)
slow down
c)
stay the same
d)
vibrate
8.
As particles are exposed to colder temperatures they _____
a)
speed up
b)
slow down
c)
stay the same
d)
become ions
9.
An inflated balloon is placed in a refrigerator. Which statement describes the movement of the gas particles in the balloon?
a)
The particles move more slowly and become closer together.
b)
The particles move more slowly and become further apart.
c)
The particles move faster and become closer together.
d)
The particles move faster and become further apart. 
10.
The states, or phases of matter are...
a)
proton, neutron and electron
b)
solid, liquid and gas
c)
on and off
d)
a mystery
11.

All matter is made up of tiny _______________

a)

energy

b)

particles (atoms and molecules)

c)

bits

d)

antimatter

12.

The particles of ___________________ are tightly packed.

a)

solids

b)

liquids

c)

gases

d)

none

13.

The particles of liquids can:

a)

vibrate

b)

move past each other

c)

both

d)

none

14.

The forces of attraction between particles of _________ are weakest.

a)

solids

b)

liquids

c)

gases

d)

none

15.
Number 2 represents a ________
a)
solid
b)
liquid
c)
gas
d)
plasma
16.
Particles in a _____________ are tightly packed together.
a)
solid
b)
liquid
c)
gas
d)
plasma
17.
As particles are exposed to warmer temperatures they __________
a)
speed up
b)
slow down
c)
stay the same
d)
vibrate
18.
As particles are exposed to colder temperatures they _____
a)
speed up
b)
slow down
c)
stay the same
d)
become ions
19.
An inflated balloon is placed in a refrigerator. Which statement describes the movement of the gas particles in the balloon?
a)
The particles move more slowly and become closer together.
b)
The particles move more slowly and become further apart.
c)
The particles move faster and become closer together.
d)
The particles move faster and become further apart. 
20.
What is the volume of the rock? The water level is displaced from 20 mL to 23 mL with the rock.
a)
3 mL
b)
23 mL
c)
20 mL
d)
43 mL
21.
Which liquid has the greatest density?
a)
lamp oil
b)
karo syrup
c)
water
d)
honey
22.
A student added sugar to a cup of water and stirred with a spoon.  After 10 minutes you could not see the sugar anymore.  What happened to the sugar?
a)
the sugar evaporated
b)
the sugar dissolved
c)
the sugar was magnetic
23.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
24.
What does the particle diagram show?
a)
solid
b)
liquid
c)
gas
d)
plasma
25.
What does the particle diagram show?
a)
solid
b)
liquid
c)
gas
d)
plasma
26.
What is the change of state from a gas to a liquid called?
a)
melting
b)
evaporation
c)
condensation
d)
sublimation
27.

Which of the following sentences are true about solids?

a)

Solids are rigid, have a fixed shape but not a fixed volume

b)

Solids are not rigid, have a fixed shape and no fixed volume

c)

Solids are rigid, have a fixed shape and a fixed volume

28.

Particles are always moving.

a)

True

b)

False

29.

Something that goes from liquid to gas is...

a)

Evaporation

b)

Melting

c)

Freezing

d)

Sublimation

30.

Which image shows particles in a solid?

a)
b)
c)
31.

Which image shows particles in a liquid?

a)
b)
c)
32.

Which image shows particles in a gas?

a)
b)
c)
33.

_________ particles are shown in this image

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

34.

__________ particles are shown in this image

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

35.

__________ particles are shown in this image

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

36.

1 of the 5 main ideas of the particle model is

a)

All matter is made up of tiny particles too small to see

b)

All matter is made up of large particles

c)

Matter is only found in Science laboratories

d)

Matter is only found in solids

37.

1 of the 5 main ideas of the particle model is

a)

There are only spaces between gases

b)

There are spaces between the particles

c)

The spaces between particles are greater in liquids compared to gases

d)

There are no spaces between solid particles

38.

1 of the 5 main ideas of the particle model is

a)

There are no forces between between any particles

b)

Weaker force= particles are closer together

c)

Weaker force= particles are further apart

d)

Gases are the only state of matter that doesn't have a force

39.

