wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 3 - TEST Review 7.6CDE Physical/Chemical Aqueous Sol

Total questions: 89

Worksheet time: 2hrs 39mins

Name
Class
Date
1.

A property that is observed without making changes to the substance.

a)

Chemical Reaction

b)

Chemical Property

c)

Physical Property

d)

Physical Reaction

2.

When baking soda mixes with vinegar, a chemical reaction occurs. This reactivity is an example of a _______________.

a)

Chemical Property

b)

Physical Property

3.

Which of the following is an example of a chemical change?

a)

Cutting paper

b)

Sugar burning

c)

Freezing water

4.

What are the units for volume?

a)

g

b)

mL

c)

g/mL

d)

mL/g

5.

What are the units for mass?

a)

g

b)

mL

c)

g/mL

d)

mL/g

6.

Solubility is an example of a....

a)

Physical Property

b)

Chemical Property

7.

Flammability is a ________ property.

a)

Physical

b)

Chemical

8.
Cutting a log in to small pieces is a chemical change.
a)
true
b)
false
9.
The melting of wax is an example of a
a)
chemical change
b)
physical change
10.
Is the formation of the grand canyon a physical or chemical change?
a)
Physical 
b)
Chemical
11.
Which is a physical change?
a)
burning match 
b)
vinegar in baking soda 
c)
melting butter
d)
cooking an egg
12.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
13.

A gel ice pack getting cold after you put it in the freezer for an hour.

a)

Chemical Change

b)

Physical Change

14.

Melting

a)

change of state from solid to liquid

b)

change of state from liquid to solid

15.

When we cut a piece of paper into triangles, which physical properties change?

a)

The smell and taste

b)

The texture and smell

c)

The size and shape

16.
What happens when chocolate is left in a hot car?
a)
it melts
b)
it changes shape
c)
it changes from a solid to a liquid
d)
all of the above
17.

Which of the following is an example of a physical change?

a)

A glass falling and shattering on the floor.

b)

Baking a birthday cake.

c)

Burning a piece of paper.

d)

Baking soda and vinegar mixing together.

18.

What is the example of the physical change?

a)

Burning firewood

b)

Rotting Banana

c)

Pencil breaking

19.

What kind of change occurs if matter changes in amount, size, or shape?

a)

substance change

b)

physical change

c)

chemical change

d)

elemental change

20.

What are the three states of matter?

a)

gas, liquid, mass

b)

solid, liquid, gas

c)

mass, solid, magnet

d)

density, volume, mass

21.

An older bicycle shows wear and tear. Which of the following signs show that a chemical change has occurred to the bicycle?

a)

rust on the wheel

b)

broken light

c)

torn seat cover

d)

bent handle bar

22.

A physical change is

a)

a change where the characteristics do not change the substance

b)

a change where the characteristics do change the substance

c)

a change where the chemistry changes

23.

What is the definition of chemical change?

a)

any change that results in the formation of one (or more) new chemical substance(s)

b)

changing of only the appearance of the object

c)

matter cannot be created or destroyed, only change form

d)

changes affecting the form of a chemical substance, but not its chemical composition

24.
Which of these is an example of a new substance being formed?
a)
a nail rusting
b)
a wall being painted
c)
water changing to steam
d)
paper being folded
25.

Sugar dissolving in water is a

a)

Chemical Change

b)

Physical Change

26.

Which of the following is NOT an indicator of chemical changes?

a)

Unexpected color change

b)

Dissolving

c)

Light production

d)

Gas formation

27.

