The location of the protons and neutrons in an atom.
cloud
rings
nucleus
4. Multiple Choice
1 minute
1 pt
The negatively charged particles found in the cloud.
protons
neutrons
electrons
quarks
5. Multiple Choice
1 minute
1 pt
Using the mass from the periodic table, how would you calculate the number of neutrons?
protons x 2
protons divided by 2
mass + protons
mass - protons
6. Multiple Choice
1 minute
1 pt
How many protons in Sulfur - 35?
35
16
51
19
7. Multiple Choice
1 minute
1 pt
What is the mass of Carbon - 14?
14
6
7
8
8. Multiple Choice
1 minute
1 pt
Isotopes of an element have the same mass number but different atomic numbers because they contain a different number of protons?
True
False
9. Multiple Choice
1 minute
1 pt
Thomson nicknamed his model the:
Planetary Orbit Model
Plum Pudding Model
Bohr Model
Cloud Model
10. Multiple Choice
1 minute
1 pt
Almost all the mass of an atom is located in its
protons
neutrons
electron cloud
nucleus
11. Multiple Choice
1 minute
1 pt
What is the number of protons that the element in this image contain?
14
7
15
18
12. Multiple Choice
1 minute
1 pt
What is the atomic mass of "F"
9
18
17
19
13. Multiple Choice
1 minute
1 pt
What is the atomic symbol for sodium?
Na
So
NaCl
S
14. Multiple Choice
1 minute
1 pt
What is the number of protons that the element in this image contain?
14
7
15
18
15. Multiple Choice
1 minute
1 pt
When naming ionic compounds you always write the name of the positive element _______ .
first
second
with "ide"
with a prefix
16. Multiple Choice
30 seconds
1 pt
In most cases, when naming you change the ending of the second element to ________.
-ate.
-ite.
-ide.
-ine.
17. Multiple Choice
1 minute
1 pt
This rule says that all atoms want a full outer orbital.
pentet rule
hextet rule
octet rule
quartet rule
18. Multiple Choice
1 minute
1 pt
MgF2
magnesium fluoride
manganese Phosphide
magnesium(III) fluoride
magnesium fluoride(II)
19. Multiple Choice
1 minute
1 pt
What is the formula for calcium phosphide?
CaP
Ca2P3
Ca3P2
Ca2P
20. Multiple Choice
1 minute
1 pt
Which of the following has six valence electrons?
Sodium
Iodine
Oxygen
Neon
21. Multiple Choice
1 minute
1 pt
Phosphorous trichloride
PCl3
P3Cl
P3Cl3
PCL
22. Multiple Choice
1 minute
1 pt
Disulfur trioxide
S3O2
SO
S2O3
S2O
23. Multiple Choice
1 minute
1 pt
P2O5
Phosphorus Oxide
Pentaphosphorus Dioxide
Diphosphorous pentoxide
Phosphoric Oxygen
24. Multiple Choice
1 minute
1 pt
CO
Carbon Oxide
Carbon Oxygen
Dicarbon dioxide
Carbon Monoxide
25. Multiple Choice
1 minute
1 pt
PBr5
Phosphorus Bromide
Phosphorus Pentabromide
Pentaphosphorus bromide
Phosphorus Bromine
26. Multiple Choice
1 minute
1 pt
What is the name of Ca(NO3)2
calcium nitrite
calcium II nitrate
calcium nitrate
carbon nitrate
27. Multiple Choice
1 minute
1 pt
What is the name of the compound with the formula FePO4?
iron phosphate
iron (II) phosphate
iron (IV) phosphate
iron (III) phosphate
28. Multiple Choice
1 minute
1 pt
What kind of bond forms when atoms share electrons?
Chemical bond
Ionic bond
Covalent bond
Electron bond
29. Multiple Choice
1 minute
1 pt
What type of ionic compounds have the roman numeral?
