1) Toss Up - Math - Multiple Choice
Which statistical measure of range represents the middle 50% of data?
W) Z-score
X) H-hat
Y) IQR
Z) Quartile
1) Bonus - Math - Short Answer
Carla multiples the IQR by 1.5, and then subtracts it from first quartile and adds it to the third quartile. WHat is Carla trying to find?
ANSWER: OUTLIER2) Toss Up - Biology - Short Answer
In what specific part of the testes does spermatogenesis occur in mammals?
ANSWER: SEMINIFEROUS TUBULES2) Bonus - Biology - Short Answer
What human gland, which is mostly lymphoid tissue, is critical to the normal development of cell mediated immunity and, if removed after young adulthood, seems to have no ill effects on the immune system?
ANSWER: THYMUS3) Toss Up - Earth Science - Multiple Choice
The process of lithification converts unconsolidated earth
materials into sedimentary rock. Which one of the following is not associated with
this process?
W) Cementation
X) Compaction
Y) Crystallization
Z) Fractionization
3) Bonus - Earth Science - Multiple Choice
Darcy’s Law pertains to
W) Sea floor spreading.
X) Fluid flow through porous media.
Y) Karst Geomorphology.
Z) Structural Geology.
4) Toss Up - Astronomy - Short Answer
Using the most common temperature-based spectral classification system, a star with an apparent color of blue and a surface temperature of 55,000kelvin would have what spectral letter classification?
ANSWER: O4) Bonus - Astronomy - Short Answer
Order the following 3 celestial objects from the one with the LEAST number of impact craters to the MOST: Earth’s Moon; Earth; Venus
ANSWER: Earth; venus; earth’s moon5) Toss Up - Physics - Short Answer
Assume a ray of light is incident on a smooth reflecting surface at an angle of incidence of 15 degrees to the normal. What is the angle between the incident ray and the reflected ray?
ANSWER: 30 DEGREES5) Bonus - Physics - Multiple Choice
An organ pipe that is open at both ends resonates at its fundamental
frequency. Neglecting any end effects, what wavelength is formed by this pipe in this mode
of vibration if the pipe is 2 meters long?
W) 2 meters
X) 4 meters
Y) 6 meters
Z) 8 meters.
6) Toss Up - Earth Science - Multiple Choice
Ocean tides of diminished range are called:
W) spring tides
X) neap tides
Y) diurnal tides
Z) semi-diurnal tides
6) Bonus - Earth Science - Multiple Choice
Which of the following was a time when glaciation was minimal on Earth:
W) Cretaceous Period
X) Quaternary Period
Y) Holocene Epoch
Z) Pleistocene Epoch
7) Toss Up - Physics - Short Answer
What type of particle mediates the strong nuclear force?
ANSWER: GLUON7) Bonus - Physics - Short Answer
A car with a mass of 1100 kilograms moves at 24 meters per second. What is the magnitude of the braking force, in newtons, needed to bring the car to a halt in 20 seconds?
ANSWER: 13208) Toss Up - Earth Science - Multiple Choice
When drilling a well, if we wish to find a reliable supply
of groundwater, we search for an:
W) aquiduct
X) aquifer
Y) aquitard
Z) aquaberm
8) Bonus - Earth Science - Short Answer
What is the name for the North Atlantic Ocean current which moves southeastward along the east coasts of Baffin Island, Labrador, and Newfoundland?
ANSWER: LABRADOR CURRENT9) Toss Up - Math - Multiple Choice
One-fifth of 0.04% is equal to:
W) `8 * 10^-2`
X) `8 * 10^-3`
Y) `8 * 10^-4`
Z) `8 * 106-5`
9) Bonus - Math - Multiple Choice
Which of the following is NOT true of matrices:
W) a square matrix that has an inverse is called invertible
X) a matrix does not have to have an inverse
Y) a matrix that does not have an inverse is called non-singular
Z) a matrix must be square in order to have an inverse
10) Toss Up - Biology - Multiple Choice
Bacteria that cannot grow in the presence of oxygen are:
W) aerobes
X) obligate anaerobes
Y) facultative anaerobes
Z) obligate aerobes
10) Bonus - Biology - Short Answer
The acromion (pronounced: AH-crome-ee-on) process is part of what human bone?
