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WorksheetsPHYSICAL SCIENCE PRACTICE EOC
Total questions: 50
Worksheet time: 1hrs 10mins
Name
Class
Date
1.
When a firecracker explodes, chemical energy changes to light and sound energy. This is an example of how energy:
a)
Can be transformed as well as created or destroyed.
b)
Can be transformed but not created or destroyed.
c)
Cannot be transformed, created, or destroyed.
d)
Cannot be transformed and created, but can be destroyed.
2.
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.
3.
The stored energy in a battery can BEST be described as:
a)
Thermal
b)
Nuclear
c)
Kinetic
d)
Chemical
4.
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.
5.
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.
6.
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.
7.
A 200-kg student kicks a 2.5 kg ball with a force of 500 N. What force does the ball apply on the student?
a)
200 N
b)
1250 N
c)
300 N
d)
500 N
8.
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.
9.
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
10.
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
11.
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
12.
What is the highest point of a transverse wave?
a)
Amplitude
b)
Crest
c)
Trough
d)
Period
13.
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.
14.
The electromagnetic waves with the highest energy and shortest wavelength are:
a)
Gamma
b)
X-rays
c)
UV Rays
d)
Microwaves
15.
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
16.
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
17.
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.
18.
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
19.
Which pair of elements is most similar?
a)
Ca and F
b)
Na and Cl
c)
Ne and Ar
d)
Li and Ne
20.
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
21.
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
22.
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
23.
What is the volume of an object that has a density of 1.98 grams per centimeter cubed and a mass of 78 g?
a)
154.44 cm ^ 3
b)
154.44 g/cm ^ 3
c)
39.4 cm ^ 3
d)
39.4 g/cm ^ 3
24.
When atoms covalently bond, they:
a)
Gain protons
b)
Lose protons
c)
Share protons
d)
Share electrons
25.
Which type of bond is responsible for atoms of pure silver to remain bonded?
a)
Covalent
Covalent
Covalent
b)
Ionic
c)
Metallic
d)
Hydrogen
26.
NaCl is a compound that results from what kind of bonding?
a)
Covalent
b)
Ionic
c)
Hydrogen
d)
Metallic
27.
Which of the following is a physical property of gold?
a)
Gold is metallic with a yellow color.
b)
Gold has a density of 19.3 g/cm ^ 3
c)
Gold has a melting point of 1062 degrees Celsius
d)
All of these are physical properties of gold
28.
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.
29.
How many hydrogen atoms are in two molecules of glucose 2C6H12O6
a)
48
b)
12
c)
24
d)
12
30.
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
31.
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.
32.
Is the following equation balanced or unbalanced?
AlBr3 + 3K --> 3KBr + Al
AlBr3 + 3K --> 3KBr + Al
a)
Balanced
b)
Unbalanced
33.
In which kind of chemical reaction do substances combine with oxygen to produce energy in the form of heat or light?
a)
Synthesis
b)
Decomposition
c)
Combustion
d)
Single Replacement
34.
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
35.
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
36.
Mike wants to determine the weight of some small stones. He places them on a scale that measures the mass of each stone. Mike's final results should be reported in which metric unit?
a)
grams / cm ^ 3
b)
grams
c)
liters
d)
newtons
37.
Sarah wants to measure the distance her kangaroo can jump. Sarah's final results should be reported in which metric unit?
a)
Meters
b)
Liters
c)
Grams
d)
Miles
38.
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
39.
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
40.
Which of the following are "universal" or "fundamental" forces?
a)
Heat and friction
b)
Electromagnetic and gravitational
c)
Sound and light
d)
Potential and kinetic
41.
What force keeps the Moon in orbit around the Earth?
a)
Nuclear
b)
Electric
c)
Gravitational
d)
Magnetic
42.
Which of the following is NOT one of the four fundamental forces?
a)
Gravity
b)
Friction
c)
Electromagnetic force
d)
Strong nuclear force
43.
A force of 20 N acts on a 5 kg block. What is the acceleration?
a)
4 g
b)
4 m/s
c)
50 m/s
d)
50 g
44.
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
45.
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
46.
What is the mass of a falling rock if it produces a force of 147 N?
a)
147 g
b)
147 N
c)
15 g
d)
15 N
47.
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
48.
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.
49.
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.
50.
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
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