Non-covalent compounds
Without transition metals
Covalent compounds
With transition metals
30. Multiple Choice
1 minute
1 pt
Name the following compound: BF3
boron fluoride
boron difluoride
monoboron trifluoride
boron trifluoride
31. Multiple Choice
1 minute
1 pt
what is the name of CCl4?
carbon tetrachloride
monocarbon tetrachloride
tetracarbon monochloride
carbon chloride
32. Multiple Choice
1 minute
1 pt
Fe+3 combines with S-2 to form
Fe+4(S)=3
Fe2S4
Fe2S3
Fe3S2
33. Multiple Choice
1 minute
1 pt
Ca+2 combines with Br- to form
Ca2Br2
CaBr
Ca(br)2
CaBr2
34. Multiple Choice
1 minute
1 pt
Which of these is covalent?
NaCl
Pb(NO3)2
CO2
AlCl3
35. Multiple Choice
1 minute
1 pt
In the modern periodic table elements are arranged by:
atomic mass
atomic number
valence electrons
number of isotopes
36. Multiple Choice
45 seconds
1 pt
Each column in the periodic table is called a
period
group
cluster
unit
37. Multiple Choice
20 seconds
1 pt
Which group of the periodic table is composed of inert (not reactive) gases?
alkali metals
alkaline earth metals
halogens
noble gases
38. Multiple Choice
1 minute
1 pt
Elements which are shiny, conduct electricity and heat are called
metal
nonmetal
metalloid
nonexistent
39. Multiple Choice
1 minute
1 pt
The atoms along the staircase are called
metals
nonmetals
metalloids
noble gases
40. Multiple Choice
45 seconds
1 pt
Which is a halogen?
Helium
Chlorine
Oxygen
Neptune
41. Multiple Choice
45 seconds
1 pt
Which is an alkali metal?
Magnesium
Iron
Sodium
Europium
42. Multiple Choice
1 minute
1 pt
This is used to represent the number of each atom being represented.
A Exponent
The Coefficient
A Molecule
The Subscript
43. Multiple Choice
1 minute
1 pt
This appears on the left side of a chemical formula, and represents how many molecules there are.
An Atom
The Subscript
A Molecule
The Coefficient
44. Multiple Choice
1 minute
1 pt
How many hydrogen atoms are in this chemical formula:
4 hydrogen atoms
1 hydrogen atom
2 hydrogen atoms
3 hydrogen atoms
45. Multiple Choice
1 minute
1 pt
Law of conservation of mass states that
matter is created
matter is destroyed
matter is neither created nor destroyed
matter does not change
46. Multiple Choice
1 minute
1 pt
Evidence of a chemical reaction include:
Phase change
No new substance
Bubbles forming
Shape change
47. Multiple Choice
1 minute
1 pt
What will weigh more when a chemical change is complete? The reactants before the chemical reaction, or the product after the reaction is complete?
They both will weigh the same
The product always weighs more than the reactant
The reactant will weigh more than the product
They both will loose mass after the reaction
48. Multiple Choice
1 minute
1 pt
The amount of matter you start with CAN BE DIFFERENT than the amount of matter you end with.
True, it can be different
False, it remains the same
49. Multiple Choice
1 minute
1 pt
What is the smallest identifiable unit of an element?
atom
molecule
hydrogen
quark
50. Multiple Choice
1 minute
1 pt
Iron reacts with oxygen and rusts.
chemical change
physical change
51. Multiple Choice
1 minute
1 pt
If something is chemically bonded it _______.
can be separated by a simple physical process
is physically combined
can not be separated by a simple physical process
52. Multiple Choice
1 minute
1 pt
A tire is inflated with air.
chemical change
physical change
53. Multiple Choice
1 minute
1 pt
Paper burns.
chemical change
physical change
54. Multiple Choice
1 minute
1 pt
If a mixture is uniform throughout, it is _______.
heterogeneous
salt
homogeneous
a compound
55. Multiple Choice
1 minute
1 pt
If a mixture is NOT uniform throughout, it is ______________.
heterogeneous
heterosexual
homogeneous
a compound
56. Multiple Choice
1 minute
1 pt
Which is Chemical Equation is Balanced?
