Unlock document.
This document is partially blurred.
Unlock all pages and 1 million more documents.
Get Access
The Columbia Plateau in the northwestern United States is an example of a(n)
A) flood basalt.
B) batholith.
C) monolith.
D) sill.
Stellar paralaxproves that Earth is
A) rotating.
B) revolving.
C) precessing.
D) an oblate spheroid.
Which of the following has notyet been proved practical?
A) Fusion reactor
B) Fusion bomb
C) Fission bomb
D) Fission reactor
How many minor planets are known to exist in the solar system, using today's
classification system?
A) 1
B) 3
C) 2
D) 4
The Bohr theory was developed to explain which of these phenomena?
A) The photoelectric effect
B) Line spectra
C) Quantum numbers
D) X-rays
The ______________ calendar is most used around the world.
A) Roman
B) Julian
C) Gregorian
D) Babylonian
The present standard for time is based on
A) the transition of an electron between two energy levels of the cesium-133 atom.
B) Earth's rotation.
C) Earth's orbit.
D) none of these.
How many protons does Protactinium have?
A) 34
B) 38
C) 71
D) 11
E) 91
In the activity series, Zn is more active than Pb. This means that
A) Zn is a better catalyst than Pb.
B) Zn loses its electrons more easily than Pb.
C) Pb is more readily oxidized than Zn.
D) none of these
Radio waves are reflected by which of the following ion layers?
A) C
B) D
C) E
D) B
Geologists think that Earth is how old?
A) 4560 billion years
B) 45.6 thousand years
C) 45.6 million years
D) 4.56 billion years
A nonchemical combination of two or more substances in variable proportions is called
A) a mixture.
B) a compound.
C) an ion.
D) a molecule.
The direction of the magnetic field of a bar magnet is
A) in the direction opposite to that in which a compass would point.
B) in any direction.
C) away from the south pole.
D) away from the north pole.
2-Bromobutane and 4-bromobutane are
A) the same compound.
B) neither isomers nor the same compound.
C) isomers.
Triesters of long-chain acids with glycerol are called
A) condensation polymers.
B) fats.
C) soaps.
D) synthetic detergents.
The place, or zone, where one plate descends under another plate and into the
asthenosphere is called a ______________ zone.
A) subduction
B) convection
C) Mohorovic
D) none of these
Laccoliths and sills are examples of ______________ plutons.
A) recordant
B) precordant
C) discordant
D) concordant
Which of the following gases, is a trace natural constituent of the air?
A) Ar
B) SO2
C) CO
D) NO2
On September 22 or 23, the noonday Sun is overhead at what latitude?
A) 0
B) 23.5N
C) 23.5S
D) That of the Tropic of Cancer
An atom that has more electrons than protons is a ______________ ion.
A) neutral
B) positive
C) negative
D) polyatomic
Currently, in the United States, which sector of the economy uses the most energy?
A) Industry
B) Transportation
C) Commercial
D) Residential
Which of the following sound frequencies lie(s) outside the audible range?
A) 14 Hz
B) 19 kHz
C) 1800 Hz
D) All of these
Glaciers are being considered as a source of
A) scarce metals.
B) fresh water.
C) salt.
D) fertile soil.
What is the value for the total energy that reaches each square meter of Earth from the
Sun each second called?
A) Solar constant
B) Solar maximum
C) Sunspots
D) Solar wind
The units of specific heat are
A) kcal-kg/°C.
B) J/kg-°C.
C) kcal-kg.
D) J/kg.
The Holocene is a(n)
A) epoch.
B) era.
C) eon.
D) period.
In exactly 14 days after a full moon, one would see a
A) new moon.
B) waxing crescent moon.
C) first-quarter moon.
D) waning crescent moon.
The 75W longitude meridian is the center of the ______________ Standard Time zone
in the United States.
A) Pacific
B) Mountain
C) Eastern
D) Central
The potential energy of a pendulum is least
A) when its potential energy is greatest.
B) at the top of its swing.
C) at the bottom of its swing.
D) when its total energy is greatest.
Which of the following is a possible unit of acceleration?
A) m/s2
B) m s
C) m2/s
D) m/s
Removal of an electron from an atom leaves a
A) neutron.
B) positive ion.
C) free quark.
D) negative ion.
The Lewis symbol would be characteristic of which group?
A) 2A
B) 4A
C) 3A
D) 5A
The object above a valley floor that consists of glacial ice is called
A) a valley glacier.
B) a gulley glacier
C) a canyon glacier.
D) none of these.
The mathematical form of Coulomb's law is similar to that of
A) the second law of thermodynamics.
B) the second law of motion.
C) Kepler's second law.
D) the law of gravitation.
Wilhelm Roentgen discovered
A) X-rays.
B) gamma rays.
C) radio waves.
D) microwaves.
The element ______________ is a soft, active metal and forms a compound called lye.
An aqueous solution of the colorless gas HCl is called ______________.
When the energy state of an atom changes by E, the frequency of the photon emitted
or absorbed is calculated by dividing Eby ______________.
A(n) ______________ is formed by replacing a hydrogen atom in a hydrocarbon with a
halogen atom.
The chemical alteration of preexisting rocks by chemically reactive, hot-water solutions
is called ________________ metamorphism.
The numerals that follow the symbols in chemical formulas are called
______________.
A reaction in which a substance reacts with oxygen, bursts into flame, and forms an
oxide is called a(n) ______________ reaction.
The formula for sulfuric acid is _________________.
______________ is the continuous forward flow of events.
The reaction Fe + CuSO4Cu + FeSO4is a(n) ________________-replacement reaction.
Mn is a transition element and can form several ions. Its ionic charge in MnF3 must be
______________.
Asteroids are sometimes referred to as ______________ planets.
A liter has a volume of ______________ cubic centimeters.
The symbol for the element that is the major component of steel is ______________.
It is generally easier to push an object once it is moving than when one is getting it
started. Why is this?
The collective name for neutrons and protons is ______________.
A(n) ______________ transfers heat from a low-temperature reservoir to a
high-temperature reservoir.
A star of magnitude 1 appears _______________ times brighter than a star of
magnitude 2.
