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Matter: Solubility, Density, Phases and Changes Review

Total questions: 67

Worksheet time: 53mins

Name
Class
Date
1.

Serena is mixing a material into a beaker filled with a liquid. She notices that the material seems to disappear into the liquid. What physical property of the material is Serena most likely observing?

a)

solubility

b)

conductivity

c)

magnetism

d)

density

2.

What happens when a substance undergoes a physical change?

a)

Some physical properties change, but the substance keeps its identity.

b)

No physical properties change, and the substance keeps its identity.

c)

Some physical properties change, and the substance changes its identity.

d)

No physical properties change, but the substance changes its identity.

3.

Which scenario is an example of a physical change?

a)

Wood is burned in a campfire and is turned into ash and smoke.

b)

A piece of metal is left in the rain and forms rust.

c)

Lead is melted into a liquid to form pellets.

d)

Yeast turns sugar into energy, water, and carbon dioxide gas.

4.

Which event always involves a chemical change?

a)

boiling

b)

melting

c)

conducting

d)

burning

5.
Which is a way that a piece of paper can go through a chemical change?
a)
fold the paper in half
b)
soak the paper in water
c)
burn the paper with fire
d)
cut the paper with scissors
6.
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
7.
Which example best describes a physical change?
a)
iron rusting
b)
charcoal burning
c)
an ice cube melting
d)
a marshmallow burning
8.
Glass bottle that is shattered
a)
Chemical Change
b)
Physical Change
9.
Baking soda and vinegar combine to make carbon dioxide
a)
Chemical Change
b)
Physical Change
10.

Which of the following are examples of a Chemical Change? Check all that apply.

a)

Iron Rusting

b)

Gas Burning

c)

Breaking a glass

d)

Boiling water

e)

Burning Wood

11.
Sugar dissolves in water
a)
Chemical Change
b)
Physical Change
12.

Which process is a sign of a chemical change?

a)

A rotting potato gives off a bad smell

b)

A melting block of ice leaves a large puddle

c)

A cloud quickly changes shape when blown by wind

d)

A plaster statue breaks when it falls onto the floor

13.
What two types of measurements make up DENSITY? 
a)
Mass and Volume
b)
Temperature and Mass
c)
Grams and Centimeters
d)
Volume and Weight
14.
What units are used to measure mass?
a)
g
b)
cm3
c)
g/cm3
d)
cm3/g
15.
What units are used to measure Density?
a)
cm3/g
b)
g
c)
g/cm3
d)
cm3
16.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
17.

Which box has a higher density?

a)

A

b)

B

c)

They are the same

18.

If a liquid has a density of 3 g/mL and a mass of 9 g. What is the volume? Use the density triangle to solve the problem

a)

24 mL

b)

18 mL

c)

3 mL

d)

12 mL

19.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
20.

What is the volume of 55 grams of lead if it has a density of 11 g/cm3?

a)

605 cm3

b)

5 cm3

c)

66 cm3

d)

.2 cm3

21.

What is the mass of a 25 cm3  liquid if it has a density of 5 g/cm3?

a)

125 g

b)

5 g

c)

30 g

d)

.2 mL

22.

True or False:  The density of a specific type of material never changes.  

a)

true

b)

false

23.
I have two objects with the same volume but different masses.  Which object will be more dense?
a)
The object with less weight.
b)
The object with more weight.
c)
The object with more mass.
d)
The object with less mass.
24.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
25.

All matter is made up of tiny _______________

a)

energy

b)

particles (atoms and molecules)

c)

bits

d)

antimatter

26.

The tool pictured here is...

a)

a buret

b)

an erlenmeyer flask

c)

a graduated cylinder

d)

a beaker

27.

This tool is used to measure...

a)

volume

b)

mass

c)

density

d)

moles

28.

Mass is the amount of _______ an object has

a)

Matter

b)

weight

29.

The unit for volume is (Select all that apply)

a)

grams

b)

milliliters (mL)

c)

Newton

d)

cm3

30.

What process occurs when you place an object in a graduated cylinder with water and measure how much the water level changes?

a)

Relative Water Density

b)

Water Displacement

c)

Density

31.
Which substance is MOST soluble at 0 ºC?
a)
KI
b)
NaNO3
c)
NaCl
d)
Ce2(SO4)3
32.
When 20 grams of potassium chlorate, KClO3, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:
a)
supersaturated
b)
saturated
c)
unsaturated
33.

At what temperature can you fully dissolve 140g of NaNO3?

a)

61

b)

73

c)

81

d)

You cannot determine this

34.

At 80'C, KBr's solubility is:

a)

100

b)

90

c)

80

d)

0

35.