CH₄+O₂------CO₂+2H₂O
H₂+O₂-----2H₂O₄
4Al+3O₂-----2Al₂O₃
57. Multiple Choice
1 minute
1 pt
Matter is anything that
takes up space and has mass.
is in our universe.
is light, sound or ideas.
58. Multiple Choice
1 minute
1 pt
Molecule
A group of atoms bonded together
Basic unit of a chemical element
Coefficient
Subscript
59. Multiple Choice
30 seconds
1 pt
At higher temperatures
particles in an object have less energy
particles in an object move faster
a gas contracts
60. Multiple Choice
45 seconds
1 pt
Particles (molecules) in a ______________________ have more energy than the other states of matter.
gas
solid
liquid
61. Multiple Choice
45 seconds
1 pt
A gas
has a definite shape but no definite volume
has a definite volume but no definite shape
has fast-moving particles
62. Multiple Choice
45 seconds
1 pt
Which state of matter has tightly packed molecules?
solid
liquid
gas
63. Multiple Choice
45 seconds
1 pt
Which state of matter has a definite shape?
solid
liquid
gas
64. Multiple Choice
45 seconds
1 pt
Define a liquid.
Indefinite shape, indefinite volume
Definite shape, definite volume
Found in stars
Definite volume, indefinite shape
65. Multiple Choice
45 seconds
1 pt
The state of matter that has no definite size or shape is
Solid
Liquid
Gas
66. Multiple Choice
45 seconds
1 pt
Particles of a liquid
are tightly packed together and stay in a fixed position.
have no viscosity.
decrease in volume with increasing temperature.
are free to move around one another but still touch.
67. Multiple Choice
30 seconds
1 pt
The speed of the molecules determines the _____.
volume
density
pressure
temperature
68. Multiple Choice
1 minute
1 pt
Name the type of radioactive particle that can be stopped by a sheet of paper.
alpha
beta
gamma
lambda
69. Multiple Choice
1 minute
1 pt
Name the most penetrating type of radiation.
alpha
beta
gamma
lambda
70. Multiple Choice
1 minute
1 pt
A helium nucleus with two protons and two neutrons is called a(n) ____ particle
alpha
beta
gamma
lambda
71. Multiple Choice
1 minute
1 pt
Negatively charged particles emitted from a nucleus at a high speed are ____ .
protons
neutrons
electrons
protons and neutrons
72. Multiple Choice
1 minute
1 pt
The process by which nuclei having small masses are united to form a single larger nucleus is called nuclear ____.
fusion
fission
reactivity
waste
73. Multiple Choice
1 minute
1 pt
The three types of nuclear radiation in order of increasing penetrating power are
alpha, beta, gamma
alpha, gamma, beta
beta, alpha, gamma
gamma, alpha, beta
74. Multiple Choice
30 seconds
1 pt
Both a fusion reaction and a fission reaction produce
heat (energy)
light
sound
magnetism
75. Multiple Choice
30 seconds
1 pt
Energy in the sun is produced as a result of nuclear ____ reactions.
fusion
fission
waste
sub
76. Multiple Choice
1 minute
1 pt
The rate at which a radioactive element decays is its ____.
quarter life
whole life
wonderful life
half life
77. Multiple Choice
45 seconds
1 pt
Barium-122 has a half-life of 2 minutes. A fresh sample weighing 80 g was obtained. If it takes 10 minutes to set up an experiment using barium-122, how much barium-122 will be left when the experiment begins?
0.25g
2.5g
25g
80g
78. Multiple Choice
1 minute
1 pt
If 10 mg of iodine 131 is given to a patient, how much is left after 24 days? The half-life of iodine-131 is 8 days.
1.25mg
1.25g
10g
10mg
79. Multiple Choice
45 seconds
1 pt
The half-life of strontium-90 is 25 years. How much strontium-90 will remain after 100 years if the initial amount is 4.0 g?
