Physical Science EOCT Practice
Part II
Milton High School
Potassium is an element in group 1 and period 4. How
many valence electrons does an atom of potassium
contain?
A.
B.
C.
D.
1
2
3
4
Potassium is an element in group 1 and period 4. How
many valence electrons does an atom of potassium
contain?
A.
B.
C.
D.
1
2
3
4
What phase change occurs when a solid changes
directly into a gas?
A.
B.
C.
D.
Freezing
Melting
Evaporation
Sublimation
What phase change occurs when a solid changes
directly into a gas?
A.
B.
C.
D.
Freezing
Melting
Evaporation
Sublimation
During the process of
melting, what happens
to the temperature of
the substance?
A.
B.
C.
D.
It stays constant
It increases
It decreases
It increases and then
decreases
During the process of
melting, what happens
to the temperature of
the substance?
A.
B.
C.
D.
It stays constant
It increases
It decreases
It increases and then
decreases
Ms. Coln dissolves an unknown substance in water. The
solution is corrosive, conducts electricity, and has a higher
concentration of H+ ions than OH- ions. What kind of
solution does this unknown substance form?
A.
B.
C.
D.
An acidic solution
A basic solution
A neutral solution
A non-electrolyte solution
Ms. Coln dissolves an unknown substance in water. The
solution is corrosive, conducts electricity, and has a higher
concentration of H+ ions than OH- ions. What kind of
solution does this unknown substance form?
A.
B.
C.
D.
An acidic solution
A basic solution
A neutral solution
A non-electrolyte solution
What happens to the solubility of a typical solute as
temperature increases?
A.
B.
C.
D.
The solubility decreases
The solubility increases
The solubility remains the same
There is no way to know without knowing which
exact solute
What happens to the solubility of a typical solute as
temperature increases?
A.
B.
C.
D.
The solubility decreases
The solubility increases
The solubility remains the same
There is no way to know without knowing which
exact solute
What is the coefficient on Hg when the
following equation is balanced?
HgO
A. 1
B. 2
C. 3
D. 4
Hg + O2
What is the coefficient on Hg when the
following equation is balanced?
HgO
A. 1
B. 2
C. 3
D. 4
Hg + O2
Which of the following BEST describes the
difference between speed and velocity?
A. Speed includes distance and direction while
velocity includes only distance.
B. Speed includes distance and direction while
velocity includes only direction.
C. Velocity includes distance and direction while
speed includes only direction.
D. Velocity includes distance and direction while
speed only distance.
Which of the following BEST describes the
difference between speed and velocity?
A. Speed includes distance and direction while
velocity includes only distance.
B. Speed includes distance and direction while
velocity includes only direction.
C. Velocity includes distance and direction while
speed includes only direction.
D. Velocity includes distance and direction while
speed only distance.
Mr. Lanham takes off in his boat from the dock and
reaches a velocity of 6 meters per second after 3
seconds. What is the boat’s acceleration?
A.
B.
C.
D.
0.5 meters/second2
2 meters/second2
6 meters/second2
18 meters/second2
Mr. Lanham takes off in his boat from the dock and
reaches a velocity of 6 meters per second after 3
seconds. What is the boat’s acceleration?
A.
B.
C.
D.
0.5 meters/second2
2 meters/second2
6 meters/second2
18 meters/second2
Inertia is the tendency of an object to continue its
current state of motion. Which of the following BEST
describes the relationship between inertia and mass?
A. A greater mass means that something is easier to
slow down or speed up.
B. The amount of inertia of an object is equal to its
mass.
C. The greater the mass of an object, the greater the
inertia it has.
D. The greater the mass of an object , the less inertia it
has.
Inertia is the tendency of an object to continue its
current state of motion. Which of the following BEST
describes the relationship between inertia and mass?
A. A greater mass means that something is easier to
slow down or speed up.
B. The amount of inertia of an object is equal to its
mass.
C. The greater the mass of an object, the greater the
inertia it has.
D. The greater the mass of an object , the less inertia it
has.
When Mrs. Pullano is standing at the front of the class
teaching Chemistry, the force of gravity is pulling her down
toward the ground. The ground is pushing back with an
equal and opposite force. This is an example of
A.
B.
C.
D.
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
The Law of Gravitation
When Mrs. Pullano is standing at the front of the class
teaching Chemistry, the force of gravity is pulling her down
toward the ground. The ground is pushing back with an
equal and opposite force. This is an example of
A.
B.
C.
D.
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
The Law of Gravitation
JJoel
drops a baseball from a window on the tenth floor
of his apartment building. Each floor has a height of 12
feet. What is the baseball’s velocity after 2 seconds?
A.
B.
C.
D.
2.0 m/sec
9.8 m/sec
19.6 m/sec
24 m/sec
JJoel
drops a hammer from a window on the tenth floor
of his apartment building. Each floor has a height of 12
feet. What is the hammer’s velocity after 2 seconds?
A.
B.
C.
D.
2.0 m/sec
9.8 m/sec
19.6 m/sec
24 m/sec
The mass of two objects is an important factor in
determining the force of gravity between them. What is
the second important factor?