Select ALL the characteristics of a physical change.

a)

changes in appearance only

b)

a new substance is not created

c)

changes the pH level

d)

chemical bonds are not created or broken

e)

burning and fire

28.
Fizzing, foaming, and burning are all examples of
a)
Chemical change
b)
Physical change
29.
Evidence of a physical change.
a)
New substance
b)
Shape Change
c)
Light produced
d)
Gas released.
30.
What is the definition of a chemical change?
a)
Characteristics that describe how a substance behaves under different conditions
b)
Alteration in the physical state of matter without changing its chemical composition
c)
Transformation that results in the creation of new substances
d)
Inherent characteristics that help us identify and describe matter
31.
What is the definition of physical changes?
a)
changes that describe how a substance behaves under different conditions
b)
characteristics that describe how a substance interacts with other substances
c)
changes that alter the form or appearance of a substance, but not its chemical composition
d)
changes that lead to the formation of new substances with different chemical properties
32.
What happens to the fundamental particles during a physical change?
a)
They remain the same
b)
They break and form new chemical bonds
c)
They become completely different substances
d)
They disappear
33.

What is the term used to describe the substance that is dissolved in a solution?

a)

Solvent

b)

Solute

c)

Concentration

d)

Dilution

34.

Jackson is preparing a saltwater solution for his science experiment. Which of the following describes the concentration of the solution?

a)

The amount of solute in a given amount of solvent

b)

The temperature of the solution

c)

The color of the solution

d)

The volume of the solvent

35.

What happens to the concentration of a solution when more solvent (water) is added?

a)

It increases

b)

It decreases

c)

It remains the same

d)

It doubles

36.

Which factor does NOT affect the rate of dissolution of a solid solute in an aqueous solution?

a)

Temperature

b)

Surface area

c)

Agitation

d)

Color of the solute

37.

If you increase the temperature of a solution, what generally happens to the rate of dissolution of a solid solute?

a)

It decreases

b)

It increases

c)

It remains the same

d)

It doubles

38.

How does increasing the surface area of a solid solute affect its rate of dissolution?

a)

It increases the rate

b)

It decreases the rate

39.

What is the effect of stirring (agitation) on the rate of dissolution of a solid solute in an aqueous solution?

a)

It decreases the rate

b)

It increases the rate

40.

Which of the following is an example of a solvent in an aqueous solution?

a)

Sugar

b)

Water

c)

Salt

d)

Sand

41.

What is the process of reducing the concentration of a solute in a solution called?

a)

Saturation

b)

Dilution

c)

Evaporation

d)

Precipitation

42.

Which of the following best describes an aqueous solution?

a)

A solution where water is the solute

b)

A solution where water is the solvent

c)

A solution with no water

d)

A solution with only solid components

43.

If a solid solute is broken into smaller pieces, how does this affect its dissolution rate?

a)

It decreases the rate

b)

It increases the rate

44.

Which of the following is NOT a method to increase the rate of dissolution of a solid solute?

a)

Increasing temperature

b)

Decreasing surface area

c)

Stirring the solution

d)

Increasing surface area

45.

How does temperature generally affect the solubility of a solid solute in water?

a)

Solubility decreases with increasing temperature

b)

Solubility increases with increasing temperature

46.

Which of the following actions would decrease the concentration of a solution?

a)

Adding more solute

b)

Adding more solvent

47.
When one of the parts of the solution is water we call it _________. 
a)
water stuff 
b)
water mixture 
c)
aqua-man
d)
aqueous 
48.
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
49.

In Michael's science experiment with salt water, NaCl (salt) would be considered the ______.

a)

Solution

b)

Solute

c)

Solvent

d)

Solvation

50.

Avery is conducting a science experiment. When water is added to a solution it is called a ______________

a)

dilution

b)

concentration

c)

heterogeneous solution

d)

dissociation

51.

Luna and Daniel are conducting an experiment to see how much __________ can dissolve in a solvent to create saturated, unsaturated, and supersaturated solutions.

a)

sugar

b)

liquid

c)

solution

d)

solute

52.

A solution that contains all of the solute that it can hold at a given temperature.

a)

unsaturated solution

b)
saturated solution
c)

homogeneous solution

d)
diluted solution
53.
Solutions are composed of __________ .
a)
salts and solutes
b)
solvents and salts
c)
solutes and alloys
d)
solutes and solvents
54.

