WorksheetsPhysical Science Spring Exam
Total questions: 98
Worksheet time: 33mins
Name
Class
Date
1.
Refraction occurs when a wave changes its ________ as it passes through a different medium.
a)
color
b)
frequency
c)
intensity
d)
speed
2.
Houses with carpet are much quieter than houses with tile or hardwood floors because of sound wave
a)
absorption
b)
diffraction
c)
reflection
d)
refraction
3.
Which is an example of a longitudinal wave?
a)
X-ray
b)
gamma ray
c)
sound wave
d)
water wave
4.
Increasing the amplitude of a sound wave will make it
a)
louder
b)
have a higher pitch
c)
travel faster
d)
produce beats
5.
Ocean waves crash on the beach at a velocity of 4.0 m/s. If the distance between the crests of each wave is 2.0 m, find the frequency of the waves. (f = speed / wavelength)
a)
0.50 Hz
b)
2.0 Hz
c)
0.005 Hz
d)
8.0 Hz
6.
__________ is the distance between identical points (adjacent crests) in the adjacent cycles of a waveform.
a)
frequency
b)
velocity
c)
wavelength
d)
amplitude
7.
An echo is an example of sound wave
a)
absorption
b)
reflection
c)
diffraction
d)
refraction
8.
What is the velocity of a wave having a frequency of 25 Hz and a wavelength of 10 m? (velocity = wavelength * frequency)
a)
250 m/s
b)
2.5 m/s
c)
35 m/s
d)
0.4 m/s
9.
A glass prism can bend light because…
a)
light is refracted as it enters a different medium
b)
the prism creates destructive interference
c)
energy is diffracted when it encounters an obstacle
d)
the glass and the light’s wavelength create resonance
10.
In 1 second, 5 crests of a wave pass a certain point. What is the wave’s frequency? (frequency = cycles / second)
a)
0.2 Hz
b)
0.2 m/s
c)
5 Hz
d)
5 m/s
11.
For two sound waves at the same pitch, the one with the greater _________ will be louder.
a)
frequency
b)
amplitude
c)
wavelength
d)
speed
12.
For reflection to occur, the wave must an object.
a)
bend around
b)
pass through
c)
be absorbed by
d)
bounce off
13.
The bending of light waves as they pass through one medium to another is called
a)
reflection
b)
refraction
c)
diffraction
d)
interference
14.
What is the matter through which a wave travels through called?
a)
compression
b)
amplitude
c)
medium
d)
frequency
15.
Which electromagnetic wave comes from the sun to give you Vitamin D?
a)
microwaves
b)
X-rays
c)
gamma rays
d)
ultraviolet waves
16.
Sound waves are what type of wave?
a)
transverse
b)
uniform
c)
electromagnetic
d)
longitudinal and compressional
17.
Light waves travel the fastest in ___________.
a)
a solid
b)
a liquid
c)
a gas
d)
empty space (vacuum)
18.
Sound waves travel the fastest in ___________.
a)
a solid
b)
a liquid
c)
a gas
d)
empty space (vacuum)
19.
The bending of light waves as they bend around an object is called:
a)
reflection
b)
refraction
c)
diffraction
d)
interference
20.
When a tuning fork starts to vibrate in response to a certain note is played on the piano is an example of:
a)
resonance
b)
reflection
c)
refraction
d)
diffraction
21.
All electromagnetic waves
a)
have the same wavelength
b)
have the same frequency
c)
travel at 300,000,000 m/s
d)
have the same energy
22.
Gamma rays are dangerous because they
a)
fluoresce
b)
cause sunburn
c)
can break down molecules and cells
d)
cause food to spoil
23.
If the angle of reflection is 25 degrees, the angle of incidence is
a)
0 degrees
b)
25 degrees
c)
60 degrees
d)
90 degrees
24.
The speed of light in a vacuum is 3 x 108 m/s in scientific notation. What is the speed of light expressed in standard notation?
a)
3,000,000 m/s
b)
30,000,000 m/s
c)
3,000 m/s
d)
300,000,000 m/s
25.
Which of the following would sound waves have the greatest speed traveling through?
a)
liquid
b)
solid
c)
gas
d)
plasma
26.
Matter that has a definite volume and a definite shape is a
a)
solid
b)
liquid
c)
gas
d)
plasma
27.
The amount of energy needed to change a material from a liquid to a gas is the heat of
a)
evaporation
b)
fusion
c)
vaporization
d)
condensation
28.
When two or more substances are physically combined, the result is a(n)
a)
chemical change
b)
element
c)
compound
d)
mixture
29.
As a sample of matter is heated, its particles
a)
are unaffected
b)
move more quickly
c)
move more slowly
d)
stop moving
30.
The most common state of matter in the universe is ________.
a)
solid
b)
liquid
c)
gas
d)
plasma
31.
The color of ink is a _____________.
a)
physical change
b)
physical property
c)
chemical change
d)
chemical property
32.
Which of the following is evidence that a physical change has occurred?
a)
Broken glass
b)
Rust
c)
Bubbles
d)
Formation of a solid precipitate
33.
Which of the following is not a physical property?
a)
Color
b)
Odor
c)
State (Phase)
d)
Reactivity with oxygen
34.
Matter in which the particles are free to move in all directions until they have spread evenly throughout their container is a
a)
solid
b)
liquid
c)
gas
d)
crystal
35.
___________ is another name for a homogeneous mixture.
a)
Liquid
b)
Substance
c)
Suspension
d)
Solution
36.
The amount of energy needed to change a material from the solid state to the liquid state is the heat of:
a)
condensation
b)
vaporization
c)
fusion
d)
evaporation
37.
CaCO3 is an example of which of the following types of matter?
a)
Element
b)
Compound
c)
Homogeneous mixture
d)
Heterogeneous mixture
38.
In which phase of matter are the molecules of the substance farthest apart from each other?
a)
solid
b)
liquid
c)
gas
d)
crystal
39.
A flask containing molecules of gas A and a separate flask containing molecules of gas B are both at the same temperature. Gases A and B must have equal __________.
a)
volumes
b)
masses
c)
pressures
d)
average kinetic energies
40.
Hydrogen, gold, and iron are all examples of
a)
homogeneous mixtures
b)
elements
c)
heterogeneous mixtures
d)
compounds
41.
A type of matter formed by chemically combining two or more elements is known as a
a)
compound
b)
solution
c)
colloid
d)
suspension
42.
Which term best describes when particles escape from the surface of a liquid and become gaseous?
a)
sublimation
b)
evaporation
c)
freezing
d)
deposition
43.
Milk, paint, and mayonnaise are all examples of
a)
Plasma
b)
Compounds
c)
Mixtures
d)
Elements
44.
The Law of Conservation of Mass states
a)
Mass never stays constant
b)
Mass is always added during a chemical change
c)
Mass is always lost during a chemical change
d)
Mass is not lost or created during a chemical change.
45.
Which of the following liquids would have the greatest viscosity?
a)
syrup
b)
water
c)
lemonade
d)
apple juice
46.
Which of the following is NOT a tenant of the Kinetic Molecular Theory?
a)
Matter is made of particles
b)
The particles that make up matter are in constant, random motion.
c)
Matter cannot be created or destroyed
d)
The particles that make up matter collide with each other and with the walls of their container.
47.
Atoms of elements in the same period of the periodic table share the same:
a)
number of energy levels
b)
number of valence electrons
c)
atomic numbers
d)
atomic masses
48.
What subatomic particles are found in the nucleus of an atom?
a)
protons and electrons
b)
protons and neutrons
c)
protons only
d)
neutrons only
49.
How many electrons will an electrically neutral atom of carbon have if its nucleus has 6 protons and 8 neutrons?
a)
2
b)
6
c)
8
d)
14
50.
An element with 5 protons, 6 neutrons, and 8 electrons has an atomic number of
a)
5
b)
6
c)
8
d)
11
51.
An element with 6 protons, 8 neutrons, and 6 electrons has a mass number of
a)
6
b)
12
c)
8
d)
14
52.
As an electron moves further from the nucleus, its ________ increases.
a)
charge
b)
energy
c)
mass
d)
size
53.
Atoms with the same numbers of protons but with different numbers of neutrons are called:
a)
molecules
b)
ions
c)
protons
d)
isotopes
54.
The total number of valence electrons of a chlorine atom is:
a)
1
b)
2
c)
6
d)
7
55.
Which particles determine the atomic number of an element?
a)
Protons only
b)
Neutrons only
c)
Neutrons and protons
d)
Protons and electrons
56.
The total number of neutrons in the nucleus of any atom is equal to the
a)
mass number of the atom
b)
atomic number minus the mass number
c)
atomic number of the atom
d)
mass number minus the atomic number
57.
Two different isotopes of an element have different ________.
a)
numbers of neutrons
b)
atomic numbers
c)
numbers of protons
d)
nothing is different.
58.
Two different isotopes of an element have the same _________.
a)
numbers of neutrons
b)
mass numbers
c)
numbers of protons
d)
nothing is the same.
59.
The maximum number of electrons that can occupy the 2nd electron energy level (shell) is:
a)
1
b)
2
c)
8
d)
18
60.
The mass of the most common isotope of an element is can often be inferred from the
a)
Mass number
b)
Atomic number
c)
Average atomic mass
d)
Number of electrons
61.
Which of the following is a transition metal?
a)
Calcium
b)
Nickel
c)
Carbon
d)
Tellurium
62.
An atom is electrically neutral when:
a)
neutrons balance the protons and electrons
b)
nuclear forces stabilize the charges
c)
the numbers of protons and electrons are equal
d)
the numbers of protons and neutrons are equal.
63.
Which aspect of the periodic table indicates the number of energy levels in the electron cloud?
a)
Group
b)
Family
c)
Valence electrons
d)
Period
64.
What is the correct symbol for an isotope of carbon with 6 protons and 6 neutrons?
a)
12C
b)
12C
c)
6C
d)
6C6
65.
Which statement about the arrangement of the periodic table is not true?
a)
Noble gases are in the group farthest to the right
b)
Metals are found on the left side of the periodic table
c)
Rare earth elements are in the first column on the left
d)
Transition metals are in the center of the periodic table
66.
Boron, carbon, nitrogen, and oxygen are all members of the same
a)
Family
b)
Period
c)
Group
d)
Country Club
67.
At room temperature, most metals are in what state of matter?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
68.
Hydrogen is in group 1 with lithium, sodium, potassium, rubidium, cesium, and francium because it
a)
Is a metal
b)
Is a gas
c)
Has 1 valence electron
d)
Has 1 energy level
69.
Who is attributed with the first use of the word “atom” meaning indivisible?
a)
Rutherford
b)
Thompson
c)
Mendeleev
d)
Democritus
70.
Who used the “Gold Foil Experiment” to prove the existence of the nucleus?
a)
Rutherford
b)
Thompson
c)
Mendeleev
d)
Democritus
71.
Who was the first person to organize the elements by increasing atomic mass, thus realizing that the properties of elements periodically repeat?
a)
Rutherford
b)
Thompson
c)
Mendeleev
d)
Democritus
72.
Who is attributed with the atomic model described by a solid, positively charged atom with negative particles (electrons) embedded throughout?
a)
Rutherford
b)
Thompson
c)
Mendeleev
d)
Democritus
73.
How many electrons can be held in the first energy level?
a)
8
b)
18
c)
8
d)
2
74.
This group will never combine with any other element naturally.
a)
Alkali Metals
b)
Alkaline Earth Metals
c)
Noble Gases
d)
Halogens
75.
This group contains the most reactive metals.
a)
Alkali Metals
b)
Alkaline Earth Metals
c)
Noble Gases
d)
Halogens
76.
This group contains the most reactive non-metals.
a)
Alkali Metals
b)
Alkaline Earth Metals
c)
Noble Gases
d)
Halogens
77.
All elements in this group have 2 valence electrons.
a)
Alkali Metals
b)
Alkaline Earth Metals
c)
Noble Gases
d)
Halogens
78.
The semi-conductors on the periodic table are classified as…
a)
Metals
b)
Non-Metals
c)
Metalloids
d)
Rare Earth Elements
79.
What is the most common isotope of Sodium in nature?
a)
11Na
b)
23Na
c)
22Na
d)
12Na
80.
Hydrogen’s most common isotope has ____ proton(s) and _____ neutron(s).
a)
1,1
b)
1,0
c)
2,1
d)
1,2
81.
Elements that are good conductors of heat and electricity:
a)
metals
b)
non-metals
c)
metalloids
d)
solids
82.
Elements that are poor conductors of heat and electricity:
a)
metals
b)
non-metals
c)
metalloids
d)
solids
83.
Elements that are fair conductors of heat and electricity:
a)
metals
b)
non-metals
c)
metalloids
d)
solids
84.
The chemical bond formed when two atoms share electrons is called a(n)
a)
Covalent bond
b)
Ionic bond
c)
Metallic bond
d)
Electron bond
85.
Which pair of atoms will combine with each other and form an ionic bond?
a)
C and O
b)
C and H
c)
Ca and Mg
d)
Ca and Br
86.
Which element is most likely to gain electrons in a chemical reaction?
a)
Kr
b)
K
c)
Br
d)
Ca
87.
What is the oxidation number of oxygen in most compounds?
a)
6
b)
-2
c)
8
d)
0
88.
Which formula represents a substance that contains covalent bonds?
a)
LiCl
b)
CaCl2
c)
K2O
d)
CO2
89.
A regular, repeating arrangement of atoms, ions, or molecules is
a)
A compound
b)
A crystal
c)
Impossible to break
d)
A polyatomic ion
90.
Which atoms are most likely to form covalent bonds?
a)
metal atoms that share electrons
b)
nonmetal atoms that share electrons
c)
metal atoms that share protons
d)
nonmetal atoms that share protons
91.
The electrons that are lost, gained, or shared in chemical bonds are called
a)
valence electrons
b)
chemical electrons
c)
Lewis’s electrons
d)
none of the above
92.
Which of the following is NOT an example of covalent bonding?
a)
H2O
b)
NaF
c)
NH3
d)
O2
93.
How many electrons are needed in the outer energy levels of most atoms for the atom to be chemically stable?
a)
2
b)
4
c)
6
d)
8
94.
The properties of a compound are ________ the properties of the elements that form it.
a)
Similar to
b)
Identical to
c)
Different from
d)
Derived from
95.
Which of the following is the reason why atoms of sodium and chlorine attract each other in a salt crystal?
a)
Sodium has a positive charge and chlorine has a negative charge.
b)
Sodium has a negative charge and chlorine has a positive charge.
c)
Both have a positive charge.
d)
Both have a negative charge.
96.
Which of the following is the correct name for a compound between Magnesium and Sulfur?
a)
Magnesium sulfur
b)
Magnesium (II) sulfide
c)
Magnesium sulfide
d)
Dimagnesium disulfide
97.
Which of the following is the correct name for the compound PCl3?
a)
Phosphorous chlorine
b)
Phosphorous (III) chloride
c)
Phosphorous chloride
d)
Phosphorous trichloride
98.
Which of the following is a similarity between ionic and covalent bonds?
a)
Both include the gaining and losing of electrons
b)
Both include the sharing of electrons
c)
Both make the elements more stable
d)
Both are typically found as solids at room temperature.
100 %
