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Physical Science Exam Review

Total questions: 132

Worksheet time: 2hrs 41mins

Name
Class
Date
1.
Sodium has an atomic number of 11, how many protons does this atom have?
a)
22
b)
11
c)
12
d)
2
2.
Which description about the proton is accurate?
a)
Positively charged particle with a mass less than 0 amu
b)
A neutrally charged particle with a mass less than 0 amu
c)
Positively charged particle with a mass of 1 amu
d)
A neutrally charge particle with a mass of 1 amu
3.

Carbon has how many protons?

a)

12

b)

6

c)

7

d)

4

4.

Argon has how many Valence Electrons?

a)

18

b)

40

c)

8

d)

3

5.

Potassium has how many energy levels?

a)

4

b)

19

c)

39

d)

1

6.

Bromine has how many Neutrons?

a)

35

b)

80

c)

45

d)

8

7.

Elements in the same period all have the same...

a)

Mass

b)

Valence Electrons

c)

Neutrons

d)

Energy Levels

8.

An electron has what charge?

a)

Positive

b)

Negative

c)

It has no charge (it is neutral)

9.

A neutron has what charge?

a)

Positive

b)

Negative

c)

It has no charge (it is neutral)

10.

A substance that increases the rate of a reaction without being used up during the reaction is called a

a)

catalyst

b)

product

c)

reactant

d)

solute

11.

What is the formula for sulfuric acid?

a)

H2S

b)

HS

c)

H2SO4

d)

H2SO3

12.
Example for physical property
a)
odor
b)
burns in air
c)
reacts with water to create hydrogen gas
d)
rust
13.

Look at the periodic table. What should be the charge on the ion formed by calcium?

a)

+1

b)

+2

c)

-1

d)

-2

14.

Most elements are most stable when their outermost energy levels contain ________ electrons.

a)

2

b)

6

c)

8

d)

18

15.

Predict the charge on this metal cation

a)

+1

b)

-1

c)

+2

d)

-2

16.

Predict the charge on this metal cation

a)

+3

b)

-3

c)

+5

d)

-5

17.

Which answer choice lists evidence of two possible chemical changes?

a)

rusting and freezing

b)

melting and precipitate created

c)

bubbles and precipitate formed

d)

dissolving and evaporating

18.

Select the description of motion from A - B.

a)

Slowing down away from the origin

b)

Speeding up away from the origin

c)

Constant velocity away from the origin

d)

Constant velocity towards the origin

19.

Select the description of motion from A - B.

a)

Slowing down away from the origin

b)

Speeding up away from the origin

c)

Constant velocity away from the origin

d)

Constant velocity towards the origin

20.

What segment of the graph shows no motion, or standing still?

a)

A - B

b)

B - C

c)

C - D

d)

None

21.

Describe the motion from B - C.

a)

Standing still

b)

Constant velocity of 60 m/min

c)

Constant velocity of 0 m/min

d)

Accelerating

22.
A mixture that appears to be evenly mixed throughout:
a)
an atom
b)
a compound
c)
a homogeneous mixture
d)
a heterogeneous mixture
23.
 A substance that cannot be broken down into any other substance by ordinarychemical means is called —
a)
molecule
b)
mixture
c)
element
d)
compound
24.
1 A substance made up of two or more chemically combinedelements is —
a)
an element
b)
mixture
c)
compound
d)
solution
25.
Two or more physically combined substances form —
a)
a compoud
b)
an acid
c)
an element
d)
a mixture
26.
The blue numbers in the image below represent ________
a)
I don't know, and don't want to try
b)
coefficients
c)
subscripts
d)
none of the answers are correct
27.
The substances at the beginning of a chemical equation are called the ____
a)
product
b)
yield
c)
chemical symbol
d)
reactants
28.
How many Aluminum are in Al2O3?
a)
3
b)
2
c)
5
29.
Balance this equation:
 2Li + Cl2 -> LiCl
a)
2Li + Cl2 -> 4LiCl2
b)
2Li + Cl2 -> LiCl2
c)
2Li + Cl2 -> 2LiCl
30.
Is this equation balanced?
a)
yes
b)
no
c)
Not enough information
31.
Is this equation balanced?
a)
yes
b)
no
c)
Not enough information
32.
Ba+2, Br-1
a)
BrBa
b)
Br2Ba2
c)
BaBr2
d)
Br2Ba
33.
Ca+2, O-2
a)
CaO
b)
OCa
c)
Ca-2O+2
d)
Ca2O2
34.
Ca+2P-3
a)
PCa
b)
P2Ca3
c)
CaP
d)
Ca3P2
35.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
36.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
37.
Why would one ball accelerate more than the other when pushed with the same amount of force?
a)
Different weights
b)
Different forces
c)
Different masses
d)
Different sizes
38.
What can you tell about this object's motion?
a)
Moving to the North (up).
b)
Moving to the South (down). 
c)
Moving to the West (left). 
d)
Moving to the East (right). 
39.