1 of the 5 main ideas of the particle model is

a)

The particles never move in any state of matter

b)

The particles only move in a liquid and gas

c)

The particles in all states of matter are always moving

d)

Only the particles in water move

40.

1 of the 5 main ideas of the particle model is

a)

Particles move faster at low temperatures

b)

Particles explode when heated

c)

Particles can't move in a solid when it's heated or cooled

d)

Particles move faster at high temperatures

41.

Solids and liquids are incompressible because

a)

Stronger forces means that particles are closer together and can't be moved

b)

The particles vibrate therefore can't be broken

c)

Humans aren't strong enough to break them

d)

Weaker forces means that particles are closer together and can't be moved

42.

Liquids and gases spread to fill their container because

a)

They are both compressible

b)

The particles can move

c)

There are large spaces between particles

d)

Both have strong forces which allow particles to flow

43.

Which of the following is NOT suggested by the particle model?

a)

made up of tiny particles

b)

particles move faster as the temperature increases

c)

particles move slower as the temperature decreases

d)

particles do not move in a solid

44.

How are particles usually represented in the particle model?

a)

as small circles

b)

as straight lines

c)

as small squares

d)

as circles that are tightly backed together

45.

The three types of mixtures are..

a)

solutions, solutes, solvents

b)

solutions, colloids, suspensions

c)

solutions, colloids, sediments

d)

concentrates, dilutes, dissolvers

46.

If a substance is soluble is means...

a)

that it can dissolve into another substance

b)

that it cannot dissolve into another substance

c)

it must be a concentrated substance

d)

it must be a diluted substance

47.

Which is the most common type of mixutre

a)

solutions

b)

solutes

c)

colloids

d)

suspensions

48.

Solutions are made up of..

a)

a soluble and a solvent

b)

a solute and a solvent

c)

a suspension and a sediment

d)

a suspension and a colloid

49.

Some sugar dissolves in water, the solute is...

a)

particles

b)

water

c)

sugar

d)

oxygen

50.

Some cordial is mixed with water, the solvent is...

a)

cordial

b)

water

c)

absent

d)

going to dissolve

51.

A feature of a solution is..

a)

it is transparent

b)

it is colourless

c)

it is cloudy

d)

it is concentrated

52.

A suspension is a mixture that has

a)

a solute and a solvent

b)

a sediment

c)

a cloudy appearance

d)

oil in it

53.

Which best describes the word sediment?

a)

a substance that something else can dissolve into

b)

small particles that easily dissolve

c)

medium sized particles that block light

d)

large particles that settle to the bottom of a mixture

54.

A feature of a colloid is that..

a)

they are cloudy

b)

they are transparent

c)

they are colourless

d)

they have a sediment

55.

Solutions has ______________ sized particles, colloids have _________________ sized particles, and suspensions have _________________________ sized particles.

a)

small, medium, large

b)

large, medium, small

c)

medium, small, large

d)

medium, large, small

56.

_________________ is an example of a solution, __________________ is an example of a colloid, _____________________ is an example of a suspension.

a)

cordial, sand and water, milk

b)

sand and water, milk, cordial

c)

milk, cordial, sand and water

d)

cordial, milk, sand and water

57.
Salt dissolves in water like ----
a)
Pepper dissolves in water
b)
Sugar dissolves in water
c)
Rocks dissolve in water
d)
Seeds dissolve in water
58.
To dissolve in water.
a)
solubility
b)
density
c)
mixture
d)
evaporation
59.

In which mixture can you see all of the parts?

a)

homogeneous

b)

heterogeneous

60.

In which mixture can you not see all of the parts?

a)

homogeneous

b)

heterogeneous

61.
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
62.
Sand floating in water, but most of the sand is settled at the bottom this an example of which type of mixture?
a)
A solution
b)
A colloid
c)
A suspension
d)
A compound
63.
The air around was is  a mixture of gases.
a)
True
b)
False
64.

What is a mixture in which all the parts are EVENLY mixed?

a)

energy

b)

beaker

c)

solution

d)

salad

65.

Which of the following is a solution?

a)

geletin with blueberries

b)

granola

c)

juice

d)

salad

66.

Which of the following is a solution?

a)

lemonade

b)

trail mix

c)

legos

d)

iron filings and sand

67.

