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WorksheetsPhysical Science EOCT Review
Total questions: 61
Worksheet time: 2hrs 1mins
Name
Class
Date
1.
The weight of a person on Earth is 6 times his or her weight on the Moon. What type of force is responsible for a person's weight?
a)
Inertia
b)
Electromagnetic
c)
Gravitational
d)
Mechanical
2.
A force of 20 N acts on a 5 kg block. What is the acceleration?
a)
25 m/s
b)
4 g
c)
4 m/s
d)
25 g
3.
What force is required to accelerate a car at a rate of 2 m/s/s if the car has a mass of 3000 kg?
a)
1500 N
b)
1500 g
c)
6000 g
d)
6000 N
4.
An unknown substance has a mass of 37 grams and a volume of 10 cubic centimeters. What is the density of the unknown substance?
a)
3.7 g
b)
3.7 g/cm ^3
c)
370 g
d)
370 g/ cm ^3
5.
A gold bar was found to have a mass of 45 g. Gold has a density of 19.32 grams per cubic centimeters. What is the volume of the gold bar?
a)
869.4 g
b)
2.32 cm ^ 3
c)
2.32 g
d)
64 g
6.
When atoms covalently bond, they:
a)
Gain protons
b)
Lose protons
c)
Share protons
d)
Share electrons
7.
NaCl is a compound that results from what kind of bonding?
a)
Covalent
b)
Ionic
c)
Hydrogen
d)
Metallic
8.
Which situation provides the best evidence that a chemical reaction has taken place?
a)
A metal strip bends when heated.
b)
A cold piece of glass breaks when placed in hot water.
c)
Two solutions mixed in a beaker produce a solid.
d)
A chemical completely dissolves in water and the temperature remains constant.
9.
What numbers should precede Ca and O2 in the following equation?
___Ca + ___O2 --> 2CaO2
___Ca + ___O2 --> 2CaO2
a)
2, 2
b)
3, 2
c)
4, 2
d)
2, 4
10.
Which of the following states the Law of Conservation of Mass?
a)
Atoms are rearranged in a chemical reaction and some join new molecules.
b)
Two compounds combine to form a new compound with different properties.
c)
Mass cannot be created or destroyed in a chemical reaction.
d)
Energy is neither created nor destroyed in a chemical reaction.
11.
Is the following equation balanced or unbalanced?
AlBr3 + 3K --> 3KBr + Al
AlBr3 + 3K --> 3KBr + Al
a)
Balanced
b)
Unbalanced
12.
How many hydrogen atoms are in two molecules of glucose 2C6H12O6
a)
48
b)
12
c)
24
d)
12
13.
In which kind of chemical reaction are compounds broken down into their simpler substances?
a)
Decomposition reaction
b)
Synthesis reaction
c)
Single replacement reaction
d)
Double replacement reaction
14.
As most substances change state/phase from a solid to a liquid, the particles themselves:
a)
decrease in size
b)
decrease in energy
c)
increase in energy
d)
increase in size
15.
When a substance is cooled, its particles typically
a)
move slower and closer together
b)
move faster and farther apart
c)
do not change size, and their motion does not change
d)
becomes smaller, and their motion does not change
16.
What is the formula for Newton's 2nd Law of Motion?
a)
F = MA
b)
F = M/A
c)
D = MV
d)
D = M / V
17.
Which of the following explains the difference between speed and velocity?
a)
Velocity has motion, and speed does not.
b)
Velocity has direction, and speed does not.
c)
Velocity involves time, and speed does not.
d)
Velocity involves acceleration, and speed dos not.
18.
Which of the following best represents force?
a)
A push or a pull that always causes motion.
b)
A push or a pull that always causes acceleration.
c)
A push or a pull acting without an object.
d)
A push or a pull that is acting on an object.
19.
Dividing the total distance traveled by the total time is how to calculate.
a)
Average speed
b)
Average velocity
c)
Average acceleration
d)
Average motion
20.
In a chemical equation, you cannot have NEW elements in the product side of the equation. This is BEST described by the fact that matter:
a)
Can be created but not destroyed.
b)
Cannot be created or destroyed.
c)
Can be destroyed but not created.
d)
Can be both created and destroyed.
21.
