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Physical Science Final Exam Review

Total questions: 100

Worksheet time: 2hrs 51mins

Name
Class
Date
1.

Car A has a mass of 1200 kg and a speed of 31 m/s. Car B has a mass of 1800 kg and a speed of 25 m/s. Which car has the greatest kinetic energy?

a)

Car A because kinetic energy is directly proportional to the square root of speed

b)

Car A because kinetic energy is directly proportional to the square of speed

c)

Car B because kinetic energy is directly proportional to the square root of speed

2.

How are the processes of melting and boiling similar?

a)

They are both processes that increase particle density of substance.

b)

They are both processes that chemically change a substance.

c)

They are both processes where heat is released by a substance.

d)

They are both processes where heat is absorbed by a substance.

3.

Which element is classified as a metal?

a)

S

b)

Si

c)

N

d)

Na

4.

Which element is this?

a)

Calcium

b)

Chlorine

c)

Silicon

d)

Potassium

5.

Which Bohr model represents Neon?

a)
b)
c)
d)
6.

How many electron energy levels does this element have?

a)

1

b)

2

c)

3

d)

0

7.

What is the mass of this atom?

a)

13

b)

14

c)

27

d)

1

8.

How many electrons are in the outermost energy level of this atom?

a)

13

b)

14

c)

27

d)

3

9.
The ability to burn is a ___ property.
a)
physical
b)
chemical
c)

conservative

d)
reversed
10.

Dissolving a solid into a liquid is a ___.

a)

physical change

b)

chemical change

c)

physical property

d)

chemical property

11.

Which of the following pairs would most likely form an ionic compound?

a)

nitrogen and fluorine

b)

sodium and fluorine

c)

phosphorus and chlorine

d)

nitrogen and chlorine

12.

The compound MgSO4 is called:

a)

magnesium sulfate

b)

magnesium sulfur tetra oxide

c)

magnesium sulfide

d)

magnesium sulfoxide

13.

The formula for copper (I) acetate is:

a)

CuC2H3O2

b)

Cu2C2H3O2

c)

CuCHO

d)

Cu2CO3

14.
How many atoms of carbon (C) are in C6H12O6?
a)
3
b)
6
c)
12
d)
24
15.
Which of the following shows the correct way to balance the chemical equation?
Fe + O2 -> Fe2O3
a)
4Fe + 3O2 -> 2Fe2O3
b)
2 Fe + 3O2 -> Fe2O6
c)
4 Fe + O6 -> 2Fe2O3
d)
None of the options are correctly balanced.
16.
Which of the following reactions is balanced?
a)
2CH4 + O2 -> CO2 + H2O
b)
CH4 + 2O2 -> CO2 + H2O
c)
CH4 + 2O2 -> CO2 + 2H2O
d)
None of the chemical equations are balanced.
17.

A man jogs at a velocity of .25 m/s west for 1,200 s. He then walks at a velocity of 1.0 m/s east for 500 s and then stops to rest. What is the displacement of the man when he stops to rest?

a)

3,500 m west

b)

3,000 m west

c)

2,500 m west

d)

700 m west

18.
 Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?
a)
800
b)
400
c)
0
d)
200
19.

Based on the graph, which of the following is true?

a)

they are all moving at a constant speed

b)

they are all changing their speed

c)

they are all stopped

d)

they are all slowing down

20.

Based on the graph, which car has the greatest speed?

a)

1

b)

2

c)

3

d)

4

21.
Acceleration occurs when an object changes its speed or ______.
a)
direction
b)
force
c)
inertia
d)
mass
22.

A 1,500-kg truck has a net force of 4,200 N acting on it. What is the truck’s acceleration?

a)

6,300,000 m/s2

b)

27 m/s2

c)

2.8 m/s2

d)

0.36 m/s2

23.

Calculate the net force of the object in the image shown.

a)

20 N left

b)

35 N left

c)

5 N left

d)

5 N right

24.
The forces represented by the arrows in the diagrams are applied to the four objects that are at rest on a table. Which object is most likely to move to the right?
a)
Object W
b)
Object X
c)
Object Y
d)
Object Z
25.