Look at the picture. Who is experiencing a lower pitched sound?

a)

Observer A

b)

Observer B

c)

There is no difference

40.

What is the Doppler Effect?

a)

A change in frequency due to the relative motion of a wave source and an observer

b)

When a wave overlaps with another wave

c)

When a wave bounces off of another object

d)

When a wave bends due to traveling through a different medium

41.

How many electrons are in Potassium?

a)

19

b)

20

c)

58

d)

39

42.

How many neutrons are in Argon?

a)

18

b)

40

c)

58

d)

22

43.

How many protons are in Chlorine?

a)

35

b)

18

c)

17

d)

52

44.

How many VALENCE ELECTRONS does Chlorine have?

a)

2

b)

7

c)

8

d)

10

e)

17

45.

Ionic bonds are formed when electrons get

a)

Shared between two atoms

b)

Removed from both atoms

c)

Transferred from one atom to another

d)

Added to both atoms

46.

Why do elements form chemical bonds?

a)

Because they're friendly

b)

To create a new element

c)

To become stable

d)

Because they all need to gain more electrons

47.

A student placed a pencil in a cup of water. The pencil appears broken because light

a)

always travels in a straight line.

b)

bends when it passes through water.

c)

makes the water in the glass evaporate.

d)

reflects the pencil on the water's surface.

48.
What is this called?
a)
refraction
b)
reflection
c)
reconstroction
d)
retraction
49.

What phase of matter exists in part C of the graph?

a)

Gas

b)

Liquid

c)

Solid

d)

Plasma

50.

What phase of matter exists in part D of the graph?

a)

Gas

b)

Liquid

c)

Solid

d)

Plasma

51.

What phase of matter exists in part E of the graph?

a)

Gas

b)

Liquid

c)

Solid

d)

Plasma

52.

What phase change occurs when you start at D and end at E?

a)

Freezing

b)

Melting

c)

Condensing

d)

Vaporization

53.

What phase change occurs when you start at D and end at C?

a)

Freezing

b)

Melting

c)

Condensing

d)

Vaporization

54.
Protons and neutrons hang out in the nucleus, and are referred to as _____
a)
kernals
b)
bosons
c)
nucleotides
d)
nucleons
55.

What SI Unit is used for Length?

a)

Gram

b)

Foot

c)

Meter

d)

Liter

56.

Which of the following is the SI unit of temperature?

a)

kelvin

b)

degree Celsius

c)

degree Fahrenheit

d)

candela

57.

Which of the following is the SI unit of mass?

a)

gram

b)

kilogram

c)

ounce

d)

pound

58.

Stirring the solution increases the rate of dissolution (rate of dissolving).

a)

True

b)

False

59.

The smaller the particle size the faster the rate of dissolution (rate of dissolving).

a)

True

b)

False

60.

The smaller the particle size the faster the rate of dissolution (rate of dissolving).

a)

True

b)

False

61.
Which of the following statements is true about how using smaller salt crystals would affect the rate of making a salt solution in water?
a)
Smaller crystals increase the surface area and slow down dissolving.
b)
Smaller crystals decrease the surface area and speed up dissolving.
c)
Smaller crystals increase the surface area and speed up dissolving.
d)
Smaller crystals decrease the surface area and slow down dissolving.
62.

Which will dissolve faster? Crushed table salt or a cube of table salt. Assume they have an equal mass.

a)

crushed table salt

b)

crystal of table salt

63.

How many atoms are in C3H6O?

a)

10

b)

9

c)

1

d)

18

64.

How many atoms in (CH3)2CO?

a)

1

b)

10

c)

8

d)

None of the above

65.

Which radioactive element is used to determine the absolute age of late Pleistocene animal remains?

a)

rubidium-87

b)

uranium-238

c)

potassium-40

d)

carbon-14

66.