ANSWER: SCAPULA11) Toss Up - Physics - Short Answer
As exemplified in beta decay, as an atom’s atomic mass increases, more of these particles are needed to maintain nuclear stability:
ANSWER: NEUTRONS11) Bonus - Physics - Short Answer
If C is capacitance, Q is charge, and V is voltage across the capacitor, what mathematical formula is the most direct representation of the capacitance of a parallel plate capacitor:
ANSWER: C = Q/V12) Toss Up - Earth Science - Multiple Choice
Which of the following rocks typically has the SMALLEST grains:
W) shale
X) conglomerate
Y) breccia
Z) sandstone
12) Bonus - Earth Science - Multiple Choice
If ammonoid fossils are found in a sediment layer, the area was MOST likely covered by:
W) an ocean
X) a large forest
Y) a pre-Cambrian swamp
Z) a fresh-water basin
13) Toss Up - Physics - Multiple Choice
A rope being pulled at both ends would be an example of which type of stress?
W) Shear Stress
X) Tensile Stress
Y) Bulk Stress
Z) None of the above
13) Bonus - Physics - Multiple Choice
A steel rod has a Young’s Modulus of approximately `2.0 * 10^11` Pa. Increasing the rod’s length by 7 times but decreasing its cross-sectional area by 3 times would result in a new Young’s Modulus of what size?
W) `6.0 * 10^11` Pa
X) `1.2 * 10^11` Pa
Y) `4.2 * 10^12` Pa
Z) `1.4 * 10^12` Pa
14) Toss Up - Chemistry - Multiple Choice
With regard to a graph illustrating the distribution of molecular speeds for a gas at different temperatures, which of the following occurs as temperature decreases?
W) The curve flattens
X) The average speed increases
Y) The percentage of gas at higher speeds decreases z) The mean free path decreases
14) Bonus - Chemistry - Short Answer
Rank the following four gases in order of increasing effusion rates: 1) Argon, 2) Helium, 3) Oxygen, 4) Chlorine.
ANSWER: 4, 1, 3, 2 (ACCEPT: CHLORINE, ARGON, OXYGEN, HELIUM)15) Toss Up - Computer Science - Short Answer
What is the scaled-down version of Windows platform used with handheld PCs called?
ANSWER: WINDOWS CE15) Bonus - Computer Science - Multiple Choice
The method of duplicating the pixels from a selected portion of an image to another area is called
W) clip logging
X) cloning
Y) painting
Z) retouching
16) Toss Up - Physics - Short Answer
This is a natural science that involves the study of matter and its motion through space-time, as well as all related concepts, including energy and force.
ANSWER: PHYSICS16) Bonus - Physics - Short Answer
This is a device for measuring the energy of incident electromagnetic radiation. It consists of an absorptive element, such as a thin layer of metal, connected to a heat sink The result is that any radiation impinging on the absorptive element raises its temperature above that of the heat sink.
ANSWER: BOLOMETER17) Toss Up - Physics - Multiple Choice
Which of the following phrases is associated with Fermi's Paradox?
W) Why are we here?
X) Why is the sky dark at night?
Y) Are we alone?
Z) Where are they?
17) Bonus - Physics - Multiple Choice
Which of the following is true about Universal Time?