A.
B.
C.
D.
Their volume
The distance between them
Their diameters
Their densities
The mass of two objects is an important factor in
determining the force of gravity between them. What is
the second important factor?
A.
B.
C.
D.
Their volume
The distance between them
Their diameters
Their densities
Which statement is correct?
A.
B.
C.
D.
Weight is the amount of material in an object.
Mass is the physical dimensions of an object.
Weight is the gravitational pull on an object.
Mass is the gravitational pull on an object.
Which statement is correct?
A.
B.
C.
D.
Weight is the amount of material in an object.
Mass is the physical dimensions of an object.
Weight is the gravitational pull on an object.
Mass is the gravitational pull on an object.
Mr. Sheridan entered his prize pumpkin in the State Fair.
If the mass of the pumpkin is 1400 kg, what is its
approximate weight?
A.
B.
C.
D.
14 g
1400 N
14000 N
6360 N
Mr. Sheridan entered his prize pumpkin in the State Fair.
If the mass of the pumpkin is 1400 kg, what is its
approximate weight?
A.
B.
C.
D.
14 g
1400 N
14000 N
6360 N
It takes 8 seconds for a pulley system to lift a load that
weighs 400 N to a height of 10 m. How much power is
required?
A.
B.
C.
D.
4000 watts
3200 watts
500 watts
80 watts
It takes 8 seconds for a pulley system to lift a load that
weighs 400 N to a height of 10 m. How much power is
required?
A.
B.
C.
D.
4000 watts
3200 watts
500 watts
80 watts
In order for a lever to multiply its effort force,
A.
B.
C.
D.
Its effort force must equal its resistance arm
Its resistance arm must be longer than its effort arm
Its resistance arm should be one meter in length
Its effort arm should be longer than its resistance arm
In order for a lever to multiply its effort force,
A.
B.
C.
D.
Its effort force must equal its resistance arm
Its resistance arm must be longer than its effort arm
Its resistance arm should be one meter in length
Its effort arm should be longer than its resistance arm
What is the definition of power?
A.
B.
C.
D.
The ability to do work
The rate of doing work
The amount of work done
Work output provided by work input
What is the definition of power?
A.
B.
C.
D.
The ability to do work
The rate of doing work
The amount of work done
Work output provided by work input
Newton’s first law of motion describes the tendency of
objects in motion to continue in motion and objects at rest
to remain at rest. What term is used to describe this
behavior?
A.
B.
C.
D.
Velocity
Acceleration
Displacement
Inertia
Newton’s first law of motion describes the tendency of
objects in motion to continue in motion and objects at rest
to remain at rest. What term is used to describe this
behavior?
A.
B.
C.
D.
Velocity
Acceleration
Displacement
Inertia
An acorn falls from an oak tree to the ground and hits a
squirrel on the head. What is the acorn’s final velocity if
it falls for 3 seconds?
A.
B.
C.
D.
9.8 m/sec
19.6 m/sec
29.4 m/sec
96.0 m/sec
An acorn falls from an oak tree to the ground and hits a
squirrel on the head. What is the acorn’s final velocity if
it falls for 3 seconds?
A.
B.
C.
D.
9.8 m/sec
19.6 m/sec
29.4 m/sec
96.0 m/sec
Materials that prevent heat flow are
A.
B.
C.
D.
Usually metals
Conductors
Insulators
Radiators
Materials that prevent heat flow are
A.
B.
C.
D.
Usually metals
Conductors
Insulators
Radiators
In which medium would a sound wave travel the fastest?
A.
B.
C.
D.
Air
Vacuum
Water
Steel
In which medium would a sound wave travel the fastest?
A.
B.
C.
D.
Air
Vacuum
Water
Steel
A balloon is rubbed all over with wool. The balloon will now
attract the water because
A.
B.
C.
D.
The balloon and the water are magnets
The balloon and the water have opposite charges
The balloon and the water have like charges
The balloon and the water are neutral
A balloon is rubbed all over with wool. The balloon will now
attract the water because
A.
B.
C.
D.
The balloon and the water are magnets
The balloon and the water have opposite charges
The balloon and the water have like charges
The balloon and the water are neutral
If a simple circuit has one resistor of 3 ohms and a
current of 3 amps, how many volts is the power
source?
A.
B.
C.
D.
3 volts
6 volts
9 volts
19 volts
If a simple circuit has one resistor of 3 ohms and a
current of 3 amps, how many volts is the power
source?
A.
B.
C.
D.
3 volts
6 volts
9 volts
19 volts
Mrs. Davis’ toaster has a voltage of 60 volts and a
current of 1.5 amps. What is the resistance of the
heating element?
A.
B.
C.
D.
40 ohms
60 ohms
90 ohms
120 ohms
Mrs. Davis’ toaster has a voltage of 60 volts and a
current of 1.5 amps. What is the resistance of the
heating element?
A.
B.
C.
D.
40 ohms
60 ohms
90 ohms
120 ohms
Sally is making a solution of kool-aid by dissolving a
package of cherry powdered kool-aid mix in a pitcher of
water. What is the solvent in this solution?
