Unlock document.
This document is partially blurred.
Unlock all pages and 1 million more documents.
Get Access
If a positively charged object is brought near a suspended, positively charged object, the
suspended object will be
A) repelled.
B) charged more.
C) discharged.
D) attracted.
Who developed the quantum theory in 1900 and has a constant named for him?
A) de Broglie
B) Bohr
C) Planck
D) Einstein
A compound that contains water molecules as part of its formula is called
A) a hydrate.
B) an anhydride.
C) a hydride.
D) a hydroxide.
In the early 1900s, the scientist named __________ revived the idea of continental drift.
A) Alfred Wegener
B) Harry Hess
C) Andrija Mohorovicic
D) None of the above
The two major types of nebulae are
A) emission nebulae and dark nebulae.
B) bright nebulae and dark nebulae.
C) bright nebulae and reflection nebulae.
D) reflection nebulae and emission nebulae.
A temperature of 110 Kelvin is equivalent to _____ degrees Celsius.
A) 316.3
B) 383.0
C) 43.3
D) "163.0
For a specific element, photons of how many different energies could be absorbed by
electrons to jump from the n= 1 to n= 3 level?
A) 6
B) 3
C) 4
D) 1
E) 2
Which of the following four objects has the greatest kinetic energy?
A) An object of mass m moving with speed 4v
B) An object of mass 3m moving with speed 2v
C) An object of mass 4m moving with speed v
D) An object of mass 2m moving with speed 3v
E) None of these; all four objects have the same kinetic energy.
Methyl salicylate is an ester commonly called
A) glycerine.
B) oil of wintergreen.
C) heroin.
D) chloroform.
E) methamphetamine.
The Miocene is a(n)
A) epoch.
B) era.
C) eon.
D) period.
Mechanical energy
A) is the automobile energy.
B) is the sum of kinetic and potential energies.
C) is the kinetic energy.
D) is the potential energy.
Identify each of the following compounds as either ionic or covalent.
a. KBr
b. CCl4
c. NaF
d. C2H4
The planetary model of the atom is associated with
A) Bohr.
B) Thomson.
C) Dalton.
D) Rutherford.
Which of the following Period 3 atoms has the smallest radius?
A) Ar
B) Al
C) S
D) Na
On March 21, the Moon is in its first-quarter phase. An observer who sees this Moon on
his or her meridian at this time
A) cannot see the Sun.
B) sees the Sun setting.
C) sees the Sun rising.
D) none of these
If a piece of ribbon were tied to a stretched string carrying a transverse wave, how
would the ribbon be observed to oscillate?
A) Perpendicular to the wave motion
B) Parallel to the wave motion
C) Neither (A) nor (B)
D) Both (A) and (B)
A 0.10-kg ball is dropped from a height of 10 m and rebounds to a height of 8.0 m. a. Is
energy conserved in the ball? b. If not, how much energy was lost, and what happened
to it?
The Venus lacks
A) an atmosphere.
B) a solid surface.
C) a moon.
D) a gravitational field.
Which of the following rocks is not a sedimentary rock?
A) Shale
B) Sandstone
C) Marble
D) Conglomerate
The ""billiard ball model" of the atom is associated with
A) Bohr.
B) Thomson.
C) Rutherford.
D) Dalton.
The Julian calendar assumed that there were ______________ days in a year.
A) 365
B) 365
C) 366
D) 354.2422
Sedimentary layer A is found above sedimentary layer B, and the two are separated by a
horizontal layer of ash, C. Therefore, the order from oldest to youngest is
A) B, C, A.
B) C, B, A.
C) A, C, B.
D) none of these.
The de Broglie wavelength of a particle is inversely proportional to both its speed and
its
A) spin.
B) electric charge.
C) volume.
D) mass.
In organic molecules, a chlorine atom will normally form how many bonds?
A) 2
B) 3
C) 4
D) 1
E) 0
The magnitude of a displacement is ______________ the magnitude of the distance
traveled.
A) always unequal to
B) less than or equal to
C) always equal to
D) greater than or equal to
E) none of these; the two cannot be compared.
The plastic-like substratum on which the lithospheric plates move is called the
A) outer core.
B) endosphere.
C) isosphere.
D) asthenosphere.
Stars lying above the main sequence that are relatively cool but very bright are called
A) red giants.
B) white dwarfs.
C) brown dwarfs.
D) pulsars.
Sediments are classified according to the source of their constituents into two main
groups. One is chemical. What is the other?
A) Physical
B) Clastic
C) Detrital
D) Inorganic
Which of the following ions would never form in chemical reactions?
A) F2-
B) Al3+
C) O2-
D) N3-
One main type of feldspar that contains potassium is
A) quartz.
B) orthoclase.
C) plagioclase.
D) pyrite.
The term age of reptiles is sometimes used to refer to the ______________ era.
For total internal reflection, light is reflected and none is ______________.
A rock dropped down a well takes 1.8 s to hit the water. How far below the top of the
well is the surface of the water?
Seawater movement that arises from incoming ocean waves that break at an angle to the
shoreis called a(n) ______________ current.
The "particle" of light given off by an excited electron when it loses energy is called
a(n) ______________.
When air is cooled below its dew point without condensation, it is said to be
______________.
In common physics terminology, a particle with a negative potential energy is in a(n)
potential ______________.
The ratio of a mineral sample's weight to the weight of an equal volume of water is
called the mineral's ______________.
The product of force times parallel distance is called ______________.
Saturn's moon named ______________ is the second largest moon in the solar system.
Energy sources that would be nonpolluting supplements to our energy are called
______________ fuels.
The horizontal rows of the periodic table are called ______________.
At the maximum height of a projectile launched at an angle to the horizontal, the
projectile's velocity is in a ______________ direction.
Six trillion miles is equivalent in distance to one _______________.
The number of _______________ appearing on the Sun varies over an 11-year cycle.
H3PO4 is the formula for _______________acid.
Given 10 kWh of electricity and assuming no losses, how much work, in joules, could
be done?
The percentage composition by mass (to the nearest 0.1) of C in sugar, C12H22O11, is
_____________.
The following data refer to a car traveling west:
t (s) 0 1 2 3 4
--------------------------
v (m/s) 30 25 20 15 10
Find the magnitude and direction of the acceleration.
The remaining core of a planetary nebula is called a(n) _______________.