A sample of wood that originally contained 100 grams of carbon-14 now contains only 25 grams of carbon-14. Approximately how many years ago was this sample part of a living tree?

a)

2,850 years

b)

5,700 years

c)

11,400 years

d)

17,100 years

67.
What Unit do we Measure Force in? 
a)
Newtons
b)
Joules
c)
Mass
d)
Kilograms
68.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
friction 
69.

Newtons could be used to measure __________ and __________.

a)

mass, speed

b)

momentum, work

c)

force, weight

d)

direction, power

70.
How is carbon-12 different from carbon-14?
a)
They have a different number of protons
b)
they have a different number of electrons
c)
they have a different number of neutrons
d)
they are different elements
71.
What can you conclude about carbon-14 from its name?
a)
It has 14 electrons
b)
it has 14 neutrons
c)
it has 14 protons
d)
it has an atomic mass of 14 u
72.

What is the effect of one negatively charged object and one positively charged object coming close to each other.

a)

The objects repel each other.

b)

The objects attract each other.

73.

SI unit for weight

a)

Pound

b)

Liter

c)

Newton

d)

Second

74.

Acceleration is measured in

a)

m/d3

b)

g/n

c)

m/s2

d)

k/j2

75.

All of these are measured in joules EXCEPT

a)

Work

b)

Potential Energy

c)

Kinetic Energy

d)

Weight

76.

Work is measured in

a)

Joules

b)

Watts

c)

Seconds

d)

Meters

77.
The element _______is found in all of the organic compounds.
a)
Iron
b)
Nitrogen
c)
Carbon
d)
Oxygen
78.

The force that pushes a plane upward

a)

lift

b)

thrust

c)

weight

d)

drag

79.

The force that pulls the plane downward

a)

lift

b)

thrust

c)

weight

d)

drag

80.

When lift equals weight, what happens during flight?

a)

The plane goes higher

b)

The plane stays the same altitude

c)

The plane goes down

81.

How many valence electrons does Nitrogen Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

82.

How many valence electrons does Magnesium Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

83.

How many valence electrons does Aluminum Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

84.

How many valence electrons does Potassium Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

85.

The pH scale is a range from

a)

1 to 7

b)

0 to 14

c)

1 to 14

d)

1 to 20

86.

Which statement is true?

a)

the lower the pH, the stronger the acid

b)

the higher the pH, the stronger the acid

c)

the lower the pH, the more neutral the acid

d)

the higher the pH, the weaker the alkali

87.

A very strong acid would have a pH of

a)

1

b)

7

c)

9

d)

14

88.

Which pH number below reflects a weak base?

a)

1

b)

6

c)

8

d)

13

89.

Which pH number below reflects a strong base?

a)

1

b)

6

c)

8

d)

13

90.
If you cut a magnet in half, what happens to the poles?
a)
One half gets the North Pole, the other half gets the South Pole
b)
Both halves get only a North Pole
c)
Both halves get only a South Pole
d)
Both halves get a North pole and a South Pole
91.
Elements on the LEFT side of the periodic table will most likely form:
a)
Positive ions
b)
Negative ions
c)
Neutral Ions
d)
None of these
92.
What is the formula of Sodium oxide?
a)
Na2O
b)
NaO2
c)
Na2O2
d)
Na2O
93.
A 3-D geometric arrangement of particles in which each positive ion is surrounded by negative ions and each negative ion is surrounded by positive ions; vary in shape due to sizes and relative numbers of the ions bonded
a)
crystal lattice
b)
electron sea model
c)
lattice energy
d)
delocalized electron
94.

The following properties are all characteristics of ionic compounds EXCEPT

a)

high melting and boiling points

b)

soft

c)

crystal lattice structure

d)

conduct electricity when dissolved in water

95.
Number 2 represents a ________
a)
solid
b)
liquid
c)
gas
d)
plasma
96.
Particles in a _____________ are tightly packed together.
a)
solid
b)
liquid
c)
gas
d)
plasma
97.

Complete the law:


For every action, there is an ____________ reaction.

a)

equal and opposite

b)

equal

c)

opposite

d)

bigger and better

98.
An archer shoots an arrow. The action force is the bowstring against the arrow, the reaction force is...
a)
Air resistance against the bow
b)
the arrow's push against the bowstring
c)
the grip of the archer's hand on the bow
99.

Your friend pushes you for making fun of him/her. What is the reaction force?

a)

You pushing back on your friend

b)

You pushing on the ground

c)

There is no reaction force

d)

Your friend pushing on the ground

100.
This pictures simulates what type of reaction?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
101.

What is the type of reaction shown above?

