A hurricane, in other parts of the world, is also known as
A) a cyclone.
B) a willy-willy.
C) a typhoon.
D) all of the above.
Which of the following radiations is absorbed in the greenhouse effect?
A) Ultraviolet only
B) Visible only
C) Infrared only
D) All of these
Which of the following is not generally used in mineral identification?
A) Size
B) Cleavage
C) Specific gravity
D) Color
Heisenberg’s uncertainty principle is most important for
A) very large objects, such as the Moon.
B) very large distances.
C) very small particles, such as electrons.
D) very small angular momentum.
One plate pulls away from another and new ocean rock is formed at the type of plate
boundary called ______________.
A) divergent
B) convergent
C) transform
D) none of these
After seven half-lives have elapsed, what fraction of the original amount of
radionuclide remains?
A) 1/7
B) 1/14
C) 1/128
D) None of these
Which type of reaction is 2Fe2O3+ 3C4Fe+ 3CO2?
A) Decomposition
B) Combination
C) Double-replacement
D) Single-replacement
One prediction of Einstein’s special theory of relativity is that objects traveling close to
the speed of light
A) get lighter.
B) get more massive.
C) get longer.
D) disappear.
Wave velocity is inversely proportional to
A) period.
B) wavelength.
C) amplitude.
D) all of these.
A group of eras are called a(n)
A) eon.
B) period.
C) millennia.
D) epoch.
The law of definite proportions states that different samples of a pure compound always
contain the same elements in the same proportion by
A) mass.
B) atoms.
C) atomic number.
D) volume.
Clusters containing clusters of galaxies are called _______________.
A) superclusters
B) galactic clusters
C) universe clusters
D) quasar clusters
A substance of unknown composition is heated in a sealed container. As a result, the
mass of the container and its contents
A) increases.
B) decreases.
C) remains the same.
D) Any of these could occur.
Nearly 100% by mass of Earth’s core is composed of the two elements
A) iron and nickel
B) aluminum and silicon
C) oxygen and aluminum
D) silicon and oxygen.
The image of an object at the focal point of a concave spherical mirror
A) looks the same as the object.
B) is said to be formed at infinity.
C) is real.
D) is reduced.
Which of the following atoms normally has one covalent bond to it?
A) I
B) Se
C) Si
D) P
E) Ne
The coefficients needed to balance the equation Ga + Br2GaBr3are, respectively,
A) 4, 3, and 2.
B) 2, 3, and 2.
C) 1, 3, and 2.
D) 2, 1, and 2.
The limiting level below which a stream cannot erode the land is called its
A) base level.
B) ultimate level.
C) bed level.
D) erosion level.
An increase of 20 dB increases the sound intensity by a factor of
A) 10.
B) 200.
C) 100.
D) 20.
What is the hardness of quartz on the Mohs scale?
A) 1
B) 4
C) 7
D) 10
Which of the following is a methyl group?
A) CH3CH2–
B) CH3“
C) CH2=CH”
D) CH2CH3“
E) CH CH”
If the voltage across a resistor is quadrupled, the current will
A) remain the same.
B) be cut to one-quarter.
C) be cut by one-quarter.
D) be quadrupled.
E) be multiplied by sixteen.
In which of the following eons do we live?
A) Phanerozoic
B) Hadean
C) Proterozoic
D) Archean
Electrons in the outermost shell are referred to as ______________ electrons.
A) valence
B) orbital
C) f shell
D) s shell
When an unstable Lu nucleus undergoes alpha decay, the nucleus formed is that of
A) Lutetium.
B) Tantalum.
C) Ytterbium.
D) Thulium.
E) Hafnium.
The symbol for tin is
A) Sn.
B) Ti.
C) Sb.
D) In.
A high tide is occurring at Charleston, South Carolina (80W, 33N). At approximately
what other longitude is a high tide occurring?
A) 100E
B) 80E
C) 60E
D) 40E
E) 20E
The planet Mercury
A) has retrograde motion.
B) is the closest planet to Venus.
C) is the smallest of the terrestrial planets.
D) has a uniquely circular orbit.
The Sun appears to travel daily in the sky
A) one degree in 4 minutes.
B) 7 in one hour.
C) 360 in 12 hours.
D) 23.5 in one year.
The difference in time between the arrival of S waves and the arrival of P waves can be
used to determine
A) the magnitude of an earthquake.
B) the epicenter of an earthquake.
C) the damage caused by an earthquake.
D) all of the above.
What organic compound is represented by a hexagon with a circle inside?
A) Cyclohexane
B) Cycloheptane
C) Benzene
D) Ethanol
E) Methane
The largest plutons are called ______________.
A) dikes
B) sills
C) batholiths
D) laccoliths
The term age of ancient life is sometimes used to refer to the ______________ era.
Secondary seismic waves travel ______________ (slower or faster?) than primary
waves in solids.
A friend from Europe asks what the length of a 100-yd football field would be in
meters. After doing the conversion, what would you tell her?
Dikes are examples of ______________ plutons.
In the quantum model of the atom, the location of the electron is described in terms of
______________.
______________ is the measure of the ability of an atom to attract shared electrons to
itself.
A positively charged ion is called a(n) ______________.
The main component of the cell walls of plants is the carbohydrate called
______________.
A(n) ______________ is any mineral or other precious or semiprecious stone valued
for its beauty.
The velocity-dependent force that produces air motion and is associated with Earth’s
rotation is called the ______________.
The natural sciences are divided into ______________ sciences and biological sciences.
Calculate the approximate number of seconds that a(n) 28-year-old student has lived.
The planets with known rings are Saturn, Neptune, ______________, and Jupiter.
A step-down transformer has more windings on the ________ coil.
In Newton’s law of universal gravitation, F = Gm1m2/r2 for uniform objects, the
quantity r is______________.
A dike that intrudes a bed of sedimentary rock is ______________ than the sedimentary
rock.