A 1,500-kg truck moves east at 27 m/s. What is the truck's momentum?

a)

40,500 kg*m/s

b)

56 kg*m/s

c)

546,750 kg*m/s

d)

0.018 kg*m/s

26.
If Bob walks 2 blocks east, 4 blocks south, and 2 blocks west, what distance has he traveled?
a)
2 blocks
b)
4 blocks
c)
8 blocks
d)
6 blocks
27.
If you push a book across a table, which of the following describes the reaction force?
a)
Book pushes on the table
b)
Book pushes on you
c)
Table pushes on book
d)
You push the table
28.
Which of the elements is listed as a metalloid?
a)
Carbon
b)
Antimony
c)
Sulfur
d)
Helium
29.
Which material would be classified as homogeneous?
a)
Stainless steel bolt
b)
Granite rock
c)
Soda pop
d)
Apple
30.
What phase change occurs during segment IV of the graph?
a)
solid to liquid
b)
solid to gas
c)
liquid to gas
d)
liquid to solid
31.
Which element could have the dot diagram shown?
a)
carbon
b)
helium
c)

manganese

d)
potassium
32.
How many valence electrons does a phosphorus atom contain?
a)
5
b)
7
c)
9
d)
15
33.
An element is placed in Group 1 period 8. Which statement describes the element?
a)
The element has a -1 oxidation number.
b)
The element will form an ion with a +1 charge.
c)
The element has two valence electrons.
d)
The element is a gas.
34.
What is the correct chemical formula for magnesium phosphate?
a)
Mg3P
b)
MgPO4
c)
Mg3PO4
d)
Mg3(PO4)2
35.
What is the coefficient of iron (Fe) when the following chemical equation is balanced?
Fe + Cl2 --> FeCl3
a)
1
b)
2
c)
3
d)
4
36.
Which pH would indicate the most acidic substance?
a)
2
b)
4
c)
10
d)
14
37.
Why does a metal spoon feel colder to the touch than a wooden spoon at the same temperature?
a)
metals have a lower boiling point than wood
b)
metals transfer more thermal energy
c)
wood is a better reflector of radiant energy
d)
wood has less mass than metal
38.
Which combinations of elements will form an ionic bond?
a)
carbon and hydrogen
b)
chlorine and magnesium
c)
chlorine and fluorine
d)
hydrogen and oxygen
39.
What is the name of Na2CO3?
a)
sodium(II) carbon oxide
b)
sodium carbonate
c)
disodium carbonate
d)
sodium carbon oxide
40.
Copper wire has a set resistance. Which of the following changes would provide less resistance?
a)
a longer copper wire of the same thickness
b)
a thinner copper wire of the same length
c)
a thicker copper wire of the same length
d)
increase in temperature of the wire
41.
What is the current in a circuit that has a voltage of 120 volts and a resistance of 2 ohms?
a)
240 amps
b)
60 amps
c)
40 amps
d)
0 amps
42.
A student saw a woolen sweater was clinging to a silk scarf. Why are they clinging together?
a)
The static charge on both pieces of clothing is the same
b)
The static charge of both is positive
c)
The static charge of both is negative
d)
The static charge of one piece is positive, the other negative
43.
Which of the following wave types has the highest frequency?
a)
visible light
b)
ultaviolet
c)
x-rays
d)
radio waves
44.
Which type of wave can travel in a vacuum?
a)
Sound
b)
Mechanical
c)
Surface
d)
Electromagnetic
45.
Which statement is true for all types of waves in all circumstances?
a)
Wave speed is determined by frequency
b)
Wave speed increases as wavelength increases
c)
Wave motion transports particles of matter
d)
Wave motion transfers energy from one place to another
46.

Mass, relative density, solubility, color, texture, state of matter, conductivity, etc.

a)

Physical state

b)

Chemical properties

c)

Physical Properties

d)

Inferences

47.
What is the definition of Melting / freezing point
a)
the temperature at which a substance changes from a liquid to a solid or a solid to a liquid by the loss or addition of heat; for water this temperature is 0°C
b)
the decimal measuring system based on the meter, liter, and gram as units of length, volume (capacity), and weight or mass
c)
a combination of two or more substances that can be easily separated in some physical way
d)
properties of matter that can be observed, measured, or changed without changing the matter itself
e)
floating or sinking when compared to water
48.
Cookies and cream ice cream would be classified as
a)
A homogenous mixture
b)
A heterogenous mixture
c)
An element
d)
A compound
49.
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
50.

The chart shows the density of five gases. A gas has a volume of 4.52 L. If its mass is 8.05 g, what is the identity of the gas?

a)

helium

b)

neon

c)

argon

d)

krypton

51.

Which substance is most likely classified as a colloid?

a)

soft drink

b)

oxygen gas

c)

water

d)

fog

52.

This chart lists the densities of various gemstones. A gemstone has a mass of 6.24 g and a volume of 1.98 cm3. What is the identity of the gemstone?

a)

opal

b)

diamond

c)

garnet

d)

topaz

53.

