Science Gen
Which type of particle orbits the nucleus of an atom?
a. neutron
b. proton
c. electron
d. quark
e. photon
c. electron
What is the smallest known unit of electric charge?
a. Coulomb
b. Ampere
c. One neutron
d. Charge density
e. Charge of an electron
e. Charge of an electron
Which of the following determines the speed of light according to Maxwell's equations?
a. the frequency of the light wave
b. the direction of the electric field oscillation
c. the medium’s density
d. the permittivity and permeability of free space
e. the color of the light source
d. the permittivity and permeability of free space
The “Tin Lizzie” was a nickname for the
a. sewing machine
b. Model T
c. Monitor Top refrigerator
d. Radio Music Box
e. Cozy Glow, Jr
b. Model T
Goods for which the demand _________ as income _________ are called inferior goods.
a. increases; increases
b. falls; rises
c. remains constant; rises
d. decreases; decreases
e. remains constant; decreases
b. falls; rises
Which subatomic particle has a negative electric charge?
a. electron
b. neutron
c. proton
d. photon
e. nucleus
a. electron
Which of the following statements is TRUE about electric charge?
a. It can be created and destroyed.
b. Only positive charge exists in nature.
c. Electric charge is not conserved.
d. Electrons and protons have equal and opposite charge.
e. Neutrons have positive charge.
d. Electrons and protons have equal and opposite charge.
How are electromagnetic waves generated?
a. via light waves moving slower in vacuum than sound
b. from oscillating electric and magnetic fields
c. by magnetic monopoles generating electric fields
d. from electric fields which rotate as light moves
e. as longitudinal waves oscillate perpendicularly
b. from oscillating electric and magnetic fields
In the United States, the end of World War I led to all of the following EXCEPT
a. a rise in labor strikes across the nation
b. the end of a booming war economy
c. a marked rise in the rates of inflation
d. the advent of social security legislation
e. a major rise in unemployment rates
d. the advent of social security legislation
Competitive markets tend to gravitate toward what quantity and price?
a. the minimum
b. the maximum
c. the complement
d. the substitute
e. the equilibrium
e. the equilibrium
Why do electrons, rather than protons, typically move during electric interactions?
a. Protons are positively charged.
b. Electrons are heavier.
c. Protons are neutral.
d. Electrons have more charge.
e. Electrons are much less massive and can move more easily.
e. Electrons are much less massive and can move more easily.
How are the electric field lines around a proton different from those around an electron?
a. Proton field lines point outward; electron field lines point inward.
b. Electron fields are stronger.
c. Proton fields curve; electron fields are straight.
d. Electrons repel field lines.
e. Protons absorb field vectors.
a. Proton field lines point outward; electron field lines point inward.
Which of the following causes LEDs to emit light?
a. Speed of light varies with observer motion.
b. Electric fields rotate as light moves.
c. Gamma rays are safe due to long wavelengths.
d. Polarized light always rotates clockwise.
e. LEDs emit light by electrons falling to lower energy states.
e. LEDs emit light by electrons falling to lower energy states.
From around 1920-1970, historians estimate approximately this number of African Americans participated in the Great Migration
a. 1 million
b. 3 million
c. 6 million
d. 10 million
e. 13 million
c. 6 million
Which of the following BEST describes an equilibrium?
a. when quantity becomes equal to price
b. when price becomes equal to quantity
c. when the government quota is met
d. when consumers are unable to purchase in greater quantities
e. when no participant in the market has any reason to alter their behavior
e. when no participant in the market has any reason to alter their behavior
What determines the overall electric neutrality of an atom?
a. the balance of neutrons and protons
b. the number of orbital shells
c. the atomic weight
d. the total number of quarks
e. the equality of protons and electrons
e. the equality of protons and electrons
What is the main reason electricity involves electrons and not protons?
a. Protons are more numerous than electrons.
b. Electrons carry more charge.
c. Electrons have less mass and move more easily.
d. Protons are electrically neutral.
e. Electrons do not repel each other
a. Protons are more numerous than electrons.
Which of the following BEST describes the amplitude of a sound wave?
a. the speed of sound in air
b. the distance between wave peaks
c. the loudness of the sound
d. the color of the wave
e. the direction of travel
c. the loudness of the sound
One of the staunchest opponents to the League of Nations was a Massachusetts Senator named
a. Carter Glass
b. Robert Owen
c. Ellison Smith
d. Henry Cabot Lodge
e. Charles Townsend
d. Henry Cabot Lodge
Which of the following BEST describes the proper role of the government?
a. The government should collect minimal taxes.
b. The government should ensure that all markets are unregulated.
c. The government should only be responsible for the provision of national defense. .
d. The government should ensure that the environment is well protected from pollutants.
e. The proper role of government is a debated issue for which many views and opinions are offered.
e. The proper role of government is a debated issue for which many views and opinions are offered.
f the mass of the electron were equal to that of the proton, how would this impact the structure of atoms and electric interactions?
a. Atoms would collapse due to attraction.
b. Electrons would repel protons more effectively.
c. The electric field would increase.
d. Electric charge would be neutralized.
e. Electrons would no longer orbit significantly; both charges would behave similarly.
e. Electrons would no longer orbit significantly; both charges would behave similarly.
The significance of Benjamin Franklin’s kite experiment in the context of identifying natural electric phenomena was that it
a. demonstrated gravity's dominance
b. disproved Coulomb’s law
c. invented the field concept
d. measured electron mass
e. provided evidence that lightning is an electrical phenomenon
e. provided evidence that lightning is an electrical phenomenon
Which of the following is TRUE about microwaves and radio waves?
a. Microwaves and radio waves are used in communication.
b. Microwaves and radio waves are always harmful to humans.
c. Microwaves and radio waves cannot travel through air.
d. Microwaves and radio waves are visible to the human eye.
e. Microwaves and radio waves are only used in cooking.
a. Microwaves and radio waves are used in communication.
All of the following are associated with the Harlem Renaissance EXCEPT
a. Georgia O’Keeffe
b. Langston Hughes
c. Claude McKay
d. Zora Neale Hurston
e. Duke Ellington
a. Georgia O’Keeffe
A price control is defined as when a government
a. establishes a single, universal price for labor
b. controls the number of goods produced
c. dictates which companies can produce a good
d. determines who can perform certain services
e. controls the market prices of a good or service
e. controls the market prices of a good or service