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WorksheetsSemester One Review
Total questions: 66
Worksheet time: 33mins
Name
Class
Date
1.
Atoms of different elements have different numbers of protons.
a)
True
b)
False
2.
Nonpolar molecules have a slight negative charge on one end and a slight positive charge on the other.
a)
True
b)
False
3.
Adding thermal energy to a cup of water can cause the _________ .
a)
particles to move faster
b)
particles to get farther apart
c)
particles to move faster or get farther apart or both
d)
particles to remain constant
4.
What type of mechanical wave is sound?
a)
compression
b)
rarefraction
c)
longitudinal
d)
transverse
5.
Elements found on the far right of the periodic table in Group 18, are referred to as ______ and are chemically stable.
a)
metals
b)
nonmetals
c)
metalliods
d)
noble gases
6.
A skater slowing as she slides across the ice is an example of ________ .
a)
inertia
b)
momentum
c)
friction
d)
mass
7.
Sound travels fastest in a ________ .
a)
solid
b)
liquid
c)
gas
d)
both a and b
8.
The particles that make up an atom are _______ .
a)
electrons, protons, and nuclei
b)
elements, protons, and electrons
c)
protons, neutrons, and nuclei
d)
protons, neutrons, and electrons
9.
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
10.
Most materials __________ when they are heated.
a)
condense
b)
freeze
c)
expand
d)
contract
11.
Whenever an object exerts a force on another object, the second object exerts a force of the same magnitude, but in the _______ direction to that of the first object.
a)
opposite
b)
same
c)
right angle
d)
vertical
12.
Temperature is a measure of _____ of the particles in an object.
a)
the difference between the potential and kinetic energy
b)
the sum of the potential and kinetic energy
c)
the average potential energy
d)
the average kinetic energy
13.
A slanted surface used to raise an object is a(n) _______ .
a)
efficiency board
b)
effort ramp
c)
inclined plane
d)
wedge
14.
The statement "for every action, there is an equal but opposite reaction" is a statement of _________ .
a)
the law of conservation of momentum
b)
Newton's first law
c)
Newton's second law
d)
Newton's third law
15.
The thermal energy of an object is _________ .
a)
its potential energy
b)
its average kinetic energy
c)
its potential energy minus its kinetic energy
d)
its kinetic energy plus its potential energy
16.
A bat using echoes to locate their prey is an example of which type of energy?
a)
seismic energy
b)
thermal energy
c)
sound energy
d)
nuclear energy
17.
Use the graph to answer the question.
What is the change of state represented by the letter B?
What is the change of state represented by the letter B?
a)
vaporization
b)
sublimation
c)
deposition
d)
melting
18.
Snow melts after a snowstorm because of the addition of ______ .
a)
thermal energy
b)
kinetic energy
c)
potential energy
d)
force
19.
At which temperature are the particles in a pencil moving the fastest?
a)
50 degrees Celsius
b)
40 degrees Celsius
c)
30 degrees Celsius
d)
20 degrees Celsius
20.
A kite stuck in a tree has _______ energy.
a)
potential
b)
kinetic
c)
chemical
d)
thermal
21.
When water is heated on a stove, which kind of energy is transferred?
a)
gravitational energy
b)
kinetic energy
c)
potential energy
d)
thermal energy
22.
Use the graph to answer the question.
What state of matter is represented by the letter C?
What state of matter is represented by the letter C?
a)
liquid
b)
solid
c)
gas
d)
plasma
23.
Dry ice is a solid that changes directly to gas when thermal energy is added. This is an example of ________ .
a)
condensation
b)
deposition
c)
sublimation
d)
thermal energy
24.
Laptops, touchscreens, iPods, and cell phones are good examples of technology that use digital signals.
a)
True
b)
False
25.
Which is the correct chemical formula for methane?
a)
(CH)4
b)
CH4
c)
C4H4
d)
C4H
26.
Which is NOT a reason why digital signals are better than analog signals?
a)
there is less interference
b)
higher picture quality
c)
they can carry more information
d)
it has to be amplified to hear the signal
27.
Which of the following is an example of a noncontact force?
a)
musician playing a piano
b)
athlete hitting a ball with a bat
c)
a ball falling after you toss it in the air
d)
karate expert breaking a stack of wood
28.
During a hot shower, water vapor fogs up the cooler mirror when it turns to water. This is an example of _______ .
a)
condensation
b)
deposition
c)
sublimation
d)
vaporization
29.
In general, metals are ______ .
a)
poor conductors of heat
b)
brittle
c)
poor conductors of electricity
d)
good conductors of heat
30.
Use the graph to answer the question.
What letter shows the location where particles are moving the fastest?
What letter shows the location where particles are moving the fastest?
a)
b
b)
c
c)
d
d)
e
31.
Which of the following is a compound?
a)
gold
b)
oxygen
c)
neon
d)
water
32.
Which is the transfer of energy in the form of electromagnetic waves?
a)
radiation
b)
insulation
c)
conduction
d)
convection
33.