3.0g
0.25mg
0.3g
0.25g
80. Multiple Choice
1 minute
1 pt
If "ionization" is the process of an atom becoming an ion, which of the following describes this?
The atom jumps from one period to another
Atom loses or gains protons
Lithium turns into flourine
Atom loses or gains electrons
81. Multiple Choice
1 minute
1 pt
What is an atom or group of atoms that has an electric charge?
ion
metal
nonmetal
ionic compound
82. Multiple Choice
1 minute
1 pt
What is a cation?
positive ion
Neutral atom
Two additional protons
negative ion
83. Multiple Choice
1 minute
1 pt
What is an anion?
positive ion
negative ion
neutral atom
2 neutrons taken away
84. Multiple Choice
1 minute
1 pt
located in the outermost energy level of an atom; their behavior determines what kind of compound is formed
covalent compound
chemical bond
ionic compound
valence electrons
85. Multiple Choice
1 minute
1 pt
Which compound has the weaker chemical bond?
ionic
covalent
metallic
electric
86. Multiple Choice
1 minute
1 pt
When a metal reacts with a nonmental, it makes
an ionic compound
a covalent compound
a low melting point
water molecules
87. Multiple Choice
1 minute
1 pt
Gases have...
A definite shape and volume
A definite shape but no definite volume
No definite shape but a definite volume
No definite shape or volume
88. Multiple Choice
45 seconds
1 pt
Boyle's law : The pressure and volume of a gas show a _____ relationship.
No relationship
Direct
Inverse
Equal
89. Multiple Choice
45 seconds
1 pt
Which of the following terms identifies the change from a liquid to gas?
Vaporization
Condensation
Deposition
Sublimation
90. Multiple Choice
45 seconds
1 pt
When the temperature of matter increases the particles...
speed up and move closer
speed up and move farther apart
slow down and move closer together
slow down and move farther apart
91. Multiple Choice
45 seconds
1 pt
What happens to the average kinetic energy of matter when it is heated?
It increases
It decreases
It doesn't change
It cannot be determined
92. Multiple Choice
45 seconds
1 pt
What is a substance that is dissolved in another substance?
solution
solute
solvent
compound
93. Multiple Choice
1 minute
1 pt
In the above picture, a powder is about to be poured into the liquid. Which of the following should be done to make this powder dissolve faster?
stir the powder in the liquid
freeze the mixture
add more powder to the liquid
store the mixture in a dark place
94. Multiple Choice
1 minute
1 pt
What does it mean to dilute a solution?
lower the concentration of solute per solvent
increase the concentration of solute per solvent
95. Multiple Choice
1 minute
1 pt
What types of ions do acids produce in water?
Hydroxide
Hydrogen
96. Multiple Choice
1 minute
1 pt
On the pH scale what number is the most acidic
14
0
1
7
97. Multiple Choice
1 minute
1 pt
Water is considered the universal solvent because...
it dissolves to many solutes.
the Earth is mostly made of it.
humans are mostly comprised of it.
it's so useful.
98. Multiple Choice
1 minute
1 pt
How does a solution become supersaturated?
dissolve lots of solute in it.
dissolve a little solute in it.
dissolve more solute than you should be able to.
dissolve a super amount of solvent in it.
99. Multiple Choice
1 minute
1 pt
Solubility is a ________ property.
neat
chemical
physical
an organic
100. Multiple Choice
1 minute
1 pt
A solution is a ________ mixture.
heterogeneous
homogeneous
dumb
mixed
101. Multiple Choice
1 minute
1 pt
At approximately what temperature does the solubility of sodium chloride, NaCl, match the solubility of potassium dichromate, K2Cr2O7?
60 ºC
30 ºC
50 ºC
83 ºC
102. Multiple Choice
1 minute
1 pt
How many grams of K2Cr2O7, are soluble in 100 g of water at 95 ºC?
83 grams
75 grams
40 grams
12 grams
103. Multiple Choice
1 minute
1 pt
Which substance is MOST soluble at 0 ºC?
KI
NaNO3
NaCl
Ce2(SO4)3
104. Multiple Choice
45 seconds
1 pt
Energy of motion is which type of energy?
Potential
Kinetic
Sound
Gravitational
105. Multiple Choice
1 minute
1 pt
What type of energy is in this picture?
Kinetic
Potential
Chemical
Sound
106. Multiple Choice
45 seconds
1 pt
When plants convert the sun's energy into food, which type of energy is it?
kinetic
chemical
thermal
radiant
107. Multiple Choice
1 minute
1 pt
What kind of energy is represented in this picture?
Thermal
Potential
Nuclear
Mechanical
108. Multiple Choice
45 seconds
1 pt
What kind of energy does this device use?
Chemical
Electrical
Thermal
Chemical
109. Multiple Choice
45 seconds
1 pt
A battery converts what type of energy to another?
sound to kinetic
light to heat
mechanical to electrical
chemical to electrical
110. Multiple Choice
1 minute
1 pt
The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?
thermal to light
gravitational to potential
radiant to electrical
chemical to light
111. Multiple Choice
20 seconds
1 pt
A 15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25°C to 175°C. Calculate the specific heat capacity of iron.
0.46 J/gxoC
1.654 J/gxoC
2,567,446.875 J/gxoC
112. Multiple Choice
1.5 minutes
1 pt
How many joules of heat are needed to raise the temperature of 10.0 g of aluminum from 22°C to 55°C, if the specific heat of aluminum is 0.90 J/gx°C?
297 Joules
0.003 Joules
297 J/gx°C
0.003 J/gx°C
113. Multiple Choice
30 seconds
1 pt
The symbol for specific heat is .......
c
Q
m
t
114. Multiple Choice
1 minute
1 pt
Specific heat is....
The measure of kinetic energy of an objects particles
A measure of the energy needed to increase the average kinetic energy of the particles
The heating caused by the motion of flluid due to temperature difference
The transfer of energy by electromagnetic radiation
115. Multiple Choice
1.5 minutes
1 pt
A high specific heat means...
It heats up quickly with energy added
It requires more energy to change temperature
116. Multiple Choice
1 minute
1 pt
It takes 20 N of force to move a box a distance of 10 m. How much work is done on the box in Joules?
200 J
20.0J
100 J
10 J
117. Multiple Choice
1 minute
1 pt
If you do 40 joules of work lifting a 10N box, how high is the shelf you move it to.
400m
40m
50m
4m
118. Multiple Choice
1 minute
1 pt
In which of the following situations do your arms do work on books?
holding a heavy stack of books while standing
carrying a heavy stack of books
dropping a stack of books onto a table
picking up a pile of books from the floor
119. Multiple Choice
45 seconds
1 pt
A runners races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?
10 m/s
1000 m/s
100 seconds
10 seconds
120. Multiple Choice
1 minute
1 pt
The graph represents
no motion
constant velocity
acceleration
negative acceleration
121. Multiple Choice
1 minute
1 pt
The graph represents
no motion
Constant velocity
Acceleration
negative acceleration
122. Multiple Choice
1 minute
1 pt
Find the velocity of a truck that travels 75 miles north in 2.5 hours.
187.5 mph north
30 mph north
300 mph north
200 mph north
123. Multiple Choice
1 minute
1 pt
Find the velocity of a plane that traveled 3000 miles west in 5 hours.
65 mph west
6 mph west
600 mph west
6000 mph west
124. Multiple Choice
1 minute
1 pt
What are the units of Force?
kg*m/sec
kg*m
N
N*sec
125. Multiple Choice
1 minute
1 pt
What is the unit for velocity?
m/sec
kg/sec
kg/m
kg m/sec
126. Multiple Choice
1 minute
1 pt
What is the unit for mass?
m/sec
kg/sec
kg
kg m/sec
127. Multiple Choice
1 minute
1 pt
What is the unit for acceleration?
m/s
m/s2
kg*m/s
N
128. Multiple Choice
20 seconds
1 pt
What law is best described by inertia?