In a science experiment, Avery dissolved sugar in water. What is the substance in which the sugar is dissolved?

a)

sands

b)

solvent

c)

alloy

d)

negative particles

55.

Aria is making lemonade. She adds sugar to the water. The sugar is a

a)

solute

b)

solution

c)

science

56.
A solution is a kind of ________. 
a)
mixture 
b)
compound 
c)
element 
d)
stuff 
57.

Which of the following best describes a homogeneous mixture?

a)

A mixture where the components are not uniformly distributed

b)

A mixture where the components are uniformly distributed

c)

A mixture of solids only

d)

A mixture of gases only

58.

Describe the effect of increasing temperature on the rate of dissolution of a solid solute in water.

a)

It decreases the rate of dissolution

b)

It has no effect on the rate of dissolution

c)

It increases the rate of dissolution

d)

It first increases then decreases the rate of dissolution

59.

Explain how surface area affects the rate of dissolution of a solid solute in an aqueous solution.

a)

Larger surface area decreases the rate of dissolution

b)

Larger surface area increases the rate of dissolution

c)

Surface area has no effect on the rate of dissolution

d)

Smaller surface area increases the rate of dissolution

60.

Which of the following is an example of a solute in an aqueous solution?

a)

Water

b)

Salt

c)

Air

d)

Oil

61.

How does agitation (stirring) affect the rate of dissolution of a solid solute in water?

a)

It decreases the rate of dissolution

b)

It has no effect on the rate of dissolution

c)

It increases the rate of dissolution

d)

It first increases then decreases the rate of dissolution

62.

Given a solution of saltwater, identify the solute and solvent.

a)

Solute: Water, Solvent: Salt

b)

Solute: Salt, Solvent: Water

c)

Solute: Water, Solvent: Carbon dioxide

d)

Solute: Carbon dioxide, Solvent: Water

63.

Predict what will happen to the rate of dissolution if the temperature of the solvent is decreased.

a)

The rate of dissolution will increase

b)

The rate of dissolution will decrease

c)

The rate of dissolution will remain the same

d)

The rate of dissolution will first increase then decrease

64.

A student dissolves sugar in water and notices that it dissolves faster when stirred. Explain why this happens.

a)

Stirring decreases the temperature of the solution

b)

Stirring increases the surface area of the solute

c)

Stirring increases the interaction between solute and solvent particles

d)

Stirring decreases the surface area of the solute

65.

What is the primary characteristic of a pure substance?

a)

It contains a mixture of different substances

b)

It has the same atomic makeup and chemical properties throughout

c)

It can be separated into different components by physical means

d)

It is always a solid

66.

Compare the rate of dissolution of a solid solute in hot water versus cold water.

a)

The rate is higher in cold water

b)

The rate is higher in hot water

c)

The rate is the same in both

d)

The rate is higher in cold water initially, then higher in hot water

67.

A student adds a solid solute to water and observes that it dissolves faster when the solute is crushed into smaller pieces. Explain why this occurs.

a)

Crushing the solute decreases its surface area

b)

Crushing the solute increases its surface area

c)

Crushing the solute decreases the temperature of the solution

d)

Crushing the solute increases the temperature of the solution

68.

Explain why carbon dioxide is considered a solute in soda.

a)

Because it is the substance that dissolves other substances

b)

Because it is the substance being dissolved in water

c)

Because it is a solid

d)

Because it is a liquid

69.

When you dye Easter eggs, you mix food coloring and vinegar into boiling water to create the dye. Is this considered an aqueous solution?

a)

yes

b)

no

70.
The concentration of a mixture can be increased in which of the following ways?
a)
Heating the mixture
b)
Adding more water “solvent”
c)
Adding more powder “solute”
d)
Stirring the mixture
71.