Which situation provides the best evidence that a chemical reaction is taking place?

a)

a metal strip bends when heated

b)

a solution freezes in the freezer

c)

two solutions mixed in a beaker produce a solid

d)

a chemical completely dissolves in a water and the temperature of the solution remains constant

54.

A teacher wants to demonstrate a chemical reaction to her students. Which activity would best demonstrate a chemical reaction?

a)

placing a metal in an acid to create a gas

b)

measuring the densities of liquid water and ice

c)

melting a solid piece of aluminum

d)

filling a balloon with helium gas

55.

An atom has 29 protons, 29 electrons, and 35 neutrons. What is the mass number of the atom?

a)

29

b)

35

c)

64

d)

93

56.

How many protons are there in an atom of Boron?

a)

4

b)

5

c)

11

d)

10

57.

Which describes an atom with an atomic number of 9?

a)

10 protons, 9 neutrons

b)

9 protons, 10 neutrons

c)

4 protons, 5 neutrons

d)

3 protons, 3 neutrons

58.

Which groups are the most chemically reactive?

a)

Alkali Metals (1) & Halogens (17)

b)

Alkali Metals (1) & Transition Metals (3-12)

c)

Transition Metals (3-12) & Halogens (17)

d)

Metalloids (13-15) & Noble Gases (18)

59.

If an atom has 10 protons and 12 neutrons what is the mass number?

a)

22

b)

10

c)

12

d)

2

60.

What do the dots on this diagram represent?

a)

valence electrons

b)

all electrons

c)

protons

d)

neutrons

61.

How many valence electrons does Fluorine (F) have?

a)

7

b)

9

c)

17

d)

18

62.

Which two elements have the same number of valence electrons?

a)

C and O

b)

Na and Mg

c)

Cl and F

d)

Ga and Ge

63.

How many valence electrons are in a neutral atom of nitrogen (N)?

a)

2

b)

3

c)

5

d)

15

64.

Which pair of elements has the most physical and chemical properties in common?

a)

Ge and Se

b)

K and Kr

c)

Al and Ga

d)

Ba and Bi

65.

The three main types of nuclear radiation are alpha, beta, and gamma. Which of the following lists these types of radiation from highest penetrating power to lowest penetrating power?

a)

alpha, gamma, beta

b)

beta, alpha, gamma

c)

beta, gamma, alpha

d)

gamma, beta, alpha

66.

Which of the following statements accurately describes alpha particles in terms of charge and mass?

a)

Alpha particles are positively charged and less massive than beta particles.

b)

Alpha particles are negatively charged and

less massive than beta particles.

c)

Alpha particles are positively charged and

more massive than beta particles.

d)

Alpha particles are negatively charged and

more massive than beta particles.

67.
 Fermium-253 has a half-life of 0.334 seconds. A radioactive sample is considered to be completely decayed after 10 half-lives. How much time will elapse for this sample to be considered gone?
a)
0.334 seconds
b)
3.34 seconds
c)
1.77 seconds
d)
13.4 seconds
68.
How many HCl molecules do you need to balance this equation? 
Mg +  __HCl --->  MgCl2 + H2
a)
1
b)
2
c)
3
d)
4
69.
4Si + S8 --> 2Si2S4
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Double displacement
70.
3Ca + 2AlCl3 --> 3CaCl2 + 2Al
a)
Synthesis
b)
Decomposition
c)
Single diplacement
d)
Double displacement
71.
3KOH + H3PO4 --> K3PO4 + 3H2O
a)
Synthesis 
b)
Decomposition
c)
Single displacement
d)
Double displacement
72.
2NO2 --> N2 + 2O2
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Combustion
73.

Which of the following is an ionic compound:

a)

CH4

b)

I2

c)

CO

d)

LiBr

74.

The proper formula for magnesium hydroxide:

a)

Mg(OH)2

b)

Mg2OH

c)

MgOH2

d)

Mg2OH2

75.

The ions for K and N will form what compound?

a)

KN

b)

K2N3

c)

K3N

d)

KN3

76.

Electrons are being shared between atoms in a certain compound. Which elements could most likely form this compound?

a)

Iron (Fe) and oxygen (O)

b)

Sulfur (S) and chlorine (Cl)

c)

Lithium (Li) and fluorine (F)

d)

Aluminum (Al) and iodine (I)

77.

Which of these elements is the most chemically reactive?

a)

beryllium (Be)

b)

calcium (Ca)

c)

Strontium (Sr)

d)

radium (Ra)

78.