1st
2nd
3rd
129. Multiple Choice
1 minute
1 pt
1st
2nd
3rd
130. Multiple Choice
20 seconds
1 pt
1st
2nd
3rd
131. Multiple Choice
1 minute
1 pt
When you kick a ball across a feild and it hits someone in the face and they fly backwards
Action=Reaction
Speed
Motion
Air
132. Multiple Choice
1 minute
1 pt
If the mass of an object decreases, what property will decrease as well?
Acceleration
Force
Inertia
Velocity
133. Multiple Choice
1 minute
1 pt
If an unbalanced force acts on an object, what will be the outcome?
No change
Acceleration
Mass will increase
Mass will decrease
134. Multiple Choice
1 minute
1 pt
Acceleration on earth due to gravity is....
9.8 meters
9.8 seconds
9.8 meters per second
9.8 meters per second squared
135. Multiple Choice
1 minute
1 pt
How much work is produced when 350 N is used to move a car 5 m?
70 J
1750 J
355 J
175 J
136. Multiple Choice
1 minute
1 pt
What is a machine?
an object that has AI
an object that is designed to take over the earth in 2020
simple mechanisms that use mechanical advantage to multiply force.
a mechanism that is used to decrease the amount of work done
137. Multiple Choice
1 minute
1 pt
What is effort (input) force?
the force required by a machine in order to accomplish work (the force you put on the machine)
the force which an effort force must overcome in order to do work on an object via a simple machine.
the force the machine exerts on a object
the output work times the input distance
138. Multiple Choice
1 minute
1 pt
What is resistance (output) force?
the force required by a machine in order to accomplish work (the force you put on the machine)
the force which an effort force must overcome in order to do work on an object via a simple machine.
the force the machine exerts on a object
the output work times the input distance
139. Multiple Choice
45 seconds
1 pt
What property of this wave is represented by the letter "A"
amplitude
crest
trough
wavelength
140. Multiple Choice
45 seconds
1 pt
What property of the wave is represented by the letter "B"?
amplitude
crest
trough
wavelength
141. Multiple Choice
1 minute
1 pt
The highest point on a wave is:
the crest
the trough
the top
the coast
142. Multiple Choice
1 minute
1 pt
The lowest point on a wave is the:
Amplitude
Crest
Trough
Wavelength
143. Multiple Choice
45 seconds
1 pt
The number of wavelengths that pass a point each per second is:
frequency
period
longitudinal
transverse wave
144. Multiple Choice
1 minute
1 pt
Which letter(s) represent the trough of the wave?
A
B & D
D
C & G
145. Multiple Choice
1 minute
1 pt
Which wave in the diagram has the greatest wavelength?
1
2
3
4
146. Multiple Choice
1 minute
1 pt
Which wave in the diagram has the greatest frequency?
1
2
3
4
147. Multiple Choice
45 seconds
1 pt
Which of the following can sound travel through?
solid
liquid
gas
all of the above
148. Multiple Choice
30 seconds
1 pt
Electromagnetic waves include the following except
radio waves
X-rays
doing the wave at a football game
microwaves
149. Multiple Choice
45 seconds
1 pt
regular disturbances that carry energy through matter or space
crest
energy
wave
trough
150. Multiple Choice
30 seconds
1 pt
When a wave strikes and object and bounces off. (example echo)
medium
refraction
reflection
interference
151. Multiple Choice
45 seconds
1 pt
When a wave bends as it passes through at an angle from one medium to another.(example: pencil in a glass of water-)
medium
refraction
reflection
interference
152. Multiple Choice
1 minute
1 pt
How do you measure the wavelength of a longitudinal wave?
Crest to crest
Middle of compression to middle of next compression
You cannot measure the wavelength.
It does not have a wavelength.
153. Multiple Choice
1 minute
1 pt
Which wave is pictured?
Transverse
Longitudinal
Both
Neither
154. Multiple Choice
1 minute
1 pt
Which wave is pictured?
