Earth Science
What gas is most directly responsible for the bends or decompression sickness that divers may experience?
NITROGEN
What is the MOST common term for the behavior of light where it appears to bend around small obstacles or the spreading out of waves as light passes through pinholes or slits?
DIFFRACTION
Find the mass of 1 mole of cuprous oxide, or Cu2O. Assume the atomic mass of copper is 64 and oxygen is 16.
144
What is the biological term most often used for the act of a cell engulfing?
PHAGOCYTOSIS
What is the most well-known asterism in Ursa Major?
BIG DIPPER
Identify each of the following 3 rocks, respectively, as igneous, metamorphic, or sedimentary: marble; pumice; conglomerate.
MARBLE = METAMORPHIC; PUMICE = IGNEOUS; CONGLOMERATE = SEDIMENTARY
What particle of an atom is most directly responsible for the emission of light when an atom is excited by electromagnetic radiation?
ELECTRON
What is the bond order between the 2 carbon atoms in acetylene?
3
What is the common name for the product of human lachrymal (read as: LACK-reh-mal) glands?
TEARS
Which one of the Gas Giant planets emits the LEAST amount of energy?
URANUS
Of the 3 basic types of magma on Earth, which one generally has the LOWEST gas content?
BASALTIC
By what factor will the gravitational attraction between two masses be multiplied, if the distance between their centers of mass remains the same, but the mass of one doubles?
2 TIMES
What is the most common term for the direct addition of water to an alkene (read as: al-KEEN) to make an alcohol?
HYDRATION
Name all of the following 4 substances that would typically be considered exocrine products: insulin; pepsin; hemoglobin; epinephrine
PEPSIN
What specific class of stars was discovered by Henrietta Leavitt to have special properties that allowed it to be used in measuring long astronomical distances?
CEPHEID VARIABLES
Of the 3 basic types of magma on Earth, which one generally has the LOWEST eruptive temperature?
RHYOLITIC
What is the ideal mechanical advantage of a wheel and axle, if the diameter of the wheel is 500 centimeters and the radius of the axle is 2.5 centimeters?
100
Using proper chemical nomenclature, finish balancing the following chemical reaction. Make sure to indicate the state of each substance, such as solid, liquid, aqueous, or gas: 3NaOH(aqueous) + H3PO4(aqueous) -> what?
Na3PO4(aqueous) + 3H2O(liquid)
Name all of the following 3 groups of organisms that generate ATP by chemiosmosis (read as: chem-ee-oz-MOE-sis): Cyanobacteria; plant cells; animal cells.
ALL
For someone standing at 43° north latitude, how many degrees above the horizon will the north celestial pole be?
43
In what layer of Earth’s atmosphere do most meteors experience the most heating?
MESOSPHERE
How many kilojoules of thermal energy, rounded to the first decimal place, must be lost from a 250-gram block of Teflon with a specific heat of 1 kilojoule per kilogram kelvin, to lower the block’s temperature from 125º C to 75º C?
12.5
Of the following 5 alkanes, which one has the LEAST combined strain energy from angle strain and torsional strain: [read slowly] cyclopropane; cyclobutane; cyclopentane; cyclohexane; cyclo-octane
CYCLOHEXANE
What reduced coenzyme donates its electrons to complex-one in the electron transport system?
NADH
If a star has a surface temperature of 3,000 degrees kelvin, a core temperature of 100 million Kelvin, and a luminosity of 2,000-times our Sun, choosing from upper right, upper left, lower left, and lower right, where on an H-R diagram would it most likely be found?
UPPER RIGHT