The stored energy in a battery can BEST be described as:
a)
Thermal
b)
Nuclear
c)
Kinetic
d)
Chemical
22.
Which of the following could be used to convert wind energy to electrical energy?
a)
A chemical storage battery.
b)
A solar cell.
c)
A windmill.
d)
Rotating coils in a magnetic field.
23.
Which of the following is example of potential energy?
a)
Gasoline in a car.
b)
A rock at the top of a hill.
c)
A baseball bat held motionless in the ready position.
d)
All of these are examples of potential energy.
24.
An object at rest begins to move when:
a)
Balanced forces act on it.
b)
An unbalanced, or net force, acts on it.
c)
Forces are no longer acting on it.
d)
An object at rest stays at rest no matter what.
25.
Newton's 3rd Law states that:
a)
An object in motion will stay in motion unless acted on by an unbalanced force.
b)
For every action, there is an equal and opposite reaction.
c)
The acceleration of an object depends on the mass of the object and the force applied to it.
d)
Energy cannot be created or destroyed, only transferred.
26.
A metal spoon is used to stir a pot of boiling soup. The person holding the spoon feels the spoon get hot. Which BEST describes the transfer of heat in the spoon?
a)
Radiation
b)
Electrical
c)
Conduction
d)
Convection
27.
A car was sitting in sunlight all day long. The heat that is now contained in the car was transferred to the car PRIMARILY by which of the following processes?
a)
Convection
b)
Conduction
c)
Radiation
d)
Electrical energy transfer
28.
In a vacuum, X-rays and gamma rays have the same:
a)
Frequency
b)
Speed, which is the speed of sound
c)
Speed, which is the speed of light
d)
Energy
29.
What is the highest point of a transverse wave?
a)
Amplitude
b)
Crest
c)
Trough
d)
Period
30.
All waves have the ability to:
a)
Transfer matter.
b)
Transfer energy.
c)
Travel at the speed of sound in a vacuum.
d)
All of the above.
31.
The electromagnetic waves with the highest energy and shortest wavelength are:
a)
Gamma
b)
X-rays
c)
UV Rays
d)
Microwaves
32.
How fast do electromagnetic waves travel?
a)
Speed of sound
b)
Speed of light
c)
We currently do not know
d)
It depends on the type of wave
33.
A car is traveling at a constant speed of 30 m/s. The driver has to come to a complete stop to avoid hitting a chupacabra. The time it took to stop was 5 seconds. What is the average acceleration of the car?
a)
2 m/s/s
b)
-6 m/s/s
c)
6 m/s/s
d)
25 m/s/s
34.
In which of the following situations is acceleration occurring?
a)
A Ferrari driving at a constant speed of 100 mph.
b)
An airplane traveling in a straight line at a constant speed.
c)
A Prius rounding a curve driving at a constant speed of 55 mph.
d)
A car sitting in the driveway.
35.
An atom has 29 protons, 29 electrons, and 35 neutrons. What is the mass number of the atom?
a)
29
b)
35
c)
93
d)
64
36.
Which pair of elements is most similar?
a)
Ca and F
b)
Na and Cl
c)
Ne and Ar
d)
Li and Ne
37.
In the periodic table, the rows are called ___________ and they tell us _________.
a)
Groups, Number of valence electrons
b)
Groups, Number of energy levels
c)
Periods, Number of valance electrons
d)
Periods, Number of energy levels
38.
Which process is represented by the following description: "sugar is added to water and a sweet liquid results after stirring"?
a)
Melting
b)
Dissolving
c)
Evaporation
d)
Oxidation
39.
Soft drinks consist of a mixture of water, sugar, and flavoring, which carbon dioxide gas bubbled through it. Which of these ingredients would be considered the solvent?
a)
Water
b)
Sugar
c)
Flavoring
d)
Carbon Dioxide
40.
This graph shows temperature vs. energy data for a substance. What is the melting point of the substance?
a)
0o C
b)
20o C
c)
50o C
d)
90o C
41.
Valence electrons are found by looking at what __________ the atom is located in on the periodic table.
a)
group
b)
column
c)
row
d)
box
42.
Nonmetals are ________ at room temperature.
a)
Solids
b)
Liquids
c)
gas
43.
