NEW
Font size
S
M
L
XL
WorksheetsPhysical Science Benchmark Post Test Review
Total questions: 53
Worksheet time: 27mins
Name
Class
Date
1.
Which formula represents a molecule?
a)
CO2
b)
Ca
c)
C
d)
Co
2.
Which of these statements about elements in the same row of the periodic table is true?
a)
elements in the same row have similar properties
b)
elements in the same row have the same number of energy levels
c)
elements in the same row have the same number of electrons
d)
elements in the same row are equally reactive
3.
Sound travels at a speed of about 340 meters/second in air. If a person hears a police siren 170 meters away, how long did it take for the sound to travel from the police siren to the person's ear?
a)
0.5 seconds
b)
2.0 seconds
c)
5.0 seconds
d)
20.0 seconds
4.
Which situation is an example of balanced forces?
a)
a roller coaster accelerating down the track
b)
a car coming to a sudden stop
c)
a child bouncing up and down on a trampoline
d)
a flowerpot sitting on a windowsill
5.
The colors of the visible spectrum in order from shortest to longest wavelength are
a)
violet, blue, green, orange, yellow, red
b)
red, yellow, orange, violet, blue, green
c)
violet, blue, green, yellow, orange, red
d)
red, orange, violet, blue, green, yellow
6.
How is the frequency of a sound wave related to the sound you hear?
a)
the greater the frequency, the louder the volume
b)
the greater the frequency the softer the volume
c)
the greater the frequency the lower the pitch
d)
the greater the frequency the higher the pitch
7.
An inclined plane is used to lift a 10N box to a height of 0.5 m. How much work does this machine do?
a)
0.1 J
b)
2J
c)
5J
d)
20J
8.
Which of these waves requires a medium?
a)
Sound wave
b)
light wave
c)
infrared wave
d)
ultraviolet wave
9.
In solids, heat transfer occurs by
a)
convection
b)
conduction
c)
radiation
d)
insulation
10.
What is the mechanical advantage of a simple machine that requires and input force of 1.5 N to produce an output force of 6.0 N?
a)
9.0
b)
7.5
c)
4.0
d)
0.25
11.
Which of the following CANNOT overcome an object's inertia?
a)
an unbalanced force
b)
a zero net force
c)
gravity
d)
friction
12.
A quantity of iron combines with 32 grams of sulfur to produce 88 grams of iron sulfide (FeS). How many grams of iron were present before the reaction occurred?
a)
4 grams
b)
32 grams
c)
56 grams
d)
120 grams
13.
Which statement is true?
a)
The particles in a mixture are from the same element
b)
the particles in a solution can be separated only by chemical means
c)
the particles in a solution can be seen in bright light
d)
the particles in some mixtures can be separated by filtration
14.
Where are the inert gases in the periodic table?
a)
in the far left column
b)
in the far right column
c)
in the top row
d)
in the bottom row
15.
A student kicks a soccer ball across a field. The ball rolls across the field and stops. What causes the ball to stop?
a)
gravity acts on it
b)
its own inertia stops it
c)
friction acts on it
d)
balanced forces act on it
16.
When kinetic energy changes to potential energy,
a)
the total amount of energy stays the same
b)
the total amount of energy increases
c)
the total amount of energy decreases
d)
the total amount of matter decreases
17.
Light can be separated into the colors of the visible spectrum when
a)
the light is reflected off a smooth surface
b)
the light is diffracted off a rough surface
c)
the light is refracted by a prism
d)
the light is refracted by a mirror
18.
Which of these devices uses lenses and a mirror to focus the light from objects that are far away?
a)
microscope
b)
prism
c)
camera
d)
telescope
19.
Which of these statements is false?
a)
Loosening a guitar string will make the pitch of its sound lower
b)
shortening a guitar string will make the pitch of its sound higher
c)
plucking a guitar string harder will make the sound louder
d)
plucking a guitar string faster will make the pitch of its sound higher
20.
An archer pulling back the string on his bow is an example of what kind of energy?
a)
potential thermal
b)
radiant
c)
stored mechanical
d)
kinetic
21.
What do you calculate when you divide distance by time?
a)
acceleration
b)
direction
c)
position
d)
speed
22.
In which molecule are all the atoms the same
a)
CO2
b)
CCl4
c)
Cl2
d)
CO
23.
What happens in a combustion reaction?
a)
a metal rusts
b)
a substance reacts with oxygen
c)
an element reacts with an acid
d)
a substance vaporizes
24.
Mass and distance between two objects affect
a)
friction between the objects
b)
magnetic attraction between the objects
c)
gravitational attraction between the objects
d)
electrical attraction between the objects
25.
A roller coaster car has the LEAST kinetic energy when it is
a)
at the top of a hill
b)
halfway down a hill
c)
just reaching the bottom of a hill
d)
three-quarters of the way down a hill
26.