Transverse
Longitudinal
Both
Neither
155. Multiple Choice
1 minute
1 pt
How many waves are in this picture?
1
2
3.5
4
156. Multiple Choice
1 minute
1 pt
Sound is an example of which type of wave?
Transverse
Longitudinal
Both
Neither
157. Multiple Choice
1 minute
1 pt
Which of the following best explains the difference between transverse and longitudinal waves?
Only transverse waves vibrate.
Only longitudinal waves can travel through a solid.
Particles only travel in a circular pattern along a longitudinal wave.
Particles only travel perpendicular to the direction the energy travels in a transverse wave.
158. Multiple Choice
1 minute
1 pt
Imagine one end of a rope is tied to a door handle. The other end is caused to vibrate vertically(up & down). The wave that travels along the rope is an example of a(n)...
Electromagnetic Wave
Microwave
Transverse Wave
Longitudinal Wave
159. Multiple Choice
1 minute
1 pt
Which letter represents the amplitude of the wave?
A
B
C
D
160. Multiple Choice
1 minute
1 pt
When the car moves away from you, its horn seems...
Low pitched
High pitched
Normal
161. Multiple Choice
1 minute
1 pt
True or False: The Doppler effect occurs when an observer moves away from a wave source.
True
False
162. Multiple Choice
1 minute
1 pt
True or False: The Doppler effect occurs when a wave source moves towards an observer.
True
False
163. Multiple Choice
1 minute
1 pt
When someone is playing music by the road and you drive pass him, the music will _______
become higher and then lower
become lower and then higher
become lower
become higher
164. Multiple Choice
45 seconds
1 pt
Friction is a force that acts in an ___________ direction of movement.
similar
opposite
parallel
west
165. Multiple Choice
1 minute
1 pt
In static electricity,charges
flow continuously
flow intermittently
build up in an atom
build up on an object
166. Multiple Choice
1 minute
1 pt
A region around a charged object where electric force is exerted where object's electric force is exerted on other charged objects in an electric
field
outlet
socket
power plant
167. Multiple Choice
1 minute
1 pt
Charges can redistribute themselves by friction, conduction,polarization, or........
reduction
production
induction
super conduction
168. Multiple Choice
1 minute
1 pt
Charges that are different _____________ each other.
attract
repel
equal
move opposite to
169. Multiple Choice
1 minute
1 pt
Lighting is an example of a static ___________.
field
discharge
force
polarization
170. Multiple Choice
1 minute
1 pt
_______________ force is the force between charged objects.
Electric
conservation
induction
field
171. Multiple Choice
30 seconds
1 pt
The Gulf Stream is a current that brings warm ocean water from the south to the north. What type of heat transfer is this?
conduction
convection
radiation
Insolation
172. Multiple Choice
1 minute
1 pt
Ironing a shirt is an example of...
condensation
conduction
convection
radiation
173. Multiple Choice
30 seconds
1 pt
The heat from a lamp allows a lizard to remain warm. This is an example of which type of heat transfer?
radiation
conduction
convection
insulation
174. Multiple Choice
1 minute
1 pt
Does this statement best describe a parallel or a series circuit.
Different voltages are dropped across each resistor.
Parallel circuit
Series circuit
175. Multiple Choice
1 minute
1 pt
Which of the two circuits would have the brightest bulbs?
A
B
176. Multiple Choice
1 minute
1 pt
The picture shows an electrical circuit. This circuit is a series circuit because:
It has 3 light bulbs.
The same current flows through all three light bulbs.
It uses a single battery.
The electrical current is divided between the three light bulbs.
177. Multiple Choice
10 seconds
1 pt
When you remove a bulb from a three bulb circuit, and the other two bulbs go off, then the bulbs must have been connected in __________.
parallel
series
open
closed
178. Multiple Choice
1 minute
1 pt
what is this symbol for?
light bulb
switch
battery
resistor
179. Multiple Choice
1 minute
1 pt
Unit for resistance
Ampere
Ohm
Volt
Watt
180. Multiple Choice
1 minute
1 pt
What is one benefits of using a parallel circuit?