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

102.
What type a reaction is taking place in this picture?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
103.

Which type of reaction is shown?

a)

Combustion

b)

single replacement

c)

double replacement

d)

decomposition

104.

Objects that are less dense than the water

a)

float

b)

sink

105.

Objects that are denser than water

a)

float

b)

sink

106.

Elements in the shaded area can best be described as -

a)

Shiny and brittle

b)

Insulators

c)

Good conductors

107.

Elements in the shaded area can best be described as -

a)

Malleable

b)

Brittle

c)

Dull

d)

Insulators

108.
Look at the periodic table that is provided. Where would nonmetals be located? 
a)
to the left of the table 
b)
to the right of the table 
c)
in the zigzag line 
109.

The bottom part of the wave is called trough.

a)

True

b)

False

110.

The highest part of the wave is called the _______________.

a)

Amplitude

b)

Wavelength

c)

Trough

d)

Crest

111.

_________________________ is the distance between a point on one wave and the identical point of the next wave.

a)

Amplitude

b)

Frequency

c)

Crest

d)

Wavelength

112.

The amplitude measures from

a)

Crest to Crest

b)

Crest to Rest Position

c)

Crest to wavelength

d)

Crest to Trough

113.

The area of magnetic force around a magnet is known as its _____________.

a)

magnetic field

b)

magnetic declination

c)

magnetic fan lines

d)

magnetic tan lines

114.

The strongest part of a magnet is...

a)

the bars .

b)

the force field.

c)

the poles.

d)

the middle.

115.
Gain or lose electrons
a)
Ionic Bonds
b)
Covalent Bonds
c)
Both bonds
d)
Neither bond
116.
This picture shows a...
a)
Ionic Bond
b)
Covalent Bond
c)
Both bonds
d)
Neither bond
117.

What makes an atom "happy"?

a)

Forming a bond

b)

Giving or taking electrons

c)

Sharing electrons

d)

Having a complete outer shell

118.

What type of bonding does this picture show?

a)

Ionic

b)

Covalent

119.
A force of 90N is applied to each cart below, which one will accelerate the fastest?
a)
Cart 1
b)
Cart 2
c)
Cart 3 
d)
Cart 4
120.

To calculate a

a)

a = Force × m

b)

a = Force ÷ m

c)

a = Force + m

d)

a = m ÷ Force

121.

Force = 20 N and Mass = 4 kg. Calculate the acceleration.

a)

80 N

b)

80 ms-2

c)

5 ms-2

d)

0.2 ms-2

122.

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

123.

The picture shows an electrical circuit. This circuit is a series circuit because:

a)

It has 3 light bulbs.

b)

The same current flows through all three light bulbs.

c)

It uses a single battery.

d)

The electrical current is divided between the three light bulbs.

124.

What will happen if one light bulb is removed from this circuit?

a)

The other bulbs will go out.

b)

The other bulbs will stay on

c)

The other bulbs will get dimmer.

d)

The battery will become stronger.

125.

Look at the picture of the series circuit here. When one light bulb is removed from series circuit, will the second light bulb still light on?

a)

Yes

b)

No

c)

I am not sure

126.

In a parallel circuit, if one of the light bulbs burns out, the rest _________.

a)

stop the flow of electric current

b)

can still light up

c)

of the light bulbs burn out also

d)

of the bulbs become dim

127.

In each of the following cases, determine where the car has no acceleration?

a)

A car speeds up after a stoplight turns green.

b)

A car slows down as it approaches a red light

c)

A car with the cruise control set at 80 km/h going down a straight highway

d)

A car turning a curve at a constant speed

128.
As you walk you make a right turn. Do you have acceleration? 
a)
yes 
b)
no
129.
When a car goes around a corner at 20 mph, why do we say it  accelerates?
a)
The car is accelerating because of the velocity is constant
b)
The car accelerates because it's going 20 mph
c)
Cars always accelerate when they are in motion
d)
The car is accelerating because it's changing direction
130.

Which is not an example of a pure substance

a)

Atom

b)

Solution

c)

Molecules

d)

compound

131.

Classify this substance

a)

Pure element

b)

Mixture of elements

c)

Pure compound

d)

Mixture of compounds

132.

Classify this substance

a)

Pure element

b)

Mixture of elements

c)

Pure compound

d)

Mixture of compounds

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