What is the main difference between a solution and a mixture?

a)

Solutions can only be liquids, while mixtures can be in any state of matter

b)

Solutions are always clear, while mixtures are cloudy

c)

Solutions are homogeneous, while mixtures can be heterogeneous

d)

Mixtures can be separated by physical means, while solutions cannot

72.
Which will dissolve the slowest
a)
powdered sugar in hot water
b)
Powdered sugar in cold water
c)
sugar cubes in hot water
d)
sugar cubes in cold water
73.

Which of the following refers to substances that do not mix together and look different throughout?

a)

homogeneous mixture

b)

solution

c)

heterogeneous mixture

d)

solubility curve

74.

Which of the following refers to the substance that is being dissolved in a solution?

a)

solvent

b)

solute

c)

mixture

75.

Which of the following is an example of a solvent?

a)

sugar

b)

salt

c)

copper sulphate

d)

water

76.

Based on the solubility curve, how many grams of sugar will dissolve in a 100 mL of water at 20°C?

a)

100 g

b)

150 g

c)

200 g

d)

250 g

77.
What conclusion can be made using this solubility curve?
a)
Decreasing temperatures always increases solubility 
b)
Increasing temperatures always increases solubility
c)
Increasing temperatures usually increases solubility
d)
Temperature has no affect on solubility
78.

Which is an example of a solution?

a)

Salt and Sugar

b)

Salt Water

c)

Jelly beans

d)

Concrete

79.

Which of the following should be done to make the solute dissolve faster in the solvent?

a)

stir the solute

b)

freeze the solute

c)

decrease the temperature of the solvent

d)

increase the particle size of the solute

80.

To make a solute dissolve more quickly in a solvent which would you do?

a)

Put it in cold water and stir it

b)

Put it in warm water and stir it

81.

Which of the following actions will NOT increase the rate of dissolution (dissolving)?

a)

Stirring the solution

b)

Decreasing the temperature

c)

Increasing the surface area of the

solute

d)

Increasing the temperature

82.

What kind of change is frying an egg?

a)
b)
83.

Physical Properties are

a)

properties that can only be observed by the eyes

b)

properties that can only be measured

c)

properties that describe how a substance changes into a completely new substance

d)

properties that can be observed without changing the identity of the substance

84.

When a new substance is formed with different properties than the original substance it is called a...

a)

Chemical change

b)

Physical change

c)

Change in State

d)

Change in appearance only.

85.

Identify what type of change happening in the picture below...

a)

Chemical Change

b)

Physical Change

c)

Endothermic Reaction

d)

Exothermic Reaction

86.
Digesting your food is an example of 
a)
chemical change
b)
physical change
87.
Is gatorade powder dissolving in water physical or chemical change?
a)
Physical 
b)
Chemical
88.

Two solutions are added together and the new solution becomes hot. This tells you that

a)

a gas is being produced.

b)

the solutions are not soluble. 

c)

the physical properties are the same.

d)

a chemical change is taking place.

89.

What process is it called when a solid turns into a liquid and then turns into a gas? What are the TWO names of this type of change?

______ change

change in _______ of _______

a)

phase

b)

physical

c)

state of matter

d)

point of view

e)

chemical

Similar Resources on Wayground

Digestion Test Review

90 questions

Digestion Test Review

quiz

Worksheet

•

6th - 8th Grade

Révision fin d'année (ST1)

85 questions

Révision fin d'année (ST1)

quiz

Worksheet

•

7th - 8th Grade

Grade 7 Quarter 6

92 questions

Grade 7 Quarter 6

quiz

Worksheet

•

7th Grade

GS2 Semester 1 Review(NGSS 8th grade)

85 questions

GS2 Semester 1 Review(NGSS 8th grade)

quiz

Worksheet

•

7th - 8th Grade

6th Intro Test

92 questions

6th Intro Test

quiz

Worksheet

•

6th - 8th Grade

Chemical Reaction Unit Review

90 questions

Chemical Reaction Unit Review

quiz

Worksheet

•

7th Grade

Photosynthesis and respiration

89 questions

Photosynthesis and respiration

quiz

Worksheet

•

7th Grade