Two light bulbs are connected to an energy source in two loops. This setup is an example of a(n)
a)
electromagnet
b)
parallel circuit
c)
static discharge
d)
series circuit
27.
In which change of state to particles move farther apart?
a)
gas to soild
b)
gas to liquid
c)
liquid to solid
d)
solid to liquid
28.
Which of these is a chemical property?
a)
ability to conduct electricity
b)
ability to dissolve in water
c)
ability to react with oxygen
d)
ability to conduct heat
29.
An ice skater pushes against a wall and slides backward. Which of Newton's laws explains why the skater moved this way?
a)
First Law
b)
Law of Gravity
c)
Second Law
d)
Third Law
30.
If the volume of an object does not change but its mass increases,
a)
earths gravitational attraction on the object increases
b)
the objects density decreases
c)
the objects acceleration due to gravity increases
d)
the object falls faster than it did before
31.
Convection currents do NOT take place in
a)
liquids
b)
gasses
c)
solids
d)
oceans
32.
Which of the following statements about visible light is false?
a)
the visible spectrum includes the only wavelengths the eye can see
b)
All living things see the same wavelengths people can see
c)
the shorter wavelengths of the visible spectrum have more energy than the longer wavelengths
d)
all wavelengths of visible light travel at the same speed
33.
A group of lights are connected in a parallel circuit. One of the bulbs is removed. The rest of the lights will
a)
get brighter
b)
get dimmer
c)
go out
d)
stay lit
34.
The transfer of heat by the collision between atoms is
a)
conduction
b)
convection
c)
radiation
d)
thermal energy
35.
In a hydroelectric power plant, moving water turns a turbine, which generates electricity. What energy conversion takes place in the turbine?
a)
thermal to electrical
b)
electrical to mechanical
c)
thermal to mechanical
d)
mechanical to electrical
36.
A lever is used to lift a 40-N load 0.25m. How much work does the lever do?
a)
10J
b)
16J
c)
100J
d)
160J
37.
Which of these statements about mixtures is false?
a)
a mixture is made up of tow or more pure substances
b)
a mixture can be separated by physical means
c)
one of the substances in a mixture must be a liquid
d)
a mixture does not have a definite makeup
38.
Which of these is a chemical change?
a)
dissolving
b)
bending
c)
boiling
d)
burning
39.
Which of these is an example of velocity?
a)
16mph
b)
20 m/s west
c)
50 k/h east
d)
80 s/m
40.
Why is the amount of energy that comes out of a machine always less than the amount of energy that goes into the machine?
a)
at least some energy evaporates
b)
at least some energy is turned into heat
c)
at least some energy is destroyed
d)
at least some energy is stored as potential energy
41.
What kind of energy is given off by vibrating objects?
a)
radiant energy
b)
sound energy
c)
nuclear energy
d)
thermal energy
42.
What happens to a sound when it travels from air to water?
a)
its loudness increases
b)
its loudness decreases
c)
its speed increases
d)
its speed decreases
43.
The difference kinds of electromagnetic waves vary in their
a)
speed
b)
wavelength
c)
particle size
d)
ability to travel through space
44.
What is the mechanical advantage of an inclined plane that requires an input force of 4.5 N to produce an output force of 9.0 N?
a)
0.5
b)
2.0
c)
4.5
d)
13.5
45.
A car travels 450 kilometers in 5 hours. What is the speed of the car?
a)
45 km/h
b)
90 km/h
c)
111 km/h
d)
2250 km/h
46.
What is combustibility?
a)
the ability to burn
b)
the ability to react with acids
c)
the ability to conduct heat
d)
the ability to dissolve in water
47.
Which formula represents a single element?
a)
NaCl
b)
HCl
c)
CaCl2
d)
Cl
48.
Which of these statements about elements in the same column of the periodic table is true?
a)
elements in the same column have the same number of energy levels
b)
elements in the same column have similar properties
c)
elements in the same column have the same number of electrons
d)
elements in the same column are equally reactive
49.
Which statement 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 only includes direction
d)
velocity includes distance and direction, while speed includes only distance.
50.
Which statement describes a characteristic of longitudinal waves?
a)
they transfer matter from one place to another
b)
they are composed of compressions and rarefactions
c)
energy moves perpendicular to the particles in the medium
d)
they can travel only in a vacuum
51.
If you tighten the strings of a guitar, how will the sound change?
a)
it will become louder
b)
it will become softer
c)
its pitch will become higher
d)
its pitch will become lower
52.
Which state of matter has a definite volume and definite shape?
a)
solid
b)
liquid
c)
gas
d)
plasma
53.
The formula for glucose is C6H12O6
What is Glucose?
What is Glucose?
a)
an element
b)
a compound
c)
a heterogeneous mixture
d)
a homogeneous mixture
Reset