At 30'C, which substance has the lowest solubility?

a)

KNO3

b)

KBr

c)

NaCl

d)

Yb2(SO4)3

36.

Identify if the following solution would be saturated, unsaturated, or supersaturated: 110g KBr at 70'C.

a)

Unsaturated

b)

Saturated

c)

Supersaturated

37.

Stirring the solution...

a)

decrease the rate of solubility

b)

Doesn't change the rate of solubility

c)

increase the rate of solubility

d)

None of the above

38.
In the above picture, a powder is about to be poured into the liquid. Which of the following should be done to make this powder dissolve faster?

a)
stir the powder in the liquid
b)
freeze the mixture
c)
add more powder to the liquid
d)

store the mixture in a cold dark place

39.
When a solvent contains as much of the solute as it can hold, the solution is said to be
a)
supersaturated
b)
diluted
c)
saturated
d)
unsaturated
40.

In general as temperature increases, the solubility of a liquid or a solid tends to ...

a)

increases

b)

decreases

c)

stays the same

41.

Is shaking increases the solubility of a solution?

a)

Yes

b)

No

c)

Maybe

42.

Which letter would be the phase change of freezing?

a)

F

b)

C

c)

A

d)

D

43.
Which of the following terms identifies the change from a liquid to solid?
a)
Melting
b)
Condensation
c)
Vaporization
d)
Freezing
44.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
45.
Phase change from a solid to a gas.
a)
sublimation
b)
deposition
c)
condensation
d)
evaporation
46.
Phase change from a solid to a liquid.
a)
melting
b)
sublimation
c)
boiling
d)
condensation
47.
Phase change from a gas to a liquid.
a)
condensation
b)
evaporation
c)
melting
d)
deposition
48.

The opposite phase of melting is 

a)
freezing 
b)
sublimation
c)
condensation 
d)
deposition 
49.

The change of one state of matter to another is called

a)

Osmosis

b)

Phase Change

c)

Matter

d)

Energy

50.

Change of a gas directly into a solid

a)

Sublimation

b)

Condensation

c)

Evaporation

d)

Deposition

51.

The temperature at which a liquid evaporates to a gas is called

a)

freezing point

b)

boiling point

c)

melting point

d)

condensation point

52.

Is the substance gaining or losing energy as it moves to the right?

a)

Gaining

b)

Losing

53.

Are the particles moving faster or slower as time goes on?

a)

Faster

b)

Slower

54.

What state/phase is the object likely from points A to B?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

55.

What is happening to the particles in the substance between points A and B?

a)

Melting

b)

Freezing

c)

Speeding Up

d)

Slowing Down

56.

What is happening to the particles in the substance between points D and E?

a)

Melting

b)

Freezing

c)

Vaporizing

d)

Sublimating

57.

Is the substance gaining or losing energy?

a)

Gaining

b)

Losing

58.

Where on the graph are phase changes taking place? Select all that apply.

a)

1

b)

2

c)

3

d)

4

e)

5

59.
When a  piece of aluminum foil is taken out of the oven and cools from 100° C to 50°C, What is the change in temperature?
a)
50°
b)
0°
c)
100°
d)
150°
60.

The specific heat of aluminum is 0.21 J/g°C.  How much heat (Q) is released when a 10 g piece of aluminum foil is taken out of the oven and cools from 100° to 50°?

a)
105 J
b)
10.5 J
c)
1.05 J
d)
50 J
61.
20 g of water. specific heat of water is 4.18 J/g°C.  temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?
a)
418 Joules
b)
209 J
c)
83 J
d)
4.18 J
62.

The specific heat(c) of copper is 0.39 J/g °C. What is the temperature change(∆t) when 100 Joules of heat(Q) is added to 20 grams of copper? ΔT= Qmc \Delta T=\ \frac{Q}{\text{mc}}\  

a)
12.82 °C
b)
24.12°C
c)
351 °C
63.

Use the following equation to answer the question.

Q=mcΔTQ=mc\Delta T  

What does the C stand for?

a)

Final temperature

b)

Change in temperature

c)

Mass

d)

Specific heat

64.

Use the following equation to answer the question.

Q=mcΔTQ=mc\Delta T  

What does the m stand for?

a)

Mass

b)

Energy

c)

Specific Heat

d)

Final Temperature

65.

What unit do you use to measure Heat or Thermal Energy?

a)
J/Kg ºC
b)
Kg
c)
ºC
d)
J
66.

This tool is used to measure...

a)

volume

b)

mass

c)

density

d)

moles

67.

In general as temperature increases, the solubility of a gas tends to...

a)

increases

b)

decreases

c)

stays the same

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