WorksheetsPhysical Science Final
Total questions: 111
Worksheet time: 3hrs 34mins
Name
Class
Date
1.
Explanation of things of events that is based on knowledge gained from many observations and experiments
a)
Theory
b)
Explanation
c)
hypothesis
d)
scientific law
2.
simple machine that consists of a grooved wheel with a rope, chain, or cable that runs along a groove. It changes direction of the effort force, and can be fixed or movable.
a)
Pulley
b)
wheel
c)
gear
d)
machine
3.
factor that changes as the independent variable changes.
a)
constant
b)
control
c)
dependent variable
d)
variable
4.
rate of change of velocity, which occurs if an object speeds up, changes direction, or slows down.
a)
acceleration
b)
speed
c)
velocity
d)
inertia
5.
resistance of an object to a change in its motion
a)
force
b)
acceleration
c)
resistance
d)
inertia
6.
highest point of a transverse wave
a)
trough
b)
crest
c)
pole
d)
magnitude
7.
describes the speed and direction of a moving objects
a)
acceleration
b)
velocity
c)
motion
d)
inertia
8.
region where a magnets force is the strongest
a)
pole
b)
domain
c)
range
d)
constant
9.
electromagnetic waves with wavelengths 390 billionths to 770 billionths of a meter that can be seen by human eyes
a)
visible light
b)
spectrum
c)
ray
d)
prism
10.
ultrahigh frequency energetic electromagnetic wave that
a)
UV
b)
XRay
c)
imaging
d)
lens
11.
group of atoms having aligned magnetic poles
a)
magnetic domain
b)
magnetic range
c)
pole
d)
magnetic field
12.
converges light rays, is thicker in the middle that at the edge, and can form real or virtual images
a)
concave lens
b)
convex lens
c)
concave mirror
d)
convex mirror
13.
electricity produced from the energy of moving water
a)
steam power
b)
hydroelectricity
c)
alternate power
d)
wave power
14.
factor that, as it changes, affects the measure of another variable
a)
dependent variable
b)
independent variable
c)
constant
d)
control
15.
describes action-reaction pairs. For every action there is an equal and opposite reaction
a)
1st law
b)
2nd law
c)
3rd law
d)
law of inertia
16.
states that any two masses exert an attractive force on each other, the amount of which depends on the mass of the two objects and the distance between them
a)
law of gravitation
b)
law of inertia
c)
2nd law
d)
3rd law
17.
force that opposes motion between two touching surfaces
a)
opposition
b)
resistance
c)
work
d)
friction
18.
energy in the form of motion; depends on the mass and velocity of the object
a)
Kinetic Energy
b)
Gravity
c)
potential energy
d)
Gravitational potential energy
19.
renewable organic matter from plants and animals, such as wood and animal manure, that can be burned to heat water and produce electricity
a)
waste
b)
manure
c)
biomass
d)
natural gas
20.
stored energy due to position; can be converted to kinetic energy when something acts to release it
a)
potential energy
b)
kinetic energy
c)
stored energy
d)
used energy
21.
push or pull that one body exerts on another
a)
motion
b)
force
c)
work
d)
power
22.
states that energy can never be created or destroyed
a)
law of conservation of evergy
b)
law of converstaiuon
c)
law of energy
d)
law of use of energy
23.
energy stored by things attracted to each other by the force of gravity
a)
science method
b)
scientific method
c)
scientific process
d)
scientific
24.
organized set of investigation procedures that can include stating a problem, forming a hypothesis
a)
Scientific Process
b)
scientific method
c)
science method
d)
scientific steps
25.
standard used for comparison of test results in an experiment
a)
contrast
b)
control
c)
comparitate
d)
standard
26.
transfer of energy that occurs when a force makes an object move; measured in joules
a)
power
b)
force
c)
work
d)
energy
27.
educated guess using what you know and what you observe
a)
theory
b)
conclusion
c)
hypothesis
d)
research
28.
the lease dense region of a compressional wave
a)
rarefraction
b)
reflection
c)
diffraction
d)
release
29.
measure of how much of the work put into a machine is changed into work done by a machine
a)
power
b)
efficiency
c)
force
d)
effort
30.
bending of a wave as it changes speed, moving from one medium to another
a)
refraction
b)
rarefaction
c)
diffraction
d)
reflection
31.
flat, smooth mirror that reflects light to form upright, life-sized virtual images
a)
plane mirror
b)
convex mirror
c)
concave mirror
d)
plane lense
32.
amount of work done, or the amount of energy transferred, in a certain amount of time; measured in watts
a)
effort
b)
energy
c)
work
d)
power
33.