It gets confusing.
There are no problems.
If one goes down, it does not affect the others.
Porque es para llelio.
181. Multiple Choice
1 minute
1 pt
In a cell, which form of energy is converted into electrical energy?
Chemical energy
Solar energy
Mechanical energy
Electrical energy
182. Multiple Choice
1 minute
1 pt
What device is the diagram below representing?
Bar Magnet
Barometer
Electromagnet
Electric current
183. Multiple Choice
1 minute
1 pt
Which of the following answers the best completes this hypothesis about electromagnets?
If the wire is coiled more times around the nail, THEN the strength of the electromagnet will decrease.
A. IF the piece of iron is bigger, THEN the strength of the electromagnet will decrease.
A. IF the wire is coiled fewer times around the nail, THEN the strength of the electromagnet will increase
A. IF the wire is coiled more times around the nail, THEN the strength of the electromagnet will increase
184. Multiple Choice
1 minute
1 pt
1. An iron nail is not normally magnetic. In an electromagnet, the iron nail can attract iron and steel. How can a nail become magnetized in an electromagnet?
A. The electricity in running through the wire produces a magnetic field and magnetizes the iron
B. The nail is a special type of nail
C. The paper clips will magnetize the nail
D. Being close to the battery magnetizes the nail
185. Multiple Choice
1 minute
1 pt
What is the transfer of electricity in a generator?
Mechanical to Electrical
Physical to Potential
Electrical to Mechanical
Yogurt to Light
186. Multiple Choice
1 minute
1 pt
What can you use to make an electromagnet?
Battery, nail and string
Battery, pencil and wire
Wire, battery and iron ore (nail)
Peanut butter, lampshade, hand sanitizer
187. Multiple Choice
30 seconds
1 pt
In large generators in power plants, ___________ rotate inside a coil of wire to produce an electric current.
Wind
Water
Magnets
Circuits
188. Multiple Choice
30 seconds
1 pt
Which device uses mechanical energy to produce electrical energy?
Electric Motor
Magnet
Generator
Solar Cell
189. Multiple Choice
30 seconds
1 pt
Electric fields are often associated with what other kind of field?
Magnetic Fields
Nuclear Fields
Particle Fields
Corn Fields
190. Multiple Choice
30 seconds
1 pt
What force does a magnetic field apply without actually touching the object?
a push or pull
gravity
friction
pressure
191. Multiple Choice
1 minute
1 pt
What two forces are required for generators and electric motors to work?
magnetism and thermal
electricity and thermal
electricity and magnetism
magnetism and radiant
192. Multiple Choice
1 minute
1 pt
In an electric motor, the energy transformation begins as ----
electrical and becomes chemical
mechanical and becomes electrical
electrical and becomes mechanical
mechanical and becomes chemical
193. Multiple Choice
30 seconds
1 pt
If I were to try to connect the north pole of one magnet to the north pole of another magnet, the two poles would:
attract
repel
neither
flip
194. Multiple Choice
45 seconds
1 pt
What is the symbol for Potassium?
P
K
Pb
Pd
195. Multiple Choice
1 minute
1 pt
Which has 4 valence electrons on the outer energy level?
Boron
Silicon
Beryllium
Sulfur
196. Multiple Choice
1 minute
1 pt
Which is an alkaline earth metal?
Calcium
Rubidium
Carbon
Iodine
197. Multiple Choice
1 minute
1 pt
Which family of metals would be the most reactive?
Alkali Metals
Transition Metals
Alkaline Earth Metals
Full Metal Jacket
198. Multiple Choice
1 minute
1 pt
How many valence electrons does Sodium (Na) have?
1
2
3
4
199. Multiple Choice
1 minute
1 pt
Which two factors affect the gravitational attraction between two objects?
Density and Friction
Mass and Distance
Density and Distance
Mass and Friction
200. Multiple Choice
1 minute
1 pt
If you use a crowbar to get the lid off of a bucket, what simple machine are you using?