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BONUS
CHEMISTRY Multiple Choice | Converting carbon dioxide to carbon monoxide through reduction would be effective method for reducing harmful levels of atmospheric carbon dioxide. However, this conversion is very difficult for which of the following reasons?
W) There is a limited supply of rhenium in the world
X) Not all steps of the reduction have been completely determined
Y) The final step takes an extremely long time
Z) The carbon dioxide is too difficult to harness | W) THERE IS A LIMITED SUPPLY OF RHENIUM IN THE WORLD |
TOSS-UP
EARTH AND SPACE Multiple Choice | Compared to felsic igneous rocks, mafic igneous rocks contain greater amounts of which of the following elements?
W) Iron
X) Aluminum
Y) Potassium
Z) Silicon | W) IRON |
BONUS
EARTH AND SPACE Short Answer | Name the components that create the two distinct tails of a comet. | IONS AND DUST |
TOSS-UP
BIOLOGY Short Answer | What is the common name of the group of marine spiny-finned fish of the order Heterosomata, all of which, when adult, swim along the sea floor on one side of the body, which is highly compressed and has both eyes on the uppermost side? | FLATFISH |
BONUS
BIOLOGY Multiple Choice | Which of the following statements is NOT true about otters?
W) Newborn otters are taken care of by their fathers only
X) Their dens are called holts or couches
Y) They feed on fish, shellfish, amphibians and birds
Z) A male otter is called a dog | W) NEWBORN OTTERS ARE TAKEN CARE OF BY THEIR FATHERS ONLY |
TOSS-UP
EARTH AND SPACE Multiple Choice | Which of the following best describes where the salt
in ocean water comes from?
W) Melting of glacial ice
X) Weathering of continental rocks
Y) Decomposition of plants and animals
Z) Precipitation of salty rain | X) WEATHERING OF CONTINENTAL ROCKS |
BONUS
EARTH AND SPACE Multiple Choice | Cayes [KAYS] are small sandy islands formed on the
surface of coral reefs in tropical areas like the coast of Belize. The sand on these cayes is
primarily composed of which of the following?
W) Silicate
X) Calcium carbonate
Y) Suffide
Z) Halide | X) CALCIUM CARBONATE |
TOSS-UP
PHYSICS Multiple Choice | Which of the following cells cannot be recharged?
W) Dry
X) Wet
Y) Primary
Z) Secondary | Y) PRIMARY |
TOSS-UP
MATH Short Answer | What is \(x\) equal to in the following expression: \(\log{x}7=1\)[log base x of 7 equals 1]? | 7 |
TOSS-UP
CHEMISTRY Multiple Choice | When assigning electrons to subshells, which of the following subshells will be filled first?
W) 4f
X) 5s
Y) 5d
Z) 6s | X) 5s |
TOSS-UP
ENERGY Short Answer | What is the term for a device used to determine or measure the presence of electrostatic charges? | ELECTROSCOPE |
TOSS-UP
EARTH AND SPACE Multiple Choice | Which of the following layers of the atmosphere allows AM radio stations to transmit over great distances at night?
W) Ionosphere [eye-ON-uh-sfeer]
X) Stratosphere
Y) Thermosphere
Z) Troposphere | W) IONOSPHERE |
TOSS-UP
PHYSICS Short Answer | In 1868, observers of a solar eclipse first noticed a bright yellow spectral line. They theorized that this was due to a new element and gave it what sun-inspired name? | HELIUM |
BONUS
PHYSICS Multiple Choice | An electroscope is negatively charged, with the leaves at an angle of about 45\({}^{\circ}\). When a negatively charged rod is slowly brought near the plate of the electroscope, the leaves do which of the following?
W) Repel
X) Attract
Y) Repel then attract
Z) Fall to zero then repel | W) REPEL |
TOSS-UP
MATH Short Answer | W is one of the vertices of a polygon. If there are 8 diagonals of the polygon that contain W, how many sides does the polygon have? | 11 |
BONUS
MATH Short Answer | A fair standard six-sided die is rolled two times. What is the probability that the sum of the numbers on the two rolls will be greater than 9? | 1/6 |
TOSS-UP
CHEMISTRY Short Answer | What is the name of the bond linking each fatty acid to glycerol [GLIS-uh-rol] in a triglyceride? | ESTER |
TOSS-UP
ENERGY Multiple Choice | Which of the following particles has the least penetrating power?
W) Neutron
X) Alpha particle
Y) Beta particle
Z) Positron | X) ALPHA PARTICLE |
TOSS-UP
BIOLOGY Short Answer | Which gas was in short supply in the Earth's atmosphere prior to the evolution of the citric acid cycle? | OXYGEN |
TOSS-UP
EARTH AND SPACE Multiple Choice | Kilauea [kee-Iou-AY-ah] and Mauna Loa [MOU-nuh LOH-uh], are examples of which of the following types of volcanoes?