combination of two or more simple machines
a)
machine
b)
compound machine
c)
simple machine
d)
effort arm
34.
a type of wave that forms when waves of equal wavelength and amplitude, but traveling in opposite directions, continuously interfere with each other
a)
standing wave
b)
tansverse wave
c)
compressional wave
d)
node
35.
number of times a machine multiplies the effort force applied to it
a)
Disadvantage
b)
work
c)
power
d)
mechanical advantage
36.
how high or low a sound appears to be, which is rlated to the frequency of the sound waves
a)
quality
b)
pitch
c)
sound
d)
noise
37.
a type of wave such as a water wave, where the matter in the medium moves back and forth at right angles to the direction that the wave travels; has crests and troughs.
a)
standing wave
b)
transverse wave
c)
node
d)
compressional wave
38.
describes the bending of waves around a barrier
a)
rarefraction
b)
diffraction
c)
refraction
d)
compression
39.
thermal energy that flows from a warmer material; is measured in joules
a)
temperature
b)
thermal energy transfer
c)
heat
d)
warmth
40.
the study of sound
a)
soundology
b)
audio
c)
acoustics
d)
music
41.
describes the differences among sounds having the same pitch and loudness
a)
sound
b)
tone
c)
quality
d)
acoustic
42.
a measure of the average kinetic energy of all the particles in an object
a)
temperature
b)
heat
c)
warmth
d)
thermal energy
43.
total energy, including kinetic and potential energy, of the particles that make up a material, is transferred by conduction, convection, and radiation.
a)
thermal energy
b)
heat
c)
temperature
d)
kinetic energy
44.
system that uses the reflection of sound waves to find objects that are underwater.
a)
radar
b)
sonar
c)
waves
d)
underwater investigation
45.
reflects light from a surface that curves outward and forms a reduced, upright, virtual image
a)
convex mirror
b)
concave mirror
c)
convex lens
d)
concave lens
46.
electromagnetic wave with frequencies slightly higher than visible light that can have useful and harmful effects
a)
xray
b)
ultrasonic
c)
ultrasonar
d)
ultraviolet
47.
sound waves with frequencies above 20,000 Hz
a)
ultrasonic
b)
ultrasonar
c)
ultraviolet
d)
waves
48.
transfer of energy in the form of electromagnetic waves
a)
radiation
b)
conduction
c)
convection
d)
contusion
49.
transfer of energy by motion of heated particles in a fluid
a)
radiation
b)
convection
c)
conduction
d)
contusion
50.
transfer of energy through matter by colliding particles; takes place because the particles are in constant motion
a)
radiation
b)
convection
c)
conduction
d)
contusion
51.
reflects light from a surface that curves inward and can magnify objects or create beams of light
a)
concave mirror
b)
convex mirror
c)
concave lens
d)
convex lens
52.
device that measures radioactivity by producing an electric current when radiation is present; emits a clicking sound or flashing light
a)
seismometer
b)
geigercounter
c)
gregor counter
d)
radiation detector
53.
electric current that reverses its direction regularly and is used to run appliances
a)
direct current
b)
alternating current
c)
routed current
d)
alternate energy
54.
electric current that flows through a wire in only one direction.
a)
alternating current
b)
direct current
c)
alternate energy
d)
routed current
55.
large wheel that rotates when pushed by steam, wind, or water and that provides mechanical energy to a generator.
a)
windmill
b)
harness
c)
turbine
d)
generator
56.
device that converts mechanical energy to electrical energy by rotating a wire coil through the magnetic field of a permanent magnet
a)
turbine
b)
generator
c)
electromagnet
d)
coil
57.
lowest point of a transverse wave
a)
trough
b)
crest
c)
amplitude
d)
wavelength
58.
a type of wave where the matter in the medium moves back and forth in the same direction that the wave travels
a)
compressional
b)
transverse
c)
standing
d)
node
59.
diverges light rays to form reduced, upright, virtual images
a)
convex lens
b)
concave lens
c)
convex mirror
d)
concave mirror
60.
states that a net force acting on an object causes the object to accelerate in the direction of the net force.
a)
2nd law
b)
1st law
c)
3rd law
d)
law of inertia
61.
the sum of the forces that are acting on an object
a)
force
b)
full force
c)
net force
d)
total
62.
distance and direction of an objects change in position form the starting point
a)
acceleration
b)
speed
c)
velocity
d)
displacement
63.
nonrenewable energy resources
a)
renewable energy
b)
renewable resources
c)
nonreneqable resources
d)
fossil fuels
64.
amount of time it takes for half the nuclei in a sample of a radioactive isotope to decay
a)
partial life
b)
half life
c)
half time
d)
part time
65.
any radioactive by product that results when radioactive materials are used
a)
nuclear waste
b)
trash
c)
nuclear half life
d)
disposal
66.
a rhythmic disturbance that transfers energy through matter or space; exists only as long as it has energy to carry
a)
transverse wave
b)
compression wave
c)
standing wave
d)
wave
67.
energy source, such as solar energy, that is replaces almost as quickly as it is used.
a)
nonrenewable resource
b)
renewable resource
c)
fossil fuel
d)
waste
68.