Which of the following can sound NOT travel through?
a)
solids
b)
liquids
c)
gases
d)
vacuum
34.
Electromagnetic waves can travel through _______ ?
a)
matter
b)
vacuum
c)
matter and vacuum
d)
nothing
35.
Which is the transfer of energy by the motion of heated particles in a gas or liquid?
a)
radiation
b)
convection
c)
conduction
d)
insulation
36.
Snow forms in clouds because water vapor changes directly to ice. This is an example of _______ .
a)
condensation
b)
deposition
c)
sublimation
d)
vaporization
37.
The transfer of energy through matter by the direct contact of particles is called _______ .
a)
radiation
b)
convection
c)
conduction
d)
insulator
38.
The unit of force is ______ .
a)
m/s
b)
the hertz
c)
the joule
d)
the newton
39.
Heat is the thermal energy transferred from one object to another because of a difference in ________ .
a)
mass
b)
temperature
c)
volume
d)
potential energy
40.
The energy levels of an atom are occupied by ________ .
a)
electrons
b)
protons
c)
neutrons
d)
ions
41.
According to the graph, about how long did the object take to move 40m?
a)
2 s
b)
3 s
c)
4 s
d)
5 s
42.
What is the term for matter that is made up of two or more different kinds of atoms joined by chemical bonds?
a)
elements
b)
electron
c)
compound
d)
proton
43.
The surface particles of a sample of matter experience a strong downward pull and stretch tight enough for a spider to walk on it. This is an example of ______ .
a)
the liquid state of matter
b)
the solid state of matter
c)
surface tension
d)
viscosity
44.
A(n) ______ is a material that does not allow heat to move through it easily.
a)
conductor
b)
convector
c)
insulator
d)
diffuser
45.
Marco put a pot of water on to boil eggs. After a few minutes, all the water was gone. This is an example of _____ .
a)
condensation
b)
deposition
c)
sublimation
d)
vaporization
46.
Having to push a heavy ball harder than a lighter ball is an example of which law?
a)
Newton's first law
b)
Newton's second law
c)
Newton's third law
47.
A soccer ball will not move unless someone kicks it, is an example of which law.
a)
Newton's first law
b)
Newton's second law
c)
Newton's third law
48.
A girl pushes a sled and the sled accelerates, is an example of which law?
a)
Newton's first law
b)
Newton's second law
c)
Newton's third law
49.
A rocket takes off because the force from the engines pushes on the ground, is an example of which law?
a)
Newton's first law
b)
Newton's second law
c)
Newton's third law
50.
A balloon flies off when the opening is released, is an example of which law?
a)
Newton's first law
b)
Newton's second law
c)
Newton's third law
51.
You keep moving forward in a car unless a seat-belt stops you, is an example of which law?
a)
Newton's first law
b)
Newton's second law
c)
Newton's third law
52.
The girl pushes down on the diving board and the diving board launches her in the air, is an example of which law?
a)
Newton's first law
b)
Newton's second law
c)
Newton's third law
53.
It takes more force to push an adult on a swing, is an example of which law?
a)
Newton's first law
b)
Newton's second law
c)
Newton's third law
54.
Water pushes you forward when you push against it, is an example of which law?
a)
Newton's first law
b)
Newton's second law
c)
Newton's third law
55.
A book sitting on the table, is an example of which law?
a)
Newton's first law
b)
Newton's second law
c)
Newton's third law
56.
A knife is an example of which type of simple machine?
a)
wedge
b)
inclined plane
c)
screw
d)
wheel and axle
57.
A wheel chair ramp is an example of which type of simple machine?
a)
wedge
b)
inclined plane
c)
screw
d)
wheel and axle
58.
A potter's wheel is an example of which type of simple machine?
a)
wedge
b)
inclined plane
c)
screw
d)
wheel and axle
59.
A threaded bolt is an example of which type of simple machine?
a)
wedge
b)
inclined plane
c)
screw
d)
wheel and axle
60.
A bottle opener is an example of which type of simple machine?
a)
screw
b)
wheel and axle
c)
lever
d)
pulley
61.
A screw-top bottle is an example of which type of simple machine?
a)
screw
b)
wheel and axle
c)
lever
d)
pulley
62.
A doorstop is an example of which type of simple machine?
a)
wedge
b)
wheel and axle
c)
lever
d)
pulley
63.
A screwdriver is an example of which type of simple machine?
a)
screw
b)
wheel and axle
c)
lever
d)
pulley
64.
A doorknob is an example of which type of simple machine?
a)
screw
b)
wheel and axle
c)
lever
d)
pulley
65.
A flag pole mechanism is an example of which type of simple machine?
a)
screw
b)
wheel and axle
c)
lever
d)
pulley
66.
A wheel barrow (handle portion) is an example of which type of simple machine?
a)
screw
b)
wheel and axle
c)
lever
d)
pulley
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