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UC: Matter and Energy Review

Total questions: 91

Worksheet time: 2hrs 31mins

Name
Class
Date
1.
Anything that takes up space and has mass is...
a)
Matter
b)
Work
c)
Power
d)
Newton's 1st Law
2.

Why does ice float in water?

a)

It is less dense than liquid water

b)

It is more dense than liquid water

c)

It has no density

3.

True or False: Water heats up and cools down quickly

a)

True

b)

False

4.

Density is the relationship between

a)

mass and time

b)

mass and volume

c)

length and time

d)

length and volume

5.

When water freezes and becomes a solid its density

a)

increases

b)

decreases

c)

stays the same

6.

During a phase change which of the following will change?

a)

mass

b)

volume

c)

both mass and volume

7.

As heat energy is added the particles inside a substance

a)

gain energy

b)

spread out

c)

move around more

d)

stand still

8.

Calculate the mass of a liquid that has density of 10g/ml and a volume of 60ml.

a)

6g

b)

60g

c)

600g

9.

Liquid water

a)

is more dense than ice

b)

is less dense than ice

c)

has the same density as ice

10.

Water

a)

expands when it freezes

b)

contracts when it freezes

c)

neither contracts nor expands

11.

True or False: A phase change will cause a change in density.

a)

True

b)

False

12.

Density describes

a)

how much something weighs

b)

how big something is

c)

how tightly compacted molecules are in a substance

13.
A combination of two or more substances that can be easily separated.
a)
dissolve
b)
mixture
c)
solution
d)
physical property
14.
process where a liquid becomes a gas
a)
condensation
b)
evaporation
c)
physical property
d)
dissolve
15.
the temperature at which a solid becomes a liquid.
a)
freezing point
b)
melting point
c)
boiling point
d)
condensation point
16.
the temperature at which a liquid becomes a solid
a)
melting point
b)
boiling point
c)
freezing point
d)
condensation point
17.
the temperature at which a liquid becomes a gas
a)
melting point
b)
freezing point
c)
boiling point
d)
condensation point
18.
process where a gas turns back into a liquid
a)
melting
b)
freezing
c)
evaporation
d)
condensation
19.
Solution A has a density of 61g/50mL 
Solution B has a density of 21g/50mL
Solutions C has a density of 41/50mL
Put them in order from most dense to less dense.
a)
A. B. C
b)
C, B, A
c)
A, C, B
d)
C, A, B
20.
__________ is the ability of an object to float or sink in water
a)
Solubility
b)
Relative Density
c)
Magnetism
d)
Mass
21.

The mixture shown here -

a)

Maintains its physical properties when combined

b)

Dissolves after being stirred together

c)

Will evaporate after a certain period of time

d)

Cannot be separated into ingredients

22.

Which of the following is NOT happening in the photo

a)

The temperature is rising

b)

Heat is being added

c)

Thermal energy is taken away

d)

A solid is turning into a liquid

23.

The bobber is able to float in the water because -

a)

It has a greater density than the water

b)

It is too heavy to sink to the bottom

c)

It mass will not allow it to sink

d)

Its density is less than water

24.

In order for the wax on the sculpture to melt, what must happen?

a)

The temperature must fall

b)

Energy should be removed

c)

The temperature must stay the same

d)

Heat must be added

25.

During condensation -

a)

Solid water is turning to liquid

b)

Water vapor in the air is turning into liquid

c)

Liquid water is becoming a solid

d)