W) Shield
X) Composite
Y) Cinder cone
Z) Transform fault | W) SHIELD |
TOSS-UP
PHYSICS Short Answer | A lunar vehicle on Earth moves at 10 kilometers per hour. When it travels at the same speed on the Moon, what is its momentum in comparison to its momentum on Earth, assuming that the Moon's gravitational force is one fifth that of Earth's? | THE SAME (ACCEPT: EQUAL) |
BONUS
PHYSICS Short Answer | Coulomb's law states that an electric force between two charges is inversely proportional to the square of what quantity? | DISTANCE BETWEEN THEM (ACCEPT: THEIR SEPARATION, RADIAL DISTANCE BETWEEN THEM) |
TOSS-UP
MATH Multiple Choice | Which of the following numbers is NOT prime?
W) 107
X) 109
Y) 111
Z) 113 | Y) 111 |
BONUS
MATH Short Answer | Todd the Tortoise is 268 years old, while Sammy the Snail is 32 years old. How many years will it take for Todd's age to be exactly 5 times Sammy's age? | 2717) CHEMISTRY Short Answer What element has the following four characteristics: 1) it occurs naturally only in combination with other elements in minerals; 2) it is used primarily as a hardening agent in alloys; 3) its dust is highly toxic, and 4) it is an alkaline [AL-kuh-lyn] earth metal. |
## 18 BONUS
CHEMISTRY Short Answer | Identify all of the following four compounds that are ionic: sodium sulfate, methane, ammonium chloride, beryllium iodide. | 1 AND 3 (ACCEPT: SODIUM SULFATE AND AMMONIUM CHLORIDE) |
## 19 TOSS-UP
ENERGY Multiple Choice | Rectifiers are used in computers and other appliances to do which of the following?
W) Convert direct current to alternating current
X) Convert alternating current to direct current
Y) Provide a steady amount of power at all times
Z) Reduce the energy consumption of an appliance | X) CONVERT ALTERNATING CURRENT TO DIRECT CURRENT |
TOSS-UP
BIOLOGY Multiple Choice | Which of the following best describes why the xylem [ZY-luhm] is an important plant tissue?
W) It transports water and minerals from the roots to the leaves
X) It transports water and minerals from the leaves to the roots
Y) It is the best part of the plant to eat
Z) It gives a plant its strength to stand straight | W) IT TRANSPORTS WATER AND MINERALS FROM THE ROOTS TO THE LEAVES |
BONUS
BIOLOGY Multiple Choice | Your body has approximately one million B cells and ten million different T cells. A gram-negative bacterium enters your body and one of your B cells binds to the bacterium via the BCR recognizing the LPS. Which of the following will happen next?
W) The B cell will proliferate
X) The virus will enter the B cell
Y) Similar T cells will be destroyed
Z) The B cell will be destroyed | W) THE B CELL WILL PROLIFERATE |
TOSS-UP
EARTH AND SPACE Multiple Choice | Given the current climatic conditions on Earth, at which of the following locations would a glacier most likely form?
W) 0\({}^{\circ}\) latitude at an elevation of 6,000 meters
X) 15\({}^{\circ}\) N latitude at an elevation of 4,000 meters
Y) 30\({}^{\circ}\) N latitude at an elevation of 3,000 meters
Z) 45\({}^{\circ}\) N latitude at an elevation of 1,000 meters | W) 0\({}^{\circ}\) LATITUDE AT AN ELEVATION OF 6,000 METERS |
BONUS
EARTH AND SPACE Multiple Choice | The analysis of which of the following fossil types from ancient vertebrates provides important information about the diet and biota of ancient environments?
W) Tracks
X) Coprolite
Y) Burrows
Z) Fulgurite [FUHL-gyuh-ryt] | X) COPROLITE |
TOSS-UP
PHYSICS Short Answer | What is the SI unit of inductance? | HENRY |
TOSS-UP
MATH Short Answer | Give the coordinates of the point where the line \(3x+2y=18\) intersects the \(x\) axis. | (6, 0) |
TOSS-UP
CHEMISTRY Multiple Choice | Which of the following is NOT a buffering agent?
W) Magnesium oxide
X) Rubidium hydroxide
Y) Ammonia
Z) Monopotassium phosphate | X) RUBIDIUM HYDROXIDE |
TOSS-UP
BIOLOGY Short Answer | What is the common name of the unicellular organism that has the following characteristics: it has chloroplasts and can make its own food; it can also ingest food from its environment; it usually lives in ponds or puddles; it moves by a flagellum; it has an eyespot that detects light. | EUGLENA |
TOSS-UP
EARTH AND SPACE Multiple Choice | Which of the following phenomena are responsible for orange and red sunsets?
W) Dust particles in the atmosphere
X) Ice crystals in the atmosphere
Y) Water droplets in the atmosphere
Z) Water vapor in the atmosphere | W) DUST PARTICLES IN THE ATMOSPHERE |
TOSS-UP
EARTH AND SPACE Short Answer | What element is produced in a fusion of hydrogen within a star? | HELIUM |
BONUS
EARTH AND SPACE Multiple Choice | Which of the following statements best explains how conglomerates differ from breccias [BRECH-ee-uhs]?
