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Physical science final exam review

Total questions: 124

Worksheet time: 2hrs 11mins

Name
Class
Date
1.

A combination of substances that can be physically separated from one another

a)

mixtures

b)

compound

c)

element

d)

molecule

2.

a substance in which the parts are clearly different shapes and colors; different throughout

a)

mixture

b)

homogeneous

c)

heterogeneous

d)

element

3.

a substance in which all of the parts are the same throughout

a)

homogeneous

b)

element

c)

heterogeneous

d)

pure substance

4.
a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds and elements
5.

 Sugar 

a)

 Homogeneous 

 

b)

 Heterogeneous 

c)

 Compound 

d)

Element

6.

 Table Salt (NaCl) 

a)

 Heterogeneous 

b)

 Homogeneous 

c)

 Compound 

d)

 Element 

7.

 Copper 

a)

 Homogeneous 

b)

 Heterogeneous 

c)

Compound

d)

Element

8.

Pure Substances: matter that is always made up of the same combination of atoms.

Elements and compounds can both be considered pure substances.

a)

True

b)

False

9.

_________ is to turn from liquid to vapor or gas.

a)

Melt

b)

Evaporate

c)

Gas

d)

Liquid

10.

_________ is the smallest particle of an element that can exist.

a)

Atom

b)

Evaporate

c)

Gas

d)

Liquid

11.

_________ is a solid, to become liquid.

a)

Melt

b)

Evaporate

c)

Solid

d)

Liquid

12.

_________ is a condition or phase of matter.

a)

Energy

b)

Temperature

c)

Matter

d)

State

13.
Each column in the periodic table is called a 
a)
period
b)
group
c)
cluster
d)
unit
14.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
15.
The horizontal row on the periodic table is called a
a)
group
b)
family
c)
period
d)
atomic number
16.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
17.

Elements in the periodic table are sorted by:

a)

Increasing atomic number

b)

Increasing atomic mass

c)

Alphabetical order

d)

Increasing number of valence electrons

18.

The electrons are the lightest particles in the atom

a)

True

b)

False

c)

They all have the same mass

19.

How many periods are there in the periodic table?

a)

18

b)

9

c)

7

d)

6

20.

Write the symbol of the element Sodium.

(a)  

21.

Write the symbol of the element Potassium.

(a)  

22.

Write the symbol of the element Iron.

(a)  

23.

Write the symbol of the element Manganese.

(a)  

24.
Question Image

Match the following

a)

A

1.

Proton

b)

B

2.

Neutron

c)

C

3.

Electron

d)

D

4.

Shell

e)

E

5.

Nucleus

25.

What is the atomic number of Chlorine (Cl)?

a)

20

b)

17

c)

15

26.
Which of these grouping of elements could have the characteristic of brittle?
a)
Metal
b)
Nonmetal
27.
Which of the following is a good conductor of heat?
a)
Metal
b)
Nonmetal
c)
Metalloid
28.
Iron is a good conductor, malleable and magnetic. What type of element is Iron? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
29.
Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
30.

The figure above shows a periodic table with the position of one element indicated by an X. How would the element in position X be classified?

a)

halogen

b)

metalloid

c)

noble gas

d)

non-metal

31.

This is a picture of silver being heated during the process of forming it into a piece of jewelry. Find Ag on the periodic table. What type of element is Ag?

a)

Metal

b)

Nonmetal

c)

Metalloid

d)

Compound

32.

Sulfur is found on the right-hand side of the periodic table. It is bright yellow, but isn't very shiny. It is brittle and doesn't conduct electricity. What type of element is sulfur?

a)

Metal

b)

Metalloid

c)

Nonmetal

d)

Mixture

33.

What are the shaded elements?

a)

Metals

b)

Nonmetals

c)

Metalloids

34.

Which elements are to the right of the zig zag?

a)

metals

b)

nonmetals

c)

metalloids

35.

Which chemical symbol is written correctly for the element bromine?

a)

bR

b)

BR

c)

Br

d)

br

36.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
37.
The central region of an atom where neutrons and protons are located is the __________________.
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
38.
Particles in an atom that are neutral and have no charge are 
a)
negatrons 
b)
electrons 
c)
neutrons 
d)
protons 
39.
How many neutrons would Fe-56 have?
a)
56
b)
26
c)
30
d)
33
40.
How many protons does P-30 have?
a)
30
b)
16
c)
12
d)
15
41.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
42.
How many protons does this isotope of titanium have?
a)
48
b)
22
c)
26
d)
70
43.
In a correctly written symbol what would be located in the "A" position?
a)
number of neutrons
b)
atomic number
c)
number of electrons 
d)
mass number
44.

What quantities vary between isotopes of an element?

a)

protons, electrons, and atomic mass

b)

protons, electrons, and atomic number

c)

neutrons and electrons

d)

neutrons and mass number

45.

If the number of protons in an atom changes you make a(n) __________________.

a)

ion

b)

isotope

c)

new element

d)

isomer

46.

What is the term for the number of protons plus neutrons in an atom?

a)

Atomic number

b)

Atomic mass

c)

Isotope number

d)

Valency

47.

What is the atomic number of an element?

a)

The number of protons in the nucleus

b)

The number of neutrons in the nucleus

c)

The total number of protons and neutrons in the nucleus

d)

The total number of protons and electrons in an atom

48.

An atom that has a neutral charge has 13 protons how many electrons does it have?

a)

11

b)

0

c)

13

d)

26

49.

A neutral atom has 15 electrons and 17 neutrons. What is the atomic number of this atom?

a)

2

b)

17

c)

15

50.

An atom has a mass number of 53 and has 30 neutrons. Find the number of protons to determine what element this is.

a)

iodine

b)

Vanadium

c)

Zinc

51.

This isotope of Titanium has:

​ (a)   protons

22 electrons

​ (b)   neutrons

mass number of ​ (c)  

Choose from the below words
22
26
48
70
47
21
52.

An atom of Aluminum-27 has:

​ (a)   protons

​ (b)   neutrons

a mass number of ​ (c)  

Choose from the below words
13
14
27
15
12
28
26
53.
Italian Salad Dressing
a)
heterogeneous mixture
b)
homogeneous mixture
54.
What is Kool-aid?
a)
element
b)
Heterogeneous Mixture
c)
Homogeneous Mixture
d)
Compound
55.

What kind of matter is this?

a)

Element

b)

Compound

c)

Mixture

56.

What kind of matter is this?

a)

Element

b)

Compound

c)

Mixture

57.

What kind of matter is this?

a)

Element

b)

Compound

c)

Mixture

58.

What kind of matter is this?

a)

Element

b)

Compound

c)

Mixture

59.

In a ______ mixture, each substance can be easily distinguished.

a)

heterogeneous

b)

homogeneous

60.

_______ can be separated by physical means.

a)

An element

b)

A compound

c)

Pure substances

d)

Mixtures

61.

In a ______ mixture, the material has the same composition throughout.

a)

heterogeneous

b)

homogeneous

62.

Which of the following is an example of a compound?

a)

A

b)

B

c)

C

d)

D

63.

An electric circuit in which the current passes through a single path.

a)

Parallel Circuit

b)

Current Circuit

c)

Series Circuit

d)

Conductor Circuit

64.

The pathway through which electrical current flows

a)

Electric Circuit

b)

insulator

c)

Flows

d)

Electromagnet

65.

An incomplete or broken circuit.

a)

Closed Circuit

b)

Open Circuit

c)

Cracked bulb Circuit

66.

A complete, connected circuit:

a)

Closed Circuit

b)

Conductor Circuit

c)

Open Circuit

67.

What type of circuit is this?

a)

series circuit

b)

parallel circuit

68.

What type of circuit is this?

a)

Series Circuit

b)

Parallel Circuit

69.

A 200-W light bulb is connected across a 100-V dc power supply. What current will flow through this bulb?

a)

0.90 A

b)

0.36 A

c)

0.60 A

d)

2.0 A

70.
Which one will still function if one light bulb goes out?
a)
A-Series
b)
B-Parallel
c)
A-Parallel
d)
B-Seriese
71.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
72.

What is resistance measured in?

a)

Ω (Ohms)

b)

V (Volts)

c)

A (Amps)

d)

W (Watts)

73.
What type of circuit is pictured?
a)
series
b)
parallel
74.

If lamp 1 is unscrewed from its holder, what will happen to lamp 2?

a)

It will get brighter

b)

It will stay the same brightness

c)

It will go out

d)

Nothing will happen

75.

If lamp 2 is unscrewed from its holder, what will happen to lamp1?

a)

It will stay lit

b)

It will go out

c)

It will get dimmer

d)

It will dissapear

76.
This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
a)
3 Amps
b)
192 Amps
c)
2 Amps
d)
4 Amps
77.
With the engine running the charging system produces 14.5 Volts what would the current flow be if a resistance of 6 Ohms was present
a)
2.41 Ohms
b)
2.52 Ohms
c)
2.1 Ohms
d)
0.3333 Ohms
78.
What resistance is needed to cause a 50A current flow because of a 500V battery?
a)
10Ώ
b)
5Ώ
c)
2500Ώ
d)
550Ώ
79.

What is the formula for ohms law?

a)

1+2=3

b)

R X E = I

c)

V =I x R

d)

E= MC squared

80.

An alarm clock draws 0.5 A of current when connected to a 120 volt circuit. Calculate its resistance.

a)

60Ω

b)

120Ω

c)

180Ω

d)

240Ω

81.

A circuit contains a 1.5 volt battery and a lamp with a resistance of 3 ohms. Calculate the current.

a)

0.5A

b)

1A

c)

1.5A

d)

2A

82.

If a toaster produces 12 ohms of resistance in a 120-volt circuit, what is the amount of current in the circuit?

a)

5A

b)

10A

c)

15A

d)

20A

83.

How much voltage would be necessary to generate 10 amps of current in a circuit that has 5 ohms of

resistance?

a)

10V

b)

50V

c)

100V

d)

150V

84.
The blue section of the wave is measuring _________________.
a)
wavelength
b)
crest
c)
trough
d)
amplitude 
85.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
86.
What is a repeating pattern that can transfer energy?
a)
Motif
b)
Prism
c)
Radio
d)
Wave
87.
What is the number of waves that pass a point in one second?
a)
Amplitude
b)
Frequency
c)
Period
d)
Wavelength
88.
These waves from the sun cause sunburn.
a)
Gamma
b)
Microwaves
c)
Radio
d)
Ultraviolet
89.
Increasing the amplitude of a wave, _________ the wave's energy.
a)
increases
b)
decreases
c)
does not change
90.

How are electromagnetic waves different from other waves?

a)

They have short wavelengths

b)

they transmit energy instead of matter

c)

they can travel through empty space

d)

they can change direction by reflection

91.

Which section of the electromagnetic spectrum is the ONLY part humans can see?

a)

X-Rays

b)

Gamma Rays

c)

Visible Light

d)

Ultraviolet Rays

92.

Which electromagnetic waves are used by doctors to detect broken bones inside your body?

a)

X-Rays

b)

Gamma Rays

c)

Ultraviolet Rays

d)

Infrared Rays

93.

What does reflection mean?

a)

Bending Light

b)

Bouncing Light

94.

Of the visible spectrum, what color has the longest wavelength?

a)

Blue

b)

Green

c)

Yellow

d)

Red

e)

Violet

95.

Light is a type of energy that travels as an ______________ ____________.

a)

Longitudinal Wave

b)

Electric Current

c)

Electromagnetic Wave

d)

Magnetic Wave

96.

