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Physical Science Final Exam Review

Total questions: 73

Worksheet time: 1hrs 9mins

Name
Class
Date
1.

If the unequal and opposing forces are applied to the cart at the same time, what will occur?

a)

The cart will move to the left.

b)

The cart will move to the right.

c)

The cart will alternate between moving to the left and the right.

d)

The cart will remain stationary.

2.

The equation used to find acceleration is a = ____.

a)

vf - vi/t

b)

v/t

c)

vi - vf/t

d)

vi + vf/t

3.
The function of a generator is to change ____.
a)
chemical energy to electrical energy 
b)
electrical energy to chemical energy 
c)
electrical energy to mechanical energy 
d)
mechanical energy to electrical energy
4.

Iron being magnetic is an example of a...

a)

Physical Property

b)

Chemical Property

5.

Iron rusting is an example of a...

a)

Physical Property

b)

Chemical Property

6.
How many valence electrons does aluminum (Al) have?
a)
1
b)
2
c)
3
d)
4
7.

Soil and air are an example of a...

a)

Solution

b)

Colloid

c)

mixture

8.

Copper is an example of a

a)

Compound

b)

Element

c)

Heterogeneous Mixture

d)

Homogeneous Mixture

9.
How many protons does Carbon have?
a)
6
b)
12
c)
8
d)
4
10.

Radio waves are classified as

a)

Longitudinal waves

b)

Transverse Waves

c)

Surface Waves

11.
which point has the most potential energy
a)
G
b)
f
c)
b
d)
a
12.
What is the transfer of heat by direct contact?
a)
Convection
b)
Electromagnetic waves
c)
Radiation
d)
Conduction
13.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
14.

To accelerate a 6 kg mass at 2 m/s2 requires a net force of________.

a)

3 N

b)

6 N

c)

12 N

d)

0.33 N

15.

Identify which of the following equations is BALANCED:

a)

Zn + 2HCl → ZnCl2 + H2

b)

HgO → Hg + O2

c)

H2 + Fe3O4→ Fe + H2O

d)

NaCl → Na + Cl2

16.

Ammonia has a pH of 11, so it is classified as:

a)

neutral

b)

acidic

c)

basic

d)

an indicator

17.

Determine the net force acting on the object and the direction the object will move in.

a)

18 N, Right

b)

10 N, Right

c)

2 N, Right

d)

2 N, Left

18.
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 
a)
Both the potential energy and kinetic energy decrease
b)
The potential energy decreases while the kinetic energy increases 
c)
The kinetic energy decreases while the potential energy increases 
d)
Bothe the potential energy and kinetic energy increase 
19.
What kind of wave moves at right angles to the direction of the wave?
a)
compressional waves
b)
mechanical waves
c)
transverse waves
d)
ultraviolet rays
20.
One end of the rope is vibrated to produce a wave with a wavelength of .25 m.  The Frequency of the wave is 3.0 Hz.  What is the speed of the wave?
a)
3.00 m/s
b)
2.50 m/s
c)
.75 m/s
d)
1.25 m/s
21.
 A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?
a)
500 m/s
b)
50 m/s
c)
5 m/s
d)
0.5 m/s
22.
When a wave bends as it passes through at an angle from one medium to another.(example: pencil in a glass of water-)
a)
medium
b)
refraction
c)
reflection
d)
interference
23.
Where is Potential Energy the greatest?
a)
A
b)
F
c)
D
d)
G
24.
A drag racer accelerated from 0 m/s to 200 m/s in 5 s.  What was the acceleration?
a)
0 m/s
b)
40 m/s2
c)
-40 m/s2
d)
40 m/s
25.
Calculate the work done on a 12 N backpack that is lifted 1.5 m.
a)
18 J
b)
0 J
c)
8 J
d)
180 J
26.
If 68 Joules were necessary to move a 4 Newton crate, how far was the crate moved?
a)
272 m
b)
17 m
c)
4.05 m
d)
272 cm 
27.
How much work is produced when 350 N is used to move a car 5 m?
a)
70 J
b)
1750 J
c)
355 J
d)
175 J
28.
A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?
a)
24 m/s2
b)
18 m/s2
c)
16 m/s2
d)
16 m/s
29.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
30.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
31.
W = 500 Joules 
t = 25 seconds
P = ???
a)
0.05 W
b)
20 W
c)
12500 W
d)
2000 W
32.
A girl accelerates from 10 m/s to 50 m/s in 2 seconds. What is the acceleration?
a)
10 m/s2
b)
40 m/s2
c)
25 m/s2
d)
20 m/s2
33.

Which color in the visible light spectrum is the longest?

a)

yellow

b)

red

c)

violet

d)

green

34.

Which of the following correctly matches the group number with the number of valence electrons?

a)

group 1 has 3 valence electrons

b)

group 2 has 4 valence electrons

c)

group 16 has 6 valence electrons

d)

group 17 has 8 valence electrons

35.

Which group in the periodic table will form +2 ions in order to become stable?

a)

group 1

b)

group 2

c)

group 16

d)

group 17

36.
Your family rents a cabin without electricity. Which device would help charge the cell phones and the laptop?
a)
generator
b)
insulator
c)
resistor
d)
voltmeter
37.
What is the net force on the object?
a)
10 N right
b)
500 N right
c)
950 N right
d)
50 N left
38.
What is the net force on the object?
a)
900 N left
b)
900 N right
c)
450 N left
d)
450 N right
39.
What is the net force on the object?
a)
25 N right
b)
20 N right
c)
5 N right
d)
45 N right
40.
Which explains why the fork looks different under water?
a)
light can't pass through the glass
b)
the wavelength of light lengthens
c)
the amount of light increases when going through water
d)
light is refracted at an angle
41.