W) it is synonymous with sidereal time
X) it is synonymous with International Atomic Time
Y) it is now offset by about 30 seconds from mean solar time
Z) it is a modern replacement for Greenwich Mean Time
18) Toss Up - Biology - Multiple Choice
In studies of the human body, which of the following terms would be used to describe the lack of voluntary control of urination or voiding of the bladder? Is it
W) anuria
X) suppression
Y) incontinence
Z) none of these
18) Bonus - Biology - Short Answer
Complete the sentence. The alternative forms of gene at the samelocus on homologous chromosomes are called what?
ANSWER: alleles19) Toss Up - Chemistry - Short Answer
What are the bond angles around each carbon in a benzene ring?
ANSWER: 120°19) Bonus - Chemistry - Short Answer
How many carbons are in the following compound: (read slowly) 4-ethyl-4-methyl octane
ANSWER: 1120) Toss Up - Chemistry - Multiple Choice
Which of the following statements is TRUE of ceramics?
W) They are homogeneous
X) They are heterogeneous (read as: heh-teh-roh-JEE-nee-is)
Y) They are chelates
Z) They are a form of glass
20) Bonus - Chemistry - Multiple Choice
Which of the following elements has the valence electron configuration of 3s23p3?
W) Phosphorus
X) Oxygen
Y) Bromine
Z) Nitrogen
21) Toss Up - Physics - Multiple Choice
A monochromatic electromagnetic wave travels in the +x direction. In which direction does the wave vector point?
W) +x
X) -x
Y) +y
Z) +z
21) Bonus - Physics - Multiple Choice
Current density describes the rate at which electrical charge flows out of a system. What quantity describes the rate at which electrical energy flows out of a system?
W) Force
X) Lorentz vector
Y) Poynting vector
Z) Energy density
22) Toss Up - Math - Multiple Choice
What is the product of the following 2 values: (1) the greatest common divisor of 7 and 14; and (2) the least common multiple of 7 and 14:
W) 21
X) 49
Y) 98
Z) 196
22) Bonus - Math - Multiple Choice
Which of the following is NOT true:
W) all central angles in a regular polygon are equal
X) irregular polygons are not considered to have centers and have no central angles
Y) the circumcircle of a regular polygon is the circle that passes through at least one vertex
Z) all regular polygons are convex
23) Toss Up - Biology - Multiple Choice
In studies of trees, one finds just one leaf bud and one leaf at each node on a walnut twig. This arrangement of leaf bud and leaf is known as:
W) alternate
X) opposite
Y) whorled
Z) none of the above
23) Bonus - Biology - Multiple Choice
The complex of sugar polymers and proteins which are patchily distributed on the plasma membranes of animal cells is called
W) cellulose
X) chitin
Y) glyocalyx
Z) cytoskeleton
24) Toss Up - Chemistry - Multiple Choice
Which of the following is true of an oxidation reaction:
W) in an electrolytic cell, oxidation takes place at the cathode
X) in the following reaction, bromine is oxidized Br2 + 2e- ^ 2Br-
Y) in a chemical reaction, the substance that is being oxidized is also known as the reducing agent
Z) in a chemical reaction, the substance that is being oxidized is also known as the oxidizing agent
24) Bonus - Chemistry - Short Answer
Name any 5 of the 8 nonmetals that form homonuclear diatomic molecules:
ANSWER: (accept any 5) HYDROGEN, NITROGEN, OXYGEN, FLUORINE, CHLORINE, BROMINE, IODINE, ASTATINE (ACCEPT: Hz, N2, O2, F2, Cl2, Br2, I2, At2)25) Toss Up - Physics - Multiple Choice
Para-positronium is a form of positronium in which the spins of the electron and the positron are antiparallel such that they form a singlet state. The expected lifetime of the ground state form of this positronium is about
W) 100 picoseconds
X) 1 microsecond
Y) 10 milliseconds
Z) 100 seconds
25) Bonus - Physics - Short Answer
The ground state energy level in a simple atom of protium has a potential energy of -13.6 electron volts. Approximately what is the potential energy of the ground state of positronium?
ANSWER: -6.8 ELECTRON VOLTS