A prism can be used to...

a)

separate visible light into colors

b)

make a beam of light brighter

c)

measure the speed of light

d)

make UV light visible

97.

What happens when light transitions into a new medium?

a)

Reflection

b)

Absorbing

c)

Refraction

d)

Mirror

98.

A blue dish appears blue because it

a)

absorbs blue light

b)

absorbs white light

c)

reflects white light

d)

reflects blue light

99.

What color of light has the shortest wavelength?

a)

red

b)

indigo

c)

yellow

d)

violet

100.

Why does this apple look red?

a)

The apple reflects red light and absorbs all other colors

b)

The apple absorbs red light and reflects all other colors

c)

The apple reflects all the light shinning on it

d)

The apple is red because we see that color.

101.

What causes the formation of a rainbow?

a)

Light travels in a straight line

b)

Reflection of light

c)

Refraction of light

d)

Light in bounced in two different mediums

102.
Sound is caused by....
a)
molecules
b)
vibrations
c)
people
d)
space
103.
What is volume?
a)
how high or low a sound is
b)
the loudness or softness of a sound
c)
the number of vibrations per second
d)
vibrations
104.
Sound is a form of? 
a)
energy
b)
pitch
c)
volume
105.
Area of a longitudinal wave where particles are CLOSE together.
a)
Compression
b)
Rarefaction
106.
Area of a longitudinal wave where particles are APART. 
a)
Compression
b)
Rarefaction
107.
The reflection of sound waves off of a hard surface can create ______.
a)
A wave
b)
An echo 
108.
Why is sound able to travel faster through a solid than a gas?
a)
Gas molecules are packed tightly.
b)
Sound does not travel faster through a solid than a gas.
c)
Solid molecules are packed tightly.
d)
Gas molecules move slowly.
109.
A soft, low pitch sound would have which of the following....
a)
low frequency 
high amplitude 
b)
high frequency 
high amplitude 
c)
low frequency 
low wavelength  
d)
low frequency
low amplitude 
110.
When an ambulance move TOWARD you it sounds ________ pitched. 
a)
high
b)
low
c)
medium
111.

The amount of energy a wave carries is the _________.

a)

Amplitude

b)

Height

c)

Loudness

d)

Volume

112.

True or False: The higher the pitch, the lower the frequency.

a)

True

b)

False

113.

True or False: According to the Doppler Effect, if a sound source is moving TOWARDS you, the pitch should be getting higher.

a)

True

b)

False

114.
Constructive interference will cause the wave to 
a)
Increase its displacement
b)
Decrease its displacement 
c)
Make its displacement stay the same
115.
What is interference?  
a)
occurs when two or more waves overlap and combine 
b)
occurs when two or more waves combine and neutralize each other 
c)
when one waves travels alone
116.
How loud or soft a sound is, is related to the _____________ of the wave
a)
amplitude
b)
frequency
c)
wave length
d)
rest position
117.
The changing pitch of a police siren as the car moves past you
a)
sound interfernce
b)
doppler effect
c)
constructive interference
d)
destructive interference
118.
Choose the word that belongs in the sentence. A sound wave is a type of ______________ wave.
a)
parallel
b)
transverse
c)
longitudinal
d)
perpendicular
119.

This image depicts which of the following wave behaviors?

a)

Reflection

b)

Refraction

c)

Diffraction

d)

Resonance

120.

The image depicts which of the following wave behaviors?

a)

Resonance

b)

Doppler Effect

c)

Interference

d)

Polarization

121.

The two blue and purple waves will undergo _________________ when they meet.

a)

Constructive interference

b)

Destructive interference

122.

The image of the two waves depicts

a)

Constructive interference

b)

Destructive interference

123.

The two forms that waves can take are...

a)

Transverse

b)

Circular

c)

Diamond

d)

Longitudinal

124.

_________ is highness or lowness of a sound.

a)

Echo

b)

Pitch

c)

Energy

d)

Frequency

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