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An element found in another galaxy exists as two isotopes. If 80.0 percent of the atoms
have an atomic mass of 80.00 atomic mass units and the other 20.0 percent have an
atomic mass of 82.00 atomic mass units, what is the atomic mass of the element?
A) 81.0 atomic mass units
B) 64.0 atomic mass units
C) 80.4 atomic mass units
D) 16.4 atomic mass units
E) 81.6 atomic mass units
Answer:
Rising air expands and cools. If the air mass cools below its dew point temperature, the
air mass
A) reaches 100% relative humidity, and water vapor evaporates.
B) reaches 100% relative humidity, and water vapor may condense to form clouds.
C) stops moving upward and relative humidity climbs to 100%.
D) continues to cool at the environmental lapse rate.
Answer:
Sandy soils tend to have
A) high porosity and high permeability.
B) high porosity and low permeability.
C) low porosity and low permeability.
D) low porosity and high permeability.
Answer:
Which of these has the greatest mass?
A) proton
B) electron
C) both of these
D) neither of these
Answer:
Pigs wallow in mud mainly to
A) decrease thermal conductivity.
B) shield themselves from the Sun.
C) cool themselves by evaporation.
Answer:
Two charged particles near each other are released. As the particles move, the velocity
of each increases. Therefore, the particles have
A) the same sign.
B) the opposite sign.
C) not enough information
Answer:
When the alignment of the Sun, the Moon, and Earth produce a lunar eclipse, the body
that is in between the other two is the
A) Sun.
B) Moon.
C) Earth.
Answer:
The flow of groundwater is
A) as fast as the water in streams.
B) from where the water table is high to where it is low.
C) from where the water table is low to where it is high.
D) insignificant.
Answer:
A transformer actually transforms
A) energy from one value of voltage to another.
B) magnetic and electric field lines.
C) generators into motors.
D) motors into generators.
E) all of the above
Answer:
Rain or snow that falls on the continents is Earth's only
A) supply of water.
B) supply of fresh water.
C) hydrologic cycle.
D) source of evaporation and condensation.
Answer:
Tectonic interaction between plate boundaries does not explain
A) magma production and the variety of igneous rocks.
B) mountain building.
C) polar wandering.
D) global distribution of earthquakes and volcanoes.
Answer:
Evaporation is a cooling process because
A) heat is radiated during the process.
B) of conduction and convection.
C) the more energetic molecules escape the liquid.
D) none of the above
Answer:
What do members of the Chemical Manufacturers Association pledge in the
Responsible Care program?
A) The members pledge to manufacture utilizing responsible chemical standards.
B) The members pledge to manufacture without causing environmental damage.
C) The members pledge responsible care for all laboratory test animals.
D) The members pledge responsible care by using only USP grade reagents.
Answer:
Suzy shakes a rope tied to a wall and produces a standing wave of one loop. The
distance between Suzy and the wall is
A) one-half a wavelength.
B) a full wavelength.
C) more than a full wavelength.
D) none of the above
Answer:
The modern theory of dark energy arises from observations showing that
A) galaxies spin at slower than expected rates.
B) superclusters are collapsing.
C) the speed of light is not exactly constant.
D) galaxies are accelerating away from each other.
Answer:
Sea level fluctuated several times during the Paleozoic. Which of the following is not a
representative factor for sea level rise in the Paleozoic?
A) Melting of continental glaciers.
B) Ocean basins stood high on the asthenosphere due to active seafloor spreading.
C) Ocean basins stood high on the asthenosphere due to slow but continuous seafloor
convergence.
D) The breakup of the Precambrian supercontinent.
Answer:
Compared to a single lamp connected to a battery, two lamps connected in parallel to
the same battery will draw
A) more current.
B) less current.
C) the same current.
Answer:
The temperature of the mesosphere decreases from 0C at the bottom to -90C at the top.
This change in temperature is a result of
A) a decrease in air pressure.
B) low absorption of solar radiationair molecules emit more energy than they absorb.
C) low air density.
D) all of these
Answer:
The ocean crust
A) becomes progressively younger away from the mid-ocean ridges.
B) is the same age worldwide.
C) becomes progressively older away from the mid-ocean ridge.
D) ranges in age, the oldest ocean crust is in the Atlantic and the youngest is in the
Arctic.
Answer:
Relative to ultraviolet waves, the wavelength of infrared waves is
A) shorter.
B) longer.
C) the same.
Answer:
When sea level is low
A) shallow marine habitats expand.
B) low elevation areas of the continents are flooded.
C) more continental land is exposed.
D) climate conditions tend to be mild.
Answer:
Air temperature decreases with increasing altitude; this rate of cooling is called the
A) dry adiabatic lapse rate.
B) a moist adiabatic rate.
C) environmental lapse rate.
Answer:
Standing at the shore of a still lake, the reflected view of scenery on the far side of the
lake is the view you would see if you were upside down with your eye in the line of
sight
A) where it presently is.
B) at the surface of the water where the light reflects.
C) directly beneath you, as far below water level as you are above.
D) close to the distant shore.
E) none of the above
Answer:
It currently appears that within this universe we have mostly
A) neutrinos.
B) matter.
C) dark matter.
D) dark energy.
Answer:
A heavy ball hangs by a string, with a second string attached to its bottom (Figure 1.7 in
your text). A slow pull on the bottom string breaks the
A) top string.
B) bottom string.
C) top or bottom string equally likely.
D) none of the above
Answer:
Which are older, the atoms in the body of an elderly person or those in the body of a
baby?
A) A baby because this is surely a trick question.
B) An elderly person because they have been around much longer.
C) They are of the same age, which is appreciably older than the solar system.
D) It depends upon their diet.
Answer:
Plate tectonics states that
A) the continents move through Earth's crust like an icebreaker through ice.
B) earthquakes occur because tectonic plates break like a dropped dinner plate.
C) tectonic plates have not moved since Pangaea broke up.
D) tectonic plates are in slow, but constant motion.
Answer:
In a thunderstorm, the falling rain creates
A) an updraft that generates a storm cell within the cloud.
B) a downdraft, chilling the air and making it denser than the surrounding air.
C) a downdraft, chilling the air and making it less dense than the surrounding air.
D) an updraft, chilling the air and making it denser than the surrounding air.
Answer:
What makes a semipermeable membrane selective for one chemical species but not
another?
A) The pores in the membrane select by size, they are big enough for water only.
B) The material is hydrophilic and therefore only allows water through.
C) The material is hydrophobic and therefore only allows water through.
D) The material chemically reacts with everything but water.
E) none of the above
Answer:
A watermelon will cool faster when placed in what part of a refrigerator?
A) the freezer compartment
B) the main part of the refrigerator
C) either location should cool the can at the same rate
Answer:
The degree to which a soil or rock allows groundwater to flow is called
A) permeability.
B) aquifer.
C) porosity.
D) hydraulic gradient.
Answer:
Sedimentary rocks provide clues about past geologic events and settings. A low energy,
quiet environment such as a lagoon or lake bed provides the perfect setting for the
formation of
A) sandstone and shale.
B) shale and evaporites.
C) arkose and dolomite.
D) none of these
Answer:
The silver lining on the glass surfaces of a Thermos bottle reduces energy that is
transferred by
A) conduction.
B) convection.
C) radiation.
D) friction.
E) none of the above
Answer:
