Unlock document.
This document is partially blurred.
Unlock all pages and 1 million more documents.
Get Access
A normal lapse rate of 3.5 F/1000 ft is equivalent to
A) 3.5 C/m.
B) 4 C/1000 ft.
C) 3.5 C/km.
D) 6.5 C/1000 m.
The physical characteristic that is used to distinguish intrusive igneous rocks from
extrusive igneous rocks is _____________.
A) silica content
B) hardness
C) color
D) grain size
We live in the period called the
A) Cenozoic.
B) Holocene.
C) Ordovician.
D) Quaternary.
The majority of stars are small, cool, type-M stars called
A) brown dwarfs.
B) blue dwarfs.
C) red dwarfs.
D) white dwarfs.
______________ is the largest known asteroid.
A) Pluto
B) Mars
C) Ceres
D) Vesta
E) Mercury
Addition of an electron to an atom gives a
A) negative ion.
B) neutron.
C) new element.
D) positive ion.
One megawatt contains how many watts?
A) 103
B) 10-6
C) 106
D) 10-3
The Lewis symbol would be characteristic of which group?
A) 6A
B) 2A
C) 3A
D) 5A
In chlorine gas, the bond between the two chlorine atoms is
A) ionic.
B) single covalent.
C) triple covalent.
D) double covalent.
Heisenberg's uncertainty principle states that it is impossible to know simultaneously
which two properties of a particle?
A) Momentum and energy
B) Position and velocity
C) Position and charge
D) Time and place
The chemical properties of calcium and strontium are similar because both
A) are located on the left side the periodic table.
B) are in the same group.
C) have four electrons in the first shell.
D) are in the same period.
In buying a product, a shopper has a choice of the following amounts, all at the same
price. Which is the best buy?
A) 432 cc
B) 1 pint
C) 1 half-liter
D) 450 mL
Wave frequency is inversely proportional to
A) amplitude.
B) period.
C) wave velocity.
D) all of these.
What is the energy of a photon with a frequency of 5.2 x 1014Hz?
A) 3.4 x 10-19J
B) 1.3 x 10-20J
C) 0.8 x 10-20J
D) 0.3 x 10-21J
When Daylight Saving Time is initiated in the spring, people in the United States who
continue to go to work at the same time leave
A) when it is lighter (more daylight).
B) with the same light.
C) when it is darker.
Which of the following is an example of a chemical property?
A) Al has a density of 2.70 g/cm3.
B) Diamond is the hardest substance known.
C) Limestone will yield CO2when heated.
D) CO2will freeze at "78C.
According to the hypothesis of de Broglie, any moving particle has
A) energy.
B) a magnetic force field.
C) an electric force field.
D) a wavelength.
In the reaction 2Al + 3F22AlF3, the fluorine
A) is reduced.
B) loses electrons.
C) is oxidized.
D) is the catalyst.
The basic mechanism for plate movement is thought to be
A) earthquake surface waves.
B) the tidal force of the Moon.
C) convection cells in the asthenosphere.
D) earthquake body waves.
The most common aromatic hydrocarbon is a clear, colorless liquid named
A) naphthalene.
B) hexane.
C) benzene.
D) ethanol.
E) methane.
In a star, the balance between the inward force of gravity and the outward force of
thermal and radiation pressure is called
A) the neutrino bonding point.
B) hydrostatic equilibrium.
C) the plasma equality condition.
D) strong nuclear binding.
The driest of Earth's regions are known as
A) hot spots.
B) deserts.
C) wastelands.
D) scablands.
Work in the amount of 280 J is done in lifting an object a distance of 4.0 m in a time of
7.0 s. a. How much force did it take to lift the object? b. What was the power input?
The process of obtaining energy by merging small nuclei is called
A) fission.
B) fusion.
C) nucleogenesis.
D) bombardment.
Another name for cyanobacteria, the earliest evidence of ancient life, is
A) blue-green algae.
B) amber.
C) foraminifera.
D) coal.
The geologist Harry Hess proposed the theory of
A) plate tectonics.
B) continental drift.
C) seafloor spreading.
D) mountain building.
The major source of NOx pollution is
A) combustion for electrical generation.
B) industry.
C) transportation.
D) domestic heating.
Expressed in standard powers-of-10 notation and rounded to four significant figures,
the number 0.00023648 is
A) 2.364 103.
B) 2.365 104.
C) 2.365 10-4.
D) 236.4 10-6.
The percentage by mass of carbon in diamond is about
A) 25%.
B) 75%.
C) 100%.
D) 20%.
Geology's best tool for establishing absolute geologic time is
A) index fossils.
B) radiometric dating.
C) the principle of superposition.
D) the principle of cross-cutting relationships.
The natural tendency of an object to remain at rest or in motion with a constant velocity
is called
A) an external force.
B) an unbalanced force.
C) inertia.
D) none of these.
The number of _______________ on the Sun varies over an 11-year cycle.
A) sunspots
B) rays
C) canals
D) valleys
A high tide is occurring at Charleston, South Carolina (30W, 54N). At approximately
what other longitude is a high tide occurring?
A) 150E
B) 30E
C) 60E
D) 60W
E) 150W
A gold-plated (gold-covered) piece of jewelery, such as a bracelet, is
A) a compound.
B) a heterogeneous mixture.
C) a homogeneous mixture.
D) an element.
Which of the following is believed to have caused the extinction of the dinosaurs on
Earth?
A) An asteroid
B) A meteoroid
C) A comet
D) Interplanetary dust
According to the law of charges, unlike charges _________.
The sodium salt of a fatty acid is known as a(n) ______________.
Elements that display some properties of both metals and nonmetals are called
______________.
When the noonday Sun is overhead in London, England, on April 15, what are the
standard time and date in San Francisco?
Intrusive igneous rock formations that cut more or less vertically across older
formations are said to be ______________.
For there to be an acceleration, there must necessarily be a change in ______________.
The ______________ of a given solute is the amount of solute that will dissolve in a
specified mass of solvent at a given temperature to produce a saturated solution.
The largest units of geologic time are called ______________.
A person who can clearly see nearby objects but not distant ones is ______________.
Which is larger, a liter or a quart?
The statement "No detectable change in the total mass occurs during a chemical
reaction" is known as the law of ______________.
Draw the two structural formulas for the molecular formula C2H7N.
The largest volcano on Earth is in ______________.
An ice tray with 150 g of water at 30°C is placed in a freezer at "5°C. How much
energy must be removed from the water to lower its temperature to the freezing point?
The relationship of wave speed, wavelength, and frequency is given by
______________.