A.
B.
C.
D.
Cherry flavored kool-aid powder mix
The water
Cherries
The spoon used to stir the solution
Sally is making a solution of kool-aid by dissolving a
package of cherry powdered kool-aid mix in a pitcher of
water. What is the solvent in this solution?
A.
B.
C.
D.
Cherry flavored kool-aid powder mix
The water
Cherries
The spoon used to stir the solution
During a water quality lab Sam tested a sample of water
for nitrates by dissolving a testing powder in the water
along with the required drops of sulfuric acid. Sam
capped the test tube and vigorously mixed the solutions
together by shaking. What is the solvent in this
solution?
A.
B.
C.
D.
Sulfuric acid
The testing powder
The shaking of the test tube
The water sample
During a water quality lab Sam tested a sample of water
for nitrates by dissolving a testing powder in the water
along with the required drops of sulfuric acid. Sam
capped the test tube and vigorously mixed the solutions
together by shaking. What is the solvent in this
solution?
A.
B.
C.
D.
Sulfuric acid
The testing powder
The shaking of the test tube
The water sample
Mandy wants to determine the density of a metallic
object which is 40 g. She fills a graduated cylinder
with water to the 50 mL mark and then gently places
the metallic object in the graduated cylinder she just
filled. The volume of water in the graduated cylinder
with the metallic object moved from the 50 mL mark
to the 75 mL mark. What is the density of the metallic
object?
A.
B.
C.
D.
0.53 g/mL
0.8 g/mL
1.6 g/mL
25 g/mL
Mandy wants to determine the density of a metallic
object which is 40 g. She fills a graduated cylinder
with water to the 50 mL mark and then gently places
the metallic object in the graduated cylinder she just
filled. The volume of water in the graduated cylinder
with the metallic object moved from the 50 mL mark
to the 75 mL mark. What is the density of the metallic
object?
A.
B.
C.
D.
0.53 g/mL
0.8 g/mL
1.6 g/mL
25 g/mL
When electricity is passed through water, the following
decomposition reaction can occur:
2H2O
2H2 + O2
What does the law of conservation of matter tell you
about the ratios of particles in the chemical reaction?
A. The reacting substances must be the same as the
substances produced.
B. The number of reactant molecules must equal the
number of product molecules.
C. The number of reactant compounds must equal the
number of product compounds.
D. The number of atoms of each element must be equal
on both sides of the reaction arrow.
When electricity is passed through water, the following
decomposition reaction can occur:
2H2O
2H2 + O2
What does the law of conservation of matter tell you
about the ratios of particles in the chemical reaction?
A. The reacting substances must be the same as the
substances produced.
B. The number of reactant molecules must equal the
number of product molecules.
C. The number of reactant compounds must equal the
number of product compounds.
D. The number of atoms of each element must be equal
on both sides of the reaction arrow.
What happens when you remove one of the light
bulbs in a parallel circuit?
A.
B.
C.
D.
Only that light bulb will go dark.
All of the light bulbs will go dark.
The current in the circuit will increase.
The resistance in the circuit will increase.
What happens when you remove one of the light
bulbs in a parallel circuit?
A.
B.
C.
D.
Only that light bulb will go dark.
All of the light bulbs will go dark.
The current in the circuit will increase.
The resistance in the circuit will increase.
When nitrogen gas (N2) and hydrogen gas (H2) are
combined at a high temperature and under pressure,
they turn into ammonia (NH3). Which is a balanced
equation for this reaction?
A.
B.
C.
D.
N2 + 2H2
N2 + 3H2
N + 3H2
2N2 + 3H2
2(NH3)
2(NH3)
2(NH3)
2(NH3)
When nitrogen gas (N2) and hydrogen gas (H2) are
combined at a high temperature and under pressure,
they turn into ammonia (NH3). Which is a balanced
equation for this reaction?
A.
B.
C.
D.
N2 + 2H2
N2 + 3H2
N + 3H2
2N2 + 3H2
2(NH3)
2(NH3)
2(NH3)
2(NH3)
Look at the reaction below.
Neutron + U-235
Kr-92 + Ba-142 + 2 neutrons + ENERGY
How do you know this reaction is a nuclear fission reaction?
A.
B.
C.
D.
Energy is released
One large nucleus is split into two smaller nuclei
There are more neutrons in the products than in the reactants
The mass of the reactants is greater than the mass of the
products.
Look at the reaction below.
Neutron + U-235
Kr-92 + Ba-142 + 2 neutrons + ENERGY
How do you know this reaction is a nuclear fission reaction?
A.
B.
C.
D.
Energy is released
One large nucleus is split into two smaller nuclei
There are more neutrons in the products than in the reactants
The mass of the reactants is greater than the mass of the
products.
Which of the electromagnetic waves has a frequency
higher than visible light?
I. Radio
II. Microwave
III. Ultraviolet
A.
B.
C.
D.
I only
II only
III only
I and II only
Which of the electromagnetic waves has a frequency
higher than visible light?
I. Radio
II. Microwave
III. Ultraviolet
A.
B.
C.
D.
I only
II only
III only
I and II only