Metals are _________ at room temperature with the exeception to Mecury and Bromine.
a)
solids
b)
gas
c)
liquid
44.
Properties for Representive Elements:
__________________________
-Solids at room temperature
-Conduct electricity
-very reactive
-ductile (wires)
__________________________
-Solids at room temperature
-Conduct electricity
-very reactive
-ductile (wires)
a)
Metals
b)
Nonmetals
c)
Metalloids
45.
Electrons changed directions at regular intervals
EX: Gas driven generator or lights in our house
EX: Gas driven generator or lights in our house
a)
alternating current
b)
direct current
46.
electrons move in same directions
EX: Batteries in your car or batteries in your flashlight
EX: Batteries in your car or batteries in your flashlight
a)
alternating current
b)
direct current
47.
Ohms Law:
a)
V=IR
b)
V=OR
48.
To get electrons flowing through a circuit, a _____ is applied. ____, which is measured in volts (V), is the potential difference in electrical potential energy between two places in a circuit. In other words, ____ is the energy per unit of charge that causes charges to move.
a)
Resistence (R)
b)
Electric Current (I)
c)
Voltage (V)
49.
When charged particles flow through the wire in a circuit, an ______ results. The ___ current is measured in amperes (A). The electron is the charged particle that most likely moves through the circuit.
a)
Resistence (R)
b)
Electric Current (I)
c)
Voltage (V)
50.
The opposition to current is called ____, which is measured in ohms (Ω). Light bulbs and reistors are examples of objects with a __.
a)
Resistence (R)
b)
Electric Current (I)
c)
Voltage (V)
51.
An electric current will also produce a ___. A ___ is a region around a magent or current-carryin wire where magnetic forces can be measured.
a)
magnetism
b)
electromagnetic induction
c)
magnetic domains
d)
magnectic fields
52.
A ___ is a device that converts mechanical energy to electrical energy. In a commerical ___, an electric current is produced when a large coil of wire is rotated in a strong magnetic field.
a)
battery
b)
generator
c)
magnetic domain
53.
Occurs when two or more waves arrive at the same point at the same time
a)
reflection
b)
refraction
c)
interference
d)
diffraction
54.
Takes place when a wave passes from one medium into another at an angle and bends(changes direction) due to change in speed
a)
reflection
b)
refraction
c)
interference
d)
diffraction
55.
Results when a wave passes through a hole or moves past a barrier and spreads out in the region beyond the hole or barrier
a)
reflection
b)
refraction
c)
interference
d)
diffraction
56.
When a sound moves toward a listener, the or apparent frequency, of the sound increases. This is because the sound waves are compressed closer together and reach the listener with a higher pitch. As the sound source passes by the listener and moves away from the listener, the same sound waves were stretched farther apart. This results in a decrease in the pitch, or apparent frequency. This phenomenon is known as the _____ . It can be heard at a train crossing every time a train approaches, passes, and leaves a crossing while blowing its whistle.
a)
butterfly effect
b)
doppler effect
c)
sound waves effect
57.
A person places a metal spoon that is at room temperature into a bowl of hot soup. How will the thermal energies of the spoon and the soup be affected?
a)
The spoon will increase in thermal energy, and the soup will decrease in thermal energy.
b)
Both the spoon and the soup will increase in thermal energy.
c)
The spoon will decrease in thermal energy, and the soup will increase in thermal energy.
d)
Both the spoon and the soup will decrease in thermal energy.
58.
What type of chemical reaction is represented by this equation? 2Li + 2H2O ---> 2LiOH + H2
a)
decomposition
b)
double replacement
c)
single replacement
d)
synthesis
59.
Which element has the same number of valence electrons as krypton (Kr)?
a)
neon (Ne)
b)
fluorine (F)
c)
chlorine (Cl)
d)
selenium (Se)
60.
How many neutrons are in an atom of Pu-246?
a)
94
b)
150
c)
152
d)
246
61.
Which best represents how electrons are arranged in the energy levels of a carbon atom?
a)
first energy level = 1 electron second energy level = 5 electrons
b)
first energy level = 2 electrons second energy level = 4 electrons
c)
first energy level = 3 electrons second energy level = 3 electrons
d)
first energy level = 4 electrons second energy level = 2 electrons
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