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In projectile motion, which of the following is notconstant?
A) Vertical velocity
B) Horizontal velocity
C) Acceleration
D) None of these
The preferred name of NiS is
A) nickel(III) sulfide.
B) nickel(II) sulfide.
C) nickel(I) sulfide.
D) nickel sulfide.
A substance of unknown composition is heated in an open container. As a result, the
mass of the container and its contents
A) decreases.
B) remains the same.
C) increases.
D) Any of these could occur.
The Sun has been on the main sequence
A) for about 10 million years.
B) for about 5 billion years.
C) forever.
D) for about 14 billion years.
When running and jumping to score, a basketball player seems to "hang" in the air
because
A) his or her acceleration is zero.
B) his or her horizontal velocity is quite small.
C) both components of motion are zero.
D) his or her vertical velocity is quite small.
E) levitation is possible with practice.
An object is placed 10 cm to the left of a converging spherical lens. The lens has a focal
length of f= 25 cm. What kind of image is formed and what is its orientation?
A) Real/Upright
B) Virtual/Upright
C) Virtual/Inverted
D) Real/Inverted
The development of physics prior to 1900 is called
A) classical physics.
B) neoclassical physics.
C) Galilean physics.
D) ancient physics.
What happens to a sample of water when it is heated between 0°C and 4°C?
A) Its volume increases.
B) Its volume is reduced.
C) It vaporizes.
D) Nothing changes except its temperature.
Increased reactant concentration usually leads to an increase in reaction rate, because
collisions are
A) more violent only.
B) more frequent only.
C) both more violent and more frequent.
D) none of these
Which of the following moons has retrograde motion?
A) Ganymede
B) Titan
C) Miranda
D) Triton
Centripetal means
A) center seeking
B) pulls outward
C) constant
D) fast
E) none of these
Which of the following statements is false?
A) Dikes are discordant rock bodies.
B) Dikes are formed from magma.
C) Dikes are tabular in shape.
D) Dikes consist of extrusive igneous rock.
The amount of heat necessary to change the temperature of 1 kg of a substance 1C is
A) 1 cal.
B) the specific heat.
C) the heat difference.
D) 1 J.
If a person weighs 186 lb on Earth, that person's weight on the Moon would be
A) 1116 lb.
B) 93 lb.
C) 31 lb.
D) 186 lb.
E) 93 lb.
A depression on the land surface caused by the collapse of a cavern is called
A) a sinkhole.
B) a shrink pit.
C) a culvert.
D) none of the above.
The linear momentum of an object can be determined by taking the product of the mass
and the
A) acceleration of the object.
B) velocity of the object.
C) distance the object moves.
D) displacement of the object.
What is the correct formula for calcium phosphate?
A) Ca3P2
B) Ca2(PO4)3
C) Ca3(PO4)2
D) Ca2P3
What is the formula mass of ammonium phosphide, (NH4)3P?
A) 85.0 u
B) 49.0 u
C) 48.0 u
D) 57.0 u
The _______________ is the remnant of a supernova explosion observed in A.D. 1054.
Glow-in-the-dark materials exhibit the phenomenon called
A) phosphorescence.
B) simulated absorption.
C) fluorescence.
D) stimulated emission.
Dispersing light from a hot wire gives what type of spectrum?
A) Line absorption
B) Continuous
C) Line emission
D) Ultraviolet
The fundamental concept of geology that was developed by James Hutton is
A) radiometric dating.
B) the principle of superposition.
C) the principle of cross-cutting relationships.
D) uniformitarianism.
The Moon revolves around Earth
A) in a clockwise direction, as viewed from above Earth's North Pole.
B) once every day.
C) once every 7-3/8 days.
D) none of these
A lens that thicker at the edge than at the center is
A) a diverging lens only.
B) a convex lens only.
C) a converging lens only.
D) both a convex lens and a converging lens.
For water droplets to form, what must be present?
A) Smog
B) Hygroscopic nuclei
C) Carbon dioxide
D) Ozone
In the SI, m is the symbol for
A) mass.
B) meter.
C) mole.
D) metric.
A body of permeable rock through which groundwater moves is called
A) an aquifer.
B) a water table.
C) a porosity level.
D) a zone of aeration.
All real images
A) cannot be focused on a screen.
B) are erect.
C) can be focused on a screen.
D) are inverted.
In a star, the condition of balance between the inward force of gravity and the outward
force of thermal and radiation pressure is known as _______________ equilibrium.
A) hydrostatic
B) thermal
C) photostatic
D) magnetostatic
Our home galaxy is called _______________.
A) M31
B) the solar system
C) the Milky Way
D) Andromeda
Earthquake P waves are
A) neither longitudinal nor transverse.
B) transverse.
C) longitudinal.
D) sometimes longitudinal and sometimes transverse.
AC voltage may be stepped up or stepped down using a(n) ______________.
The sedimentary rock known as ______________ consists of angular pebbles cemented
together by silica, calcium carbonate, or iron oxide.
When the Sun moves off the main sequence, it will next become a(n)
_______________.
The standard unit of mass in the SI is the ______________.
A(n) ______________ consists of many narrow parallel slits very close together.
For a wave with a constant speed, the smaller the period, the ______________ its
wavelength.
Transverse seismic body waves are known by the letter ______________.
The atmospheric division that lies directly above the stratosphere is the
______________.
On the H-R diagram, the Sun lies on the _______________.
Balance the chemical equation: Al2S3+ H2O Al(OH)3+ H2S
Greenland and Antarctica are covered with glacial ice sheets called ______________
glaciers.
The ______________ on the Moon are believed to have been caused by moonquakes.
The complex chemical combinations of amino acids that are essential ingredients in
living cells are called ______________.
The finding of an abnormally high concentration of the element named
______________ was the first clue to the probable cause of the K-T event.