A salad is an example of a __________.

a)

homogenous mixture

b)

solution

c)

heterogeneous mixture

d)

homogenous solution

68.
What are the two types of Mixtures
a)
Elements and Subatomic Particles
b)
Protons and Electrons
c)
Atoms and Compounds
d)
Homogenous and Heterogeneous
69.
Chicken noodle soup is an example of a
a)
homogeneous mixture
b)
heterogeneous mixture
70.
Coloured water is an example of a
a)
homogeneous mixture
b)
heterogeneous mixture
71.

What is the definition of a solvent?

a)

The substance that is dissolved.

b)

The substance in which the solute is dissolved.

c)

Unable to be dissolved.

72.

A combination of two or more substances.

a)

mixtures

b)

separate

c)

solid

d)

whisk

73.

Which tool could you use to separate large and small particles?

a)

A sieve

b)

A distillation flask

c)

Chromatography

d)

Evaporating basin

74.

In a solution of saltwater, what is the solute?

a)

Water

b)

Saltwater

c)

Salt

d)

There is no solute, it is insoluble

75.

Distilled water is a pure substance, but tap water is not. Why?

a)

Distilled water has separated all the non-water molecules out

b)

Distilled water only contains water molecules.

c)

Tap water contains other particles.

d)

Tap water is a mixture.

76.

Place the phase changes in the correct place on the diagram

77.

Which arrow is the melting point of the substance?

78.

Which arrow is the freezing point of the substance?

79.

Label each of the phase changes on the diagram.

80.

Label the states of matter

81.

Label the 3 states of matter shown here

82.

Label the states of matter

83.

Label the higher and lower temperature jars.

84.

Which best describes a solid​ ​ (a)  

Choose from the below words
has indefinite shape and indefinite volume
has definite shape and indefinite volume
has definite shape and low density
has definite shape and high density
85.

A gas has ​​ (a)   particle motion and ​ (b)   attractive forces between particles.

Choose from the below words
fast
low
slow
high
86.
Solubility is defined as
a)
the ability to catch on fire
b)
the ability to be dissolved
c)
the ability to fly.
d)
the ability to get on Mrs. D's nerves.
87.
The substance being dissolved in a solution.
a)
sands
b)
solute
c)
solvent
d)
alloy
88.
The substance in which a solute is dissolved
a)
sands
b)
solvent
c)
alloy
d)
negative particles
89.
Solutions are composed of __________ .
a)
salts and solutes
b)
solvents and salts
c)
solutes and alloys
d)
solutes and solvents
90.
In a sample of salt water, NaCl would be considered the ______.
a)
Solution
b)
Solute
c)
Solvent
d)
Solvation
91.
If we are making Kool-aid with sugar, Kool-aid powder, and water, which part is the solvent?
a)
water
b)
powder
c)
sugar
d)
powder and sugar
92.
In this mixture, which of the following will be the solute?
a)
The water in the glass
b)
The glass that holds the final mixture
c)
The solution containing both powder and water
d)
The powder on the spoon
93.
Lemonade - Water, lemon juice, and sugar
Identify the solute
a)
water
b)
lemon juice
c)
sugar and lemon juice 
94.
What is a solvent?
a)
The substance that does the dissolving in a solution.
b)
The substance that is being dissolved in a solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
95.
If a spoonful of salt is mixed in a glass of water, what is the water called?
a)
A. solute
b)
B. solution
c)
C. solvent
d)
D. element
96.

Which of these is a property of a solution?

a)

It is always a solid

b)

It cannot dissolve in water

c)

It settles to the bottom if left undisturbed

d)

It allows light to travel straight through

97.

What happens to substances that dissolve in water?

a)


They create a suspension

b)

They change color

c)

They break up into very small pieces

d)

They become insoluble

98.

Which of these statements about solutes is NOT true?

a)

It can be a gas

b)

It can be a liquid

c)

It has to be a solid

d)

It dissolves in a solvent

99.

What describes substances that do not dissolve in water?

a)

Insoluble

b)

Solution

c)

Sparingly soluble

d)

Soluble

100.