Liquid water is becoming a gas

26.
To make different without changing what the material is made of such as; cutting, folding,etc.
a)
Filter
b)
Physical State
c)
Physical change
d)
Origami
27.
What is the phase change of a solid to a liquid?
a)
freezing
b)
melting
c)
boiling
d)
condensation
28.
How are solids different from liquids?
a)
particles in solids are moving freely around each other.
b)
particles in solids have no motion.
c)
particles in solids are vibrating in place.
d)
particles in solids have more motion than in liquids
29.
5. What is it called when a solid turns directly into a gas?
a)
Sublimation
b)
Condensation
c)
Liquid
30.
7. All phase changes (changing states) requires energy to be added or taken away.
a)
True
b)
False
31.
Change from Gas to Solid is called........
a)
Sublimation
b)
Deposition
c)
Fusion
d)
condensation
32.
All changes in the state of matter of a substance requires
a)
vibration
b)
water
c)
permission
d)
energy
33.
What happens to particles when they are heated?
a)
They speed up and spread out
b)
They slow down and compress
c)
They stop moving
d)
They move closer together and speed up
34.
What is deposition?
a)
Phase change from gas to solid
b)
phase change from liquid to solid
c)
Phase change from solid to gas
d)
Phase change from liquid to gas
35.
What is sublimation?
a)
phase change between solid and liquid
b)
pahse change from gas to solid
c)
phase change from solid to gas
d)
phase change from solid to solid
36.
Melting is ...
a)
liquid to solid
b)
solid to liquid
c)
solid to gas
d)
gas to liquid
37.
Boiling is ...
a)
liquid to gas
b)
gas to solid
c)
gas to liquid
d)
solid to liquid
38.
The phase change from water vapor to liquid water is known as...
a)
evaporation
b)
precipitation
c)
condensation
d)
sublimation
39.

Phase change going from a Liquid to a Gas...

a)

Vaporization

b)

Deposition

c)

Condensation

d)

Melting

40.

Is the substance gaining or losing energy?

a)

Gaining

b)

Losing

41.

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

a)

Faster

b)

Slower

42.

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

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

43.

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

a)

Melting

b)

Freezing

c)

Speeding Up

d)

Slowing Down

44.

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

a)

Melting

b)

Freezing

c)

Vaporizing

d)

Sublimating

45.

Is the substance gaining or losing energy?

a)

Gaining

b)

Losing

46.

Where on the graph are phase changes taking place?

a)

1

b)

2

c)

3

d)

4

e)

5

47.

In an endothermic reaction, heat is ...

a)

taken in

b)

given out

48.
If a chemical reaction is EXOTHERMIC, the temperature would....
a)
Stay the same
b)
Increase
c)
Decrease
49.
In an endothermic reaction the system is releasing energy.
a)
True
b)
False
50.
During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______. 
a)
Warm
b)
Cold
51.
A student mixed two chemicals to allow them to react. The temperature before the reaction was 25 ° C. The temperature after the reaction was 18° C. Which of the following is true? 
a)
The temperature changed 
b)
It is an endothermic reaction
c)
It is an exothermic reaction 
d)
Two of the answers are correct 
52.
Baking bread and cooking an egg are examples of....?
a)
Endothermic processes
b)
Exothermic processess
c)
None of these 
53.
Is photosenthysis an Exothermic or an Endothermic reaction?
a)
Endothermic
b)
Exothermic
54.
What type of reaction is shown in the photo?
a)
Exothermic
b)
Isothermic
c)
Endothermic
d)
None of the  above
55.

What type of reaction occurs in a hand warmer?

a)

exothermic

b)

endothermic

56.
Have you ever eaten sherbet sweets candy? They fizz in your mouth and your tongue feels cold. Why do you think that is?
a)
It is an exothermic reaction
b)
It is an endothermic reaction
c)
It is made of ice
d)
It is dissolving your mouth
57.

What is an example of exothermic?

a)

firework

b)

ice pack

c)

coal

d)

wood

58.

Which of the following process is exothermic?

a)

Candle was melting

b)

A puddle evaporating

c)

Dry ice (solid carbon dioxide) subliming to form gaseous carbon dioxide

d)

Water freezing to form ice

59.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
bubbles of gas appear
d)
dissolving
60.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
61.
After you mix two substances together, a new substance forms.  This is an example of:
 
a)
 Physical Change
b)
 Chemical Change
62.
Sugar dissolves in water.  This is an example of....
a)
Physical Change
b)
Chemical Change
63.
Evaporation is what kind of change?
a)
Endothermic
b)
Exothermic
64.
Condensation and raining are examples of what?
a)
Exothermic
b)
Endothermic
65.
When you freeze water, it turns to ice.  What kind of change is this?
a)
 Physical
b)
Chemical
66.