The bending of waves as they pass from one substance into another, which can make you think a lake is not as deep as it really is, is known as

a)

Reaction

b)

Reflection

c)

Refraction

d)

Repost

42.

When the temperature of water increases from boiling, the kinetic energy of 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

43.

Which of these equations is correctly balanced?

a)

CH4 + 2 O2 -> CO2 + 2 H2O

b)

CH4 + O2 -> CO2 + 2 H2O

c)

3 CH4 + 2 O2 -> 3 CO2 + 2 H2O

d)

CH4 + O2 -> CO2 + H2O

44.
4Si + S8 --> 2Si2S4
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Double displacement
45.
3Ca + 2AlCl3 --> 3CaCl2 + 2Al
a)
Synthesis
b)
Decomposition
c)
Single diplacement
d)
Double displacement
46.
2Pb(NO3)2 --> 2PbO + 4NO2 + O2
a)
Synthesis 
b)
Decomposition
c)
Single displacement
d)
Combustion
47.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
48.

How many valence electrons does lithium have?

a)

8

b)

3

c)

4

d)

1

49.

A covalent bond is formed between

a)

a metal and a nonmetal

b)

two nonmetals

c)

two metalloids

d)

no elements

50.

Holly has an unknown substance in a beaker. She wants to determine the relative pH of the unknown substance. She places a piece of red litmus paper into the substance, and the litmus paper turns blue. The substance feel slipper like soap. The substance in the beaker

a)

is a base.

b)

has a neutral pH.

c)

is an acid.

d)

does not have a pH.

51.
Which of the following statements is correct?
a)
Blue litmus paper turns red when placed in a base.
b)
Red litmus paper turns blue when placed in a base.
c)
Blue litmus paper stays blue when placed in an acid.
d)
Red litmus paper stays red when placed in a base.
52.

The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been?

a)

3

b)

8

c)

7

d)

5

53.
How many protons does an Aluminum atom have? (use the picture to help you)
a)
27
b)
13
c)
14
d)
40
54.
A sports car can go from 0 to 60 mph in 14 seconds. What is the acceleration?
a)
4.29 m/s2
b)
-4.29 m/s2
c)
2.33 m/s2
d)
-2.33 m/s2
55.

A bus traveling at 45 km/hr comes to rest in 48 seconds. What is the acceleration?

a)

-.94 m/s2

b)

9000 m/s2

c)

0.01 m/s2

d)

-0.01 m/s2

56.

When you boil water, what happens that allows the liquid to turn into gas?

a)

The molecules have a lot of energy and overcome forces that hold them together.

b)

The molecules form strong bonds and can then evaporate.

c)

The molecules have very little energy and disperse in a gas.

57.
A rock that falls from a cliff has both potential and kinetic energy. Which is the BEST comparison of the energies? 
a)
as the potential energy decreases, the kinetic energy decreases
b)
as the kinetic energy increases, the potential energy decreases
c)
kinetic energy is one-half of the potential energy 
d)
potential energy is one-fourth of the kinetic energy 
58.
Half-life is
a)
the name of an awesome video game
b)
the amount of time needed for half a radioactive sample to decay
c)
about 40 years for most men.
d)
the time needed for  all of a sample to decay
59.
Which process involves the splitting of large nuclei?
a)
Beta decay
b)
Alpha decay
c)
Nuclear fission
d)
Nuclear fusion
60.

Which radiation has the highest penetrating power?

a)

alpha

b)

gamma

c)

beta

61.

Which radiation has the lowest penetrating power?

a)

alpha

b)

beta

c)

gamma

62.
This is an example of...
a)
Fission  reaction
b)
Fusion reaction
c)
Decomposition reaction
d)
Decay
63.
A material that can stop alpha radiation is
a)
lead
b)
paper
c)
sunscreen
d)
wood
64.
The type of radioactive particle that can be stopped by a sheet of paper is the ____.
a)
alpha particle
b)
beta particle
c)
gamma ray
d)
uranium
65.
The most penetrating type of radiation is the ____.  
a)
alpha particle
b)
gamma ray
c)
beta particle
d)
uranium
66.
With respect to penetrating power, an alpha particle is considered the _________________ and can be stopped by a piece of paper.
a)
weakest
b)
strongest
c)
hard to say
d)
all forms of radiation are equal
67.

What is an Electrical Generator

a)

A device that creates water

b)

A device that converts mechanical energy into electrical energy

c)

A device that makes you go to school

d)

a device that makes kids

68.

If a North pole of a magnet is close to the North pole of another magnet, the 2 poles will

a)

attract

b)

repel

c)

have no effect

d)

explode

69.

A coil of wire spinning around a magnet or a magnet spinning around a coil of wire can produce

a)

another magnet

b)

a circuit

c)

an electric current

d)

a generator

70.

A ________________ produces an electric current when a coil of wire wrapped around an iron core is rotated near a magnet.

a)

electric motor

b)

generator

c)

electromagnet

d)

circuit

71.

Generators change _____________ energy to ____________ energy.

a)

mechanical to chemical

b)

mechanical to electrical

c)

electrical to chemical

d)

electrical to mechanical

72.
Waves, including light waves and s waves, that moves perpendicular to the direction the wave is traveling
a)
Electromagnetic Spectrum
b)
Transverse Waves
c)
Medium
d)
Light Waves
73.

Nickel is an example of a

a)

Compound

b)

Element

c)

Heterogeneous Mixture

d)

Homogeneous Mixture

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