Give the missing labels for this diagram, in their correct order.

a)

solid, liquid, gas

b)

solute, solvent, solution

c)

solution, solute, solvent

d)

solvent, solute, solution

101.

Substances which dissolve in water are said to be (a)   in water

102.

What is the name given to a mixture of a solvent (like water) and an insoluble substances (like vegie oil) that has been shaken up to force the substances to mix for a while?

(a)  

103.

Which of the following are properties of suspensions?

a)

They are often not transparent

b)

The substance settles at the bottom of the container after a while

c)

They have a clear appearance

d)

They small bad

104.

Milk is a type of mixture called a colloid. Colloids are a bit like suspensions because

a)

light can't pass through them

b)

everything is soluble

c)

suspensions are always white

d)

suspensions keep you in suspense

105.

Milk is a type of mixture called a colloid. Colloids are NOT like suspensions because

a)

light can't pass through them

b)

material doesn't eventually settle at the bottom

c)

colloids are edible

d)

colloids dissolve in water

106.

Which of the following probably isn't a colloid?

a)

b)

c)

d)

107.

In fizzy drinks, the fizz is produced by dissolving carbon dioxide gas into the drink. The gas starts to escape when you open the drink. This means carbon dioxide is

a)

insoluble

b)

the solute and is insoluble

c)

the solvent and is soluble

d)

the solute and is soluble

108.

Which of the following describes what is happening when eucalyptus oil is used to try and remove greasy marks from a surface?

a)

the eucalyptus oil is acting as a solvent

b)

the eucalyptus oil is acting as a solute

c)

the eucalyptus oil is acting as a solution

d)

The eucalyptus oil is making a suspension

109.

How well a solute (like sugar) dissolves in a solvent (like water) is called its

a)

solvency

b)

solvication

c)

solubleness

d)

solubility

110.

A solution that contains the maximum amount of dissolved solute is called a ______ solution.

a)

saturated

b)

maximum

c)

suspension

d)

full

111.

If a person wanted to make a saturated solution of sugar, they would know when the solution is saturated, because

a)

they were really tired of stirring it

b)

they used up all the sugar

c)

there was undissolved sugar at the bottom, which would not dissolve

d)

it went blue

112.

A solution which does not contain much solute is said to be a D (a)   solution

113.

A solution which contains a lot of dissolved solute is known as a C__C__T____D solution

(a)  

114.

Solvent: A substance that (a)   another substance

115.

(a)   : A substance that dissolves

116.

Insoluble: A (a)   that doesn't dissolve

117.

(a)   : A cloudy liquid containing insoluble particles.

118.

(a)   : type of mixture that always looks cloudy because clumps of insoluble particles remain suspended throughout it – they don’t settle as sediment

119.

Which one is not a colloid

a)

Foam

b)

Gel

c)

Emulsion

d)

Coffee

120.

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

a)

solution

b)

suspension

c)

colloid

121.

A snow globe would be an example of a __________________.

a)

colloid

b)

solution

c)

suspension

122.
substance that dissolves the solute
a)
solution
b)
solvent
c)
saturation
d)
so
123.
If a spoonful of sugar is mixed in a glass of water, what is the water called? 
a)
solute
b)
solution
c)
solvent
d)
element 
124.

A combination of two or more substances that can be physically separated is called a...

a)

Mixture

b)

Pure substance

c)

Compound

125.
Milk is a 
a)
solution
b)
suspension
c)
colloid
126.

Which substance is MOST soluble at 0 ºC?

a)

KCI

b)

NaNO3

c)

NaCl

d)

Ce2(SO4)3

127.
Sand floating in water, but most of the sand is settled at the bottom this an example of which type of mixture?
a)
A solution
b)
A colloid
c)
A suspension
d)
A compound
128.
Particles are spread throughout a fluid but are too large to stay mixed w/o being stirred or shaken.
a)
suspension
b)
colloid
c)
solution
129.
The most commonly used solvent in food is ___
a)
sodium chloride
b)
vinegar
c)
water 
d)
citric acid
130.

Colloids are mixtures where fine particles are dispersed throughout another substance, like milk. What are some other examples of colloids? Select all that apply.

a)

mayonaisse

b)

gelatin

c)

trail mix

d)

jelly