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Which of the following compounds would be expected to be hard and brittle and to
have a high melting point?
A) H2SO4
B) KBr
C) H2C2O4
D) IF7
The Greenwich meridian is also known as the
A) zero, or prime, meridian.
B) reference circle.
C) east"west coordinate parallel.
D) hour meridian.
The waves of an earthquake are detected by an instrument called a
A) seismometer.
B) seismogram.
C) seismograph.
D) seismoscope.
Which of the following compounds has two hydroxyl groups?
A) Ethylene glycol
B) Ethanol
C) Glycerol
D) Cholesterol
What happens to the atomic number (Z) and the mass number (A) when a nucleus emits
a beta particle (electron)?
A) Zincreases by 1; Ais unchanged.
B) Zis unchanged; Ais unchanged.
C) Zdecreases by 2; Adecreases by 4.
D) Zdecreases by 1; Ais unchanged.
The scientist ______________ is generally regarded as "the father of geology."
A) David Johnston
B) Friedrich Mohs
C) James Hutton
D) Henry Beston
If 900 Joules of heat is added to a system, and the internal energy increases by 800
Joules, how much work is done by the system?
A) "1700J
B) "100 J
C) 900 J
D) 100 J
E) 1700 J
The nuclear model of the atom is associated with
A) Thomson.
B) Dalton.
C) Bohr.
D) Rutherford.
At different times of the year, the Sun appears to be in different parts of the sky among
different groups of stars. This is so because
A) Earth revolves about the Sun.
B) the Sun rotates on its axis.
C) the Sun moves through space.
D) stars move.
E) Earth rotates on its axis.
A series of ocean waves are moving past a surfer at a frequency of 25 waves per hour.
Approximately how many waves would the surfer expect during 41 minutes?
A) 1025 waves
B) 17 waves
C) 25 waves
D) 37 waves
The Lewis symbol of which of the following elements has a single dot on each of the
four sides of the element's symbol?
A) Helium
B) Carbon
C) Beryllium
D) None of these
In order, from top to bottom, in the activity series come K, Zn, Pb, H, Cu, and Au.
Therefore,
A) adding Pb to ZnCl2will release Zn.
B) adding Cu to HCl will release hydrogen.
C) adding Au to HCl will release hydrogen.
D) adding Cu to AuCl3will release Au.
The smaller the frequency of light, the smaller the ______________ of its photons.
A) wavelength
B) speed
C) mass
D) energy
The development of physics since about 1900 is called
A) neoclassical physics.
B) Newtonian physics.
C) classical physics.
D) modern physics.
An object is placed 5 cm to the left of a converging spherical lens. The lens has a focal
length of f= 10 cm. Where is the image formed and what kind of image is formed?
A) 10 cm to the right of the lens, Real
B) 10 cm to the left of the lens, Virtual
C) 10 cm to the right of the lens, Virtual
D) 10 cm to the left of the lens, Real
S waves and P waves are earthquake body waves. S and P stand for
A) sudden and post.
B) sigma and pi.
C) slow and proper.
D) secondary and primary.
The various isotopes of an element all have
A) the same number of protons but different numbers of neutrons.
B) the same total number of neutrons and protons.
C) the same number of neutrons but different numbers of protons.
D) the same number of neutrons and the same number of protons.
The electrical power dissipated by a resistance Ris
A) inversely proportional to I.
B) directly proportional to I2.
C) directly proportional to I.
D) none of these.
Most cosmologists favor the Big Bang theory over other cosmological theories because
of
A) a 3-to-1 ratio of hydrogen to helium in stars and interstellar matter.
B) cosmological redshifts.
C) the cosmic microwave background.
D) all of the above.
The law of reflection
A) applies only to plane mirrors.
B) is limited to regular reflection.
C) must be modified for diffuse reflection.
D) applies to all reflecting surfaces.
About what percent of Earth's radius do the crust and mantle together constitute?
A) 15%
B) 70%
C) 45%
D) 30%
What happens to the atomic number (Z) and the mass number (A) when a nucleus emits
a gamma ray?
A) Zincreases by 1; Ais unchanged.
B) Zis unchanged; Ais unchanged.
C) Zdecreases by 1; Ais unchanged.
D) Zdecreases by 2; Adecreases by 4.
Work requires
A) motion.
B) zero net force.
C) zero momentum.
D) a force perpendicular to the direction of motion.
Eons are divided first into
A) eras.
B) periods.
C) millennia.
D) epochs.
A transformer with 400 turns on the primary coil is used to decrease the voltage from
3000 V to 120 V for home use. How many turns should be in the secondary coil?
A) 400 turns
B) 10000 turns
C) 16 turns
D) 3520 turns
The first-quarter Moon sets at approximately
A) midnight.
B) noon.
C) 6 P.M.
D) 6 A.M.
If iron floats in liquid mercury, then the specific gravity of iron is
A) less than that of mercury.
B) greater than that of mercury.
C) about equal to that of mercury.
D) in no way related to that of mercury.
In the ______________ phase, ionic compounds conduct electricity.
Draw the structural formula for 3-hexene.
The dome of water associated with a hurricane making landfall is called a(n)
______________.
A solution of pH 5 is ______________ times as acidic as a solution of pH 6.
The time rate of doing work is called ______________.
A substance that speeds up a chemical reaction but is not consumed is a(n)
______________.
A large ice mass that flows on a land surface under the influence of gravity is called
a(n) ______________.
If the intensity of a sound is increased by a factor of 100, how is the decibel level
affected?
A useful instrument that makes use of the wavelike properties of electrons is the
electron ______________.
In 400 B.C., a Greek named ______________ championed the idea that if matter were
repeatedly cut into smaller divisions, eventually an indivisible particle would be
reached.
The formula for ammonia is ______________.
For an ideal gas with Nand Theld constant, an increase in volume will result in a(n)
____________ in pressure.
______________ is defined as the angular measurement, in degrees, east or west of the
reference meridian.
Longitudinal seismic body waves are known by the letter ______________.
When a meteor strikes Earth's surface, it is called a(n) ______________.
A meteor ______________ results when a large number of meteoroids enter Earth's
atmosphere.
The names of the moons of Mars are ______________ and ______________.