What instrument would you use to detect an endothermic or exothermic reaction?

a)

triple beam balance

b)

ruler

c)

thermometer

67.
Describe the substance between letters C and D. 
a)
Gas
b)
Liquid
c)
Melting
d)
Evaporating
68.
Between which points is the temperature of the substance remaining constant?
a)
A-B only. 
b)
A-B, C-D, E-F
c)
B-C only. 
d)
B-C, D-E
69.
True or false: melting and freezing occur at the same temperature.
a)
True
b)
False
70.
What is the melting point for this substance?
a)
60 °C
b)
40 °C
c)
80 °C
d)
100 °C
71.
What is the freezing point for this substance?
a)
60 °C
b)
40 °C
c)
80 °C
d)
100 °C
72.
What is the boiling point for this substance?
a)
60 °C
b)
40 °C
c)
120 °C
d)
100 °C
73.
What is the condensation point for this substance?
a)
60 °C
b)
40 °C
c)
120 °C
d)
100 °C
74.

Particles close together, that are touching and uniformed can be found in which state?

a)

Liquid

b)

Gas

c)

Solid

75.

Particles that are touching, but can flow over each other can be found in which state?

a)

Liquid

b)

Gas

c)

Solid

76.

Particles that are not touching and have lots of energy can be found in which state?

a)

Liquid

b)

Gas

c)

Solid

77.
When things are cold molecules are moving...
a)
Fast
b)
Slow
c)
They are not moving
d)
They are moving by not fast or slow
78.
Heat passes from...
a)
High to low
b)
Cold to hot
c)
Hot to cold
d)
Heat cannot be passed
79.
What would be the effect on the particles if more heat is supplied to the system?
a)
They would slow down
b)
They would stop moving
c)
They would speed up
d)
There would be no effect
80.

C for 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?

a)

12.82 °C

b)

24.12°C

c)

351 °C

81.

You have 20 g of water with C of 4.18 J/g°C. The 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

82.

The temperature of an unknown piece of metal with a mass of 30.00 g changes from 25.0 °C to 35.0 °C when the metal absorbs 350.0 J of energy. What is C for the metal?

a)

1.17 J/g°C

b)

-1.17 J/g°C

c)

0.857 J/g°C

d)

-0.857 J/g°C

83.

A 15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25°C to 175°C. Calculate C for iron.

a)

0.46 J/goC

b)

1.654 J/goC

c)

2,567,446.875 J/goC

84.

How many joules of heat are needed to raise the temperature of 10.0 g of aluminum from 22°C to 55°C, if C for aluminum is 0.90 J/(g°C)?

a)

297 Joules

b)

0.003 Joules

c)

297 J/gx°C

d)

0.003 J/gx°C

85.
Anything that takes up space and has mass is...
a)
Matter
b)
Work
c)
Power
d)
Newton's 1st Law
86.
The classification of matter as a solid, liquid, or a gas.
a)
Matter
b)
Mass
c)
Physical State
d)
Thermal Energy
87.
Students place ice cubes outside on the ground, on a hot summer day. Which best describes how the ice cubes change over time?
a)
Gas to solid to liquid
b)
Liquid to gas to solid
c)
Solid to liquid to gas
d)
Solid to gas to liquid
88.
When does condensation happen?
a)
solid to liquid
b)
liquid to gas
c)
gas to liquid
d)
solid to gas
89.
At room temperature helium does not have a definite shape or volume. Which state is it in? 
a)
gas
b)
solid
c)
water
d)
liquid
90.
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
91.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts

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