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A star that is twice as hot as another has twice the
A) Celsius temperature.
B) Fahrenheit temperature.
C) Kelvin temperature.
D) all of the above
E) none of the above
Answer:
As a blinking light source approaching you gains speed, you see the frequency of
flashes
A) increase.
B) decrease.
C) remain unchanged.
D) None of these.
Answer:
In what phase of matter are the particles no longer moving?
A) solid
B) liquid
C) gas
D) none of the above
Answer:
As rock is heated, the first minerals to melt are those
A) with the highest melting point.
B) with the lowest melting point.
C) composed of granitic magma.
D) that have undergone partial distillation.
Answer:
Electrons flow in a wire when there is
A) an imbalance of charges in the wire.
B) a potential difference across its ends.
C) a difference in potential energy across its ends.
D) none of the above
Answer:
Which of the half-reactions below would be complementary, balance the following
half-reaction, and be chemically reasonable?
Br2 → 2 Br-
A) 2 K → 2 K+
B) K+ → K
C) K → K+
D) 2 K+ → 2 K
E) K → K+2
Answer:
To multiply an applied force while using a simple hydraulic lift, your force should be
applied to the
A) large-diameter piston.
B) small-diameter piston.
C) relative piston sizes don't matter
Answer:
As air temperature cools below its dew point temperature, the air's water vapor
A) increases.
B) decreases.
C) condenses.
D) evaporates.
Answer:
Most of the atoms in the universe are thought to be
A) hydrogen.
B) helium.
C) about equal amounts of hydrogen and helium.
D) iron.
E) elements unknown at present.
Answer:
When you rapidly stir some raw eggs with an egg beater, their temperature
A) increases.
B) decreases.
C) remains unchanged.
Answer:
Which of the following is NOT an ion?
A) H+1
B) Br-
C) O2
D) Mg+2
E) NO3
-
Answer:
Jewelry is often manufactured by electroplating an expensive metal such as gold over a
cheaper metal. A setup for this process can be sketched as follows:
What would happen if the battery connections were suddenly reversed?
A) The ring would continue to electroplate with gold.
B) Gold ions in solution would get reduced and settle to the bottom of the container.
C) Gold ions in solution would begin to electroplate onto the gold electrode.
D) All electrolysis would stop.
Answer:
Distinguish between a metal and a metal-containing compound.
A) There is no distinction between the two.
B) Only one of these contains ionic bonds.
C) Only one of these contains covalent bonds.
D) Only one of these occurs naturally.
Answer:
When we say an appliance "uses up" electricity, we are actually saying that
A) current disappears.
B) electric charges are dissipated.
C) the main power supply voltage is lowered.
D) electrons are taken out of the circuit and put somewhere else.
E) electrical energy changes to thermal energy.
Answer:
The Bernoulli effect causes passing ships to be drawn together when the ships are close
and moving in
A) the same direction.
B) opposite directions.
C) either of these
D) none of the above
Answer:
The Mesozoic era is known as the age of the
A) dinosaur.
B) reptile.
C) fishes.
D) synapsids.
Answer:
A glance at the speedometer on your vehicle will tell you your
A) average speed.
B) instantaneous speed.
C) overall speed.
D) acceleration.
Answer:
The winds in a Northern Hemisphere cyclone spiral
A) clockwise toward its center.
B) counterclockwise towards its center.
C) clockwise away from its center.
D) counterclockwise away from its center.
Answer:
The ability to carry large particle sizes is dependent on the stream's
A) laminar flow.
B) velocity.
C) discharge.
D) channel geometry.
Answer:
The temperature at which a liquid freezes is
A) affected by foreign ions.
B) the same temperature at which its solid form melts.
C) both of these
D) neither of these
Answer:
Land subsidence is generally not reversible because
A) compacted clay layers cannot be expanded.
B) once pumping is stopped, layers continue to compact.
C) compacted sandy aquifers cannot be expanded.
D) none of the above
Answer:
Does an ionic bond have a dipole?
A) No, dipoles are only found in covalent compounds.
B) No, but the electrical charges are relatively strong.
C) Yes, the ionic bond is an example of a very strong dipole.
D) Yes, but for ionic compounds they are referred to as monopoles.
Answer:
When you rub your hands together, you
A) can push harder on one hand than the other.
B) cannot push harder on one hand than the other.
C) need more information
Answer:
The principle of continuity states that for fluid flow to be continuous it must
A) speed up in narrow regions of flow.
B) slow down in wide regions of flow.
C) both of these
D) neither of these
Answer:
Electrical resistance is normally measured in
A) amperes.
B) volts.
C) newtons.
D) joules.
E) none of the above
Answer:
Compared with the buoyant force of the atmosphere on a helium-filled balloon, the
buoyant force of the atmosphere on a nearby wood block of the same volume is
A) considerably less.
B) considerably more.
C) the same.
Answer:
In the topography of the ocean basins, high points such as seamounts and abyssal hills
are composed of
A) plutonic rock.
B) volcanic rock.
C) accumulated sediments washed down from the continents.
Answer:
Transform-fault boundaries usually form
A) between two segments of a mid-ocean ridge.
B) between two other transform-fault boundaries.
C) between a mid-ocean ridge and a subduction zone.
D) in the rift of a mid-ocean ridge.
Answer:
Of the following rocks, the one that does not originate in sediments laid down by water,
wind, or ice is
A) sandstone.
B) marble.
C) shale.
D) conglomerate.
Answer:
The most common mineral in Earth's crust is ________, and the second most common
mineral is ________.
A) quartz; feldspar
B) feldspar; quartz
C) silicate; carbonate
D) olivine; feldspar
Answer:
The iridium layer at the Cretaceous-Tertiary boundary is attributed to
A) meteorite bombardment.
B) massive volcanic eruptions.
C) massive earthquakes and shock waves.
D) extinction of the dinosaurs.
Answer:
What is a hydrogen bond?
A) a special type of dipole-dipole attraction involving hydrogen bound to a highly
electronegative atom
B) a special type of dipole-dipole attraction involving hydrogen bound to any other
atom
C) a special type of dipole-dipole attraction involving hydrogen bound to another
hydrogen atom
D) a special type of attraction involving any molecules that contain hydrogens
E) none of the above
Answer:
The great height of the Himalayas is due to
A) continental-continental convergence where neither plate undergoes subduction.
B) the continuing after affect of the collision between the Alps and the Urals.
C) convergence of the Farallon Plate with India.
D) the subduction of India beneath Asia.
Answer:
