Batholiths are massive plutons formed from the intrusion of
A) andesitic magma.
B) granitic magma.
C) basaltic magma.
D) all of these
Answer:
A parachutist steps from a hovering helicopter and falls for 5 s before reaching terminal
velocity. During this 5-s interval, her acceleration
A) is constant.
B) increases.
C) decreases.
D) is zero.
E) none of the above
Answer:
Which of the following statements about fission is true?
A) The amount of energy released in the fission of large nuclei is very large.
B) The amount of energy released in the fusion of small nuclei is very large.
C) Bombarding a nucleus with neutrons always leads to fission.
D) The fragments of a fusion reaction are always the same size.
E) none of the above
Answer:
Earth’s internal layers were discovered by studying the movement of P- and S- waves
through Earth’s interior. In comparison to S-waves, the movement of P-waves is
A) fast, compressing and expanding the rock as they move through it.
B) fast, vibrating the rock particles up and down and side-to-side.
C) slower and can travel through solid granite, magma, water or air.
D) slower and can travel only through solids, not liquids.
Answer:
Repeatedly tap the side of a drinking glass with a spoon as you fill the glass with water
and the pitch of the sound
A) increases.
B) decreases.
C) remains relatively constant.
Answer:
The dew that forms on a cold soda can when taken from a refrigerator is due to
A) evaporation.
B) condensation.
C) sublimation.
D) none of the above
Answer:
What determines the chemical and physical properties of hydrocarbons?
A) the way the atoms are connected together
B) the number of carbon and hydrogens
C) the elements it is composed of
D) the number of oxygen
E) both A and B
Answer:
The changing of a vapor into a liquid is called
A) condensation.
B) evaporation.
C) dew point.
D) saturation point.
Answer:
A skydiver who weighs 500 N reaches terminal velocity at 90 km/h. The air resistance
on the skydiver is
A) 90 N.
B) 250 N.
C) 410 N.
D) 500 N.
E) none of the above
Answer:
A ball is thrown upward and caught when it returns. When air resistance affects the ball,
compared with the initial upward speed, the speed of the ball when caught is
A) less.
B) the same.
C) more.
Answer:
If it takes 200 golf balls to equal the mass of four bowling balls, what is the relative
mass of bowling balls to golf balls?
A) 1/50
B) 1/20
C) 20 times
D) 100 times
E) 6.022 1023
Answer:
If an electric charge is rapidly shaken up and down,
A) sound is emitted.
B) light is emitted.
C) electron excitation occurs.
D) an electromagnetic wave is produced.
Answer:
Wood is a poor conductor
A) when it is cold.
B) at room temperature.
C) when it is hot.
D) all of the above
E) none of the above
Answer:
What is the approximate mass of a 1-cm2 column of air that extends from sea level to
the top of the atmosphere?
A) 1 g
B) 1 kg
C) 10 kg
D) 100 kg
Answer:
Aristotle believed that natural laws could be understood by
A) experiment.
B) logic.
C) patterns.
D) mathematics.
Answer:
A weak acid is added to a concentrated solution of hydrochloric acid. Does the solution
become more or less acidic?
A) More acidic, since there are more hydronium ions being added to the solution.
B) Less acidic, since the solution becomes more dilute with a less concentrated solution
of hydronium ions being added to the solution.
C) No change in acidity, since the concentration of the hydrochloric acid is too high to
be changed by the weak solution.
D) Less acidic since the concentration of hydroxide ions will increase.
Answer:
The principle of superposition states that the top layer of rock is
A) igneous.
B) the youngest.
C) sedimentary.
D) the oldest.
Answer:
When a wave moves, the water
A) moves along with the wave.
B) follows a straight up and down path.
C) follows a roughly circular path.
D) moves with the wave to a depth of one-half the wavelength, while deeper water
follows a circular orbit.
Answer:
How many covalent bonds would the following generic atom usually form?
A) 1
B) 2
C) 4
D) 8
E) would usually not form any covalent bonds
Answer:
A light woman and a heavy man jump from an airplane at the same time and open their
samesize parachutes at the same time. Which person reaches a state of zero acceleration
first?
A) the light woman
B) the heavy man
C) both at the same time
D) not enough information
Answer:
What is the acceleration of a scooter that maintains a constant velocity of 15 m/s for 10
s?
A) 0 m/s2
B) 0.15 m/s2
C) 1.5 m/s2
D) 15 m/s2
Answer:
The color of a firework comes from the glowing of
A) molecules.
B) atoms.
C) gun powder.
D) laser light.
Answer:
The average speed of Daisy running a distance of 2 km in a time of one-half hour is
A) 1 km/h.
B) 2 km/h.
C) 4 km/h.
D) more than 4 km/h.
Answer:
What will be the predominant element within the Sun after it has died?
A) helium
B) nitrogen
C) carbon
D) phosphorous
Answer:
In a fractionating tower, the crude oil vapors pass from a pipe still into the column. Tar
and lubricating stock are the first components to be pulled off at the bottom. Nearer the
top kerosene is pulled off followed by gasoline and finally natural gas at the very top.
From this information, which has a higher boiling point, gasoline or kerosine?
A) Gasoline has the higher boiling point.
B) Kerosene has the higher boiling point.
C) Their boiling points are the same, but kerosene has the greater density.
D) Fractional distillation components are pulled off based on molecular weight, so it is
not possible to know which has the higher boiling point from the information given.
Answer:
Which of the following solutions is the most concentrated?
A) 0.1 liter of water with 1 gram of sugar
B) 2 liters of water with 0.2 gram of sugar
C) 0.5 liter of water with 50 grams of sugar
D) 3 liters of water with 30 grams of sugar
E) They all have the same concentration.
Answer:
Glass is largely opaque to
A) infrared light.
B) visible light.
C) ultraviolet light.
Answer:
The “Responsible Care” program was created by
A) academica.
B) the government.
C) industry.
D) non-profit non-governmental organizations.
Answer:
What is transmutation?
A) changing one element into another by adding or removing protons from the nucleus
B) changing one element into another by adding or removing electrons from the nucleus
C) changing one element into another by adding or removing neutrons from the nucleus
D) a process that emits radiation
E) alteration in DNA due to radioactivity
Answer:
Sound travels faster in
A) air.
B) water.
C) steel.
D) a vacuum.
E) same in each
Answer:
When white light is dispersed in a prism, the fastest light is
A) red.
B) orange.
C) green.
D) blue.
E) same in all
Answer:
The volcanoes of the Hawaiian Islands are
A) strato-volcanoes.
B) composed of andesite.
C) shield volcanoes.
D) cinder cones.
Answer:
If the radius of the Earth somehow increased with no change in mass, your weight
would
A) increase.
B) not change.
C) decrease.
Answer: