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The Sun will finally become a
A) brown dwarf.
B) neutron star.
C) black hole.
D) white dwarf.
Calculate the radius in nanometers of the orbit of a hydrogen atom's electron with n= 5.
A) 0.27
B) 2.7
C) 1.3
D) 0.13
Addition polymers are formed from
A) diacids only.
B) alkenes.
C) dialcohols only.
D) diacids and dialcohols together.
The last-quarter Moon rises approximately at
A) 6 A.M.
B) noon.
C) 6 P.M.
D) midnight.
Which alcohol is used in beverages?
A) 2-Propanol
B) Ethylene glycol
C) Ethanol
D) Methanol
Metamorphism occurs for which class of rocks?
A) Metamorphic only
B) Sedimentary only
C) Igneous only
D) All of the above
Resonance occurs when
A) two different objects vibrate with different frequencies.
B) two different objects produce beats.
C) an object having a certain natural frequency is set in vibration by a second object
vibrating at that frequency.
D) an object produces a sound.
For a specific element, photons of how many different energies could be emitted by
electrons in the n= 4 level as they return to the n= 1 level?
A) 3
B) 5
C) 2
D) 6
A common depositional feature of shoreline topography is a
A) spit.
B) guyot.
C) seamount.
D) sea arch.
Eras are divided first into
A) epochs.
B) millennia.
C) periods.
D) eons.
The metamorphosis of limestone leads to
A) marble.
B) slate.
C) schist.
D) gneiss.
What is the formula of a compound formed from the ions M1+ and X1-?
A) M2X
B) MX
C) M2X2
D) MX2
A(n) ______________ is manifested by the vibrating and sometimes violent movement
of Earth's surface.
A) Moho
B) volcano
C) earthquake
D) asthenosphere
What type of decay changes only the energy of a nucleus and not its identity?
A) Positron
B) Alpha
C) Gamma
D) Beta
About how long ago was the last retreat of the glaciers from North America and
Europe?
A) 60,000 years
B) 10,000 years
C) 2 million years
D) 6000 years
It is 23°F outside.
a. What is the Celsius temperature?
b. If this Fahrenheit temperature were doubled, what would the new Celsius
temperature be?
Which of the following is not one of the five major divisions of chemistry?
A) Nuclear chemistry
B) Physical chemistry
C) Biochemistry
D) Inorganic chemistry
Hydrocarbons containing carbon-carbon double bonds are
A) alkenes.
B) cycloalkanes.
C) alkynes.
D) alkanes.
E) ketones.
In an equation, the symbol m generally stands for
A) inertia.
B) torque.
C) momentum.
D) mass.
E) meters.
Probably the best-known comet is ______________ Comet.
A) Sally's
B) Bally's
C) Bailey's
D) Malley's
E) Halley's
How many electrons are there in a neutral atom of ?
A) 26
B) 30
C) 82
D) 56
A motor converts
A) electricity into magnetism.
B) electrical energy into mechanical energy.
C) mechanical energy into electrical energy.
D) force into power.
To which group of polymers does PVC belong?
A) Natural
B) Hydrolytic
C) Addition
D) Condensation
The slow, particle-by-particle movement of weathered debris down a slope is called
A) an avalanche.
B) a landslide.
C) slump.
D) creep.
The quantity is known as
A) kinetic energy.
B) potential energy.
C) work.
D) energy.
E) power.
For the multiplication of 8.1 m times 6.4 m, the result should be reported with how
many significant figures?
A) Two
B) One
C) Three
D) Four
E) Seven
Who won the Nobel Prize for explaining the photoelectric effect?
A) Bohr
B) Planck
C) de Broglie
D) Einstein
A visual defect wherein a person can see distant objects clearly but not nearby objects is
called
A) dispersion.
B) destructive interference.
C) farsightedness.
D) nearsightedness.
The dilemma known as the ultraviolet catastrophe was resolved in 1900 by
A) Bohr.
B) Rutherford.
C) Einstein.
D) Planck.
Ammonia, NH3, boils at a higher temperature than phosphine, PH3. This is probably
due to
A) ammonia being more dense than PH3.
B) ammonia having the lower formula mass.
C) hydrogen bonding among the NH3 molecules.
D) ammonia being ionic and phosphine being covalent.
Hurricanes derive their energy from
A) latent heat.
B) hot air.
C) cold water.
D) wind.
Potential-energy values may be
A) positive only.
B) negative only.
C) zero only.
D) all of these.
The geocentric model of the solar system is attributed to
A) Kepler.
B) Brahe.
C) Copernicus.
D) Aristotle.
What type of forces result in reverse faulting?
A) Expansive
B) Compressional
C) Parallel
D) Shear
The planet that most resembles Earth is ______________.
The Japanese word tsunami means "______________ wave."
A simple magnifying glass has a focal length of 6.0 cm. An object is placed 4.0 cm
from it. Sketch a ray diagram and give the characteristics of the image.
Large fractures in Earth's surface that are associated with movement of lithospheric
plates are called ______________.
When the kinetic energy of a simple pendulum decreases, the ______________ of the
pendulum increases.
Calculate the de Broglie wavelength of a 0.145-kg baseball moving at a speed of 45.2
m/s.
Reflection from rough surfaces is called ______________ reflection.
Car B is traveling twice as fast as car A, but car A has twice the mass of car B. Which
car has the greater kinetic energy and by what factor is it greater?
When a moving object's velocity doubles, its kinetic energy increases by a factor of
______________.
An electron is emitted by an atomic nucleus in the process called ______________
decay.
The Cenozoic era consists of the Tertiary and ______________ periods.
A large, flat, sediment-covered area on the ocean floor is called a(n) ______________.
On a computer, a megabyte of memory is ______________ bytes.
The original substances in a chemical reaction are called the ______________.
A saturated hydrocarbon contains only ______________ bonds, and its hydrogen
content is at a maximum.