He
a)
Hydrogen
b)
Helium
c)
Hello
d)
Heredon
69.
Ne
a)
Nitrogen
b)
Nestle
c)
Neon
d)
Nextel
70.
Fluorine
a)
F
b)
Fe
c)
Fl
d)
Fo
71.
Ar
a)
Argon
b)
Arsenic
c)
Aluminum
d)
Anemic
72.
Chlorine
a)
Ch
b)
C
c)
Ce
d)
Cl
73.
Sulfur
a)
Su
b)
S
c)
Sf
d)
Sr
74.
Oxygen
a)
O
b)
Ox
c)
Og
d)
On
75.
N
a)
Neon
b)
Sodium
c)
Nickel
d)
Nitrogen
76.
P
a)
Phosporous
b)
Palladium
c)
Plutonium
d)
Proton
77.
Si
a)
Selenium
b)
Silly
c)
Sitogen
d)
Silicon
78.
Magnesium
a)
Ma
b)
Mg
c)
M
d)
Ms
79.
Boron
a)
Bo
b)
Bn
c)
B
d)
Br
80.
Aluminum
a)
Au
b)
Al
c)
An
d)
Am
81.
H
a)
Hydrogen
b)
Helium
c)
Hello
d)
Hydrocol
82.
Calcium
a)
C
b)
Cl
c)
Cm
d)
Ca
83.
Lithium
a)
L
b)
Li
c)
Lm
d)
Lt
84.
K
a)
Krypton
b)
Kallen
c)
Potassium
d)
Porten
85.
Be
a)
Beton
b)
Bromine
c)
Beryllium
d)
Bestie
86.
Na
a)
Sodium
b)
Naxen
c)
Natrogen
d)
Potassium
87.
C
a)
Carbon
b)
Calcium
c)
Cadmium
d)
Crazy
88.
Copper
a)
C
b)
Co
c)
Cp
d)
Cu
89.
Gold
a)
G
b)
Go
c)
Ag
d)
Au
90.
Helium
a)
H
b)
He
c)
Hm
d)
K
91.
Iodine
a)
Fe
b)
Io
c)
Id
d)
I
92.
Iron
a)
I
b)
Fe
c)
Ir
d)
In
93.
Nitrogen
a)
Ni
b)
Nt
c)
N
d)
Ng
94.
Zn
a)
Zinc
b)
Nickel
c)
Nitrogen
d)
Zicronium
95.
Phosphorus
a)
P
b)
K
c)
Pb
d)
Po
96.
silver
a)
Au
b)
Ag
c)
Sn
d)
S
97.
Tungsten
a)
Q
b)
W
c)
Tu
d)
Tg
98.
Arsenic
a)
Ar
b)
As
c)
Ac
d)
Ai
99.
Cesium
a)
Cs
b)
Ce
c)
Si
d)
Cm
100.
Lead
a)
Pb
b)
Le
c)
Ld
d)
Pl
101.
Xenon
a)
Xe
b)
Xn
c)
X
d)
Z
102.
Bismuth
a)
Bi
b)
Bs
c)
B
d)
Bm
103.
Tin
a)
Ti
b)
Sn
c)
S
d)
In
104.
Mercury
a)
Hg
b)
Me
c)
H
d)
Mc
105.
Nickel
a)
Ni
b)
Nc
c)
Nk
d)
K
106.
Cobalt
a)
C
b)
Co
c)
Cb
d)
Ca
107.
Neon
a)
N
b)
Ne
c)
No
d)
Nn
108.
A horizontal row of elements in the periodic table.
a)
column
b)
group
c)
period
109.
A vertical column in the periodic table. Elements share similar properties.
a)
row
b)
group
c)
period
110.
How did Mendeleev organize the elements in his periodic table?
a)
increasing mass only
b)
increasing atomic number only
c)
increasing atomic mass with periods and groups
d)
increasing atomic mass with periods and groups
111.
Why did Mendeleev leave blanks in his periodic table?
a)
forgot elements
b)
left room for elements not yet discovered
c)
placed elements in wrong positions leaving gaps
100 %