A jogger travels 5000 m in 1200 seconds. Calculate the jogger’s average speed in m/s. Choose correct formula:

v = d/t or a = vf - vi /t

a)

0.24 m/s

b)

3,800 m/s

c)

3.17 m/s

d)

4.17 m/s

79.

Why does the weight of an object change with increasing elevation on Earth?

a)

The mass of the object decreases with higher elevation.

b)

The force of gravity acting on the object increases with higher elevation.

c)

The force of gravity acting on the object decreases with higher elevation.

d)

The mass of the object increases with higher elevation.

80.

The diagram shows a board on top of two bricks with a cylinder on top of the board. The board exerts an upward force of 50 N. Which best explains this situation?

a)

The board has a weight of 50 N

b)

The cylinder has a weight of 50 N

c)

The combined weight of the two bricks is 50 N

d)

The combined weight of the bricks, board, and cylinder is 50 N

81.

A 100 kg student kicks a 1.4 kg ball with a force of 450 N. What force does that ball apply on the student?

a)

4.5 N

b)

300 N

c)

450 N

d)

675 N

82.

A large rock has a mass of 750 kg. What is its weight?

a)

76.5 N

b)

740.2 N

c)

759.8 N

d)

7,350 N

83.

A 1,500-kg truck has a net force of 4,200 N acting on it. What is the truck’s acceleration?

a)

6,300,000 m/s/s

b)

2,700 m/s/s

c)

2.8 m/s/s

d)

0.36 m/s/s

84.

Why does a student’s hand feel cold when holding an ice cube?

a)

Heat flows from the ice cube to the hand.

b)

Heat flows from the hand to the ice cube.

c)

Cold flows from the hand to the ice cube.

d)

Cold flows from the ice cube to the hand.

85.

Which describes the kinetic energy of a ball in free fall?

a)

The kinetic energy remains the same while the velocity increases.

b)

The kinetic energy decreases because the velocity increases.

c)

The kinetic energy increases because the velocity increases.

d)

The kinetic energy remains the same while the velocity decreases.

86.

It takes 6.0 seconds for a pulley system to lift a crate weighing 300. N to a height of 5.0 meters. How much power is required to life the crate?

a)

360 W

b)

250 W

c)

10 W

d)

0.1 W

87.

An object has a mass of 12.8 kg and a velocity of 8.4 m/s. What is the kinetic energy of the object?

a)

53.8 J

b)

107.5 J

c)

451.6 J

d)

903.2 J

88.

Where would this tossed baseball have the least amount of kinetic energy?

a)

point W

b)

point X

c)

point y

d)

point z

89.

Where would this tossed baseball have the greatest amount of kinetic energy?

a)

point W

b)

point X

c)

point y

d)

point z

90.

A ball with a mass of 5 kg is dropped from a resting position of 10 m above the ground. What is the potential energy of the ball just before it is dropped?

a)

0J

b)

49J

c)

98J

d)

490J

91.

A 5000N block is lifted 10 m. How much work was done? (W=Fxd)

a)

50000 J

b)

5000 J

c)

500 J

d)

50 J

92.

How much power is required to do 180 J in 2.4 s? P=W/t

a)

7.5 W

b)

178W

c)

75 W

d)

430 W

93.

How do radio waves and visible light waves differ?

a)

Radio waves have a shorter wavelength than visible light waves.

b)

Radio waves move faster than visible light waves.

c)

Radio waves have a lower frequency than visible light waves.

d)

Radio waves have more energy than visible light waves.

94.

A flashlight bulb connected to a 6 V battery draws 0.5 A current. What is the power used by the flashlight?

a)

1.25 W

b)

3 W

c)

6.5 W

d)

12 W

95.

This diagram represents a closed circuit with three light bulbs and a 10-volt battery. If bulb 3 burns out in the circuit, what will most likely happen?

a)

bulb 1 and bulb 2 will continue to glow

b)

bulb 1 and bulb 2 will not glow as brightly

c)

bulb 1 will glow but bulb 2 will not glow

d)

bulb 1 and bulb 2 will not glow

96.

A series circuit has a current of 3 A. The circuit contains a 12 Ω resistor. What is the voltage of the circuit?

a)

0.25 V

b)

4 V

c)

15 V

d)

36 V

97.

What makes an electromagnet stronger?

a)

greater number of loops

b)

smaller number of loops

c)

decreasing the current

d)

decreasing the voltage

98.
Thicker wires have _______ resistance than thinner wires.
a)
more
b)
less
c)
the same
99.
As the resistance in a circuit increases, the electric current __________.
a)
increases
b)
decreases
c)
stays the same
100.
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.

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