W) Conglomerates are comprised of interlocking crystals rather than sediments
X) Breccias are comprised of less mature sediments
Y) Conglomerates are formed at higher elevations
Z) Breccias are formed through metamorphic processes | X) BRECCIAS ARE COMPRISED OF LESS MATURE SEDIMENTS |
TOSS-UP
BIOLOGY Short Answer | In eukaryotic cells, the citric acid cycle takes place in what cellular organelle? | MITOCHONDRIA |
BONUS
BIOLOGY Multiple Choice | Which of the following is NOT characteristic of eudicots [yoo-DY-kots]?
W) Flower parts in multiples of 4 or 5
X) Taproot
Y) Two cotyledons [Kot-I-EED-ns]
Z) Pollen granules with one opening | Z) POLLEN GRANULES WITH ONE OPENING |
TOSS-UP
CHEMISTRY Multiple Choice | Which of the following elements, in its gaseous state, has the greatest electron affinity?
W) Fluorine
X) Bromine
Y) Sulfur
Z) Chlorine | W) FLUORINE |
BONUS
CHEMISTRY Short Answer | What disaccharide [dy-SAK-uh-ryd] is composed of beta-D-galactose [guh-LAK-toS] in a beta-1,4 linkage with alpha-D-glucose? | LACTOSE |
TOSS-UP
MATH Multiple Choice | The equation -mx + 1 = 13 - 4(x + [negative m x plus 1 equals 13 minus 4 times the quantity x plus 3] is an identity if \(m\) equals which of the following?
W) -4
X) -1
Y) 1
Z) 4 | Z) 4 |
BONUS
MATH Multiple Choice | If f(x) = -2\(x\) + 8\(x\) - 4, which of the following is true?
W) \(f\) is not a one to one function
X) The graph of \(f\) opens upward
Y) The graph of \(f\) has no x-intercept
Z) The maximum value of f(x) is -4 | W) f!S NOT A ONE TO ONE FUNCTION |
TOSS-UP
PHYSICS Multiple Choice | The acceleration of an object that is in free fall in a vacuum is which of the following?
W) Proportional to the mass of the object
X) Proportional to the inverse of the mass of the object
Y) Independent of the mass of the object
Z) Equal to the product of force and mass | Y) INDEPENDENT OF THE MASS OF THE OBJECT |
TOSS-UP
EARTH AND SPACE Short Answer | What do scientists call the process by which trade winds in the Pacific weaken, allowing warmer water to move toward the west coast of South America? | EL NINO (ACCEPT: EL NINO SOUTHERN OSCILLATION OR ENSO) |
TOSS-UP
BIOLOGY Short Answer | The fossil record of European black bears provides evidence of adaptive selection. In a population of black bears, identify the specific type of adaptive selection which would allow the average size of European black bears to increase after periods of glaciation but later decrease in size as interglacial periods warmed. | DIRECTIONAL (DO NOT ACCEPT: DIVERSIFYING) |
TOSS-UP
ENERGY Multiple Choice | Which of the following terms would be used as a synonym for a building described with the term LEED?
W) Lead contaminated
X) Green
Y) Renewed
Z) Sanitized | X) GREEN |
TOSS-UP
CHEMISTRY Multiple Choice | Which of the following represents the enthalpy [EN-thal-pee] change that occurs to melt a solid at its melting point?
W) Heat of fusion
X) Heat of hydration
Y) Heat of liquidation
Z) Heat of vaporization | W) HEAT OF FUSION |
BONUS
CHEMISTRY Short Answer | A gaseous mixture of nitrogen, oxygen, and argon have molar fractions of 0.25, 0.65, and.010, respectively. What is the pressure in atmospheres of nitrogen if the total pressure of the mixture is 4.0 atmospheres? | 1.0 |
TOSS-UP
MATH Short Answer | What is the solution set of the inequality \((x-^{\,2}\leq 0\)[the quantity \(x\) minus one squared is less than or equal to zero]? | 1 |
BONUS
MATH Multiple Choice | If function \(f\) is defined by \(f(x)=(4x^{2}-12x)/(x^{2}-\)[If of \(x\) equals a fraction with numerator 4 x squared minus 12 x and denominator x squared minus 9], then at \(x=3\), which of the following is true?
W) The graph of \(f\) has a vertical asymptote
X) The graph of \(f\) has a hole on the \(x\) axis
Y) The graph of \(f\) has a hole at (3, Z) \(f(x)=0\) | Y) THE GRAPH OF \(F\) HAS A HOLE AT (3, 2) |
TOSS-UP
PHYSICS Multiple Choice | An object is suspended from a spring balance in an elevator. The reading of the balance is 200 newtons when the elevator is at rest. If the balance reading later is 190 newtons, which of the following best describes how the elevator could be moving at that time?
W) Downward at constant speed
X) Downward and increasing in speed
Y) Upward at constant speed
Z) Upward and increasing in speed | X) DOWNWARD AND INCREASING IN SPEED |
BONUS
PHYSICS Multiple Choice | A small object is 10 centimeters in front of a plane mirror.
Standing 20 centimeters behind the object, 30 centimeters from the mirror, at what distance in centimeters must you focus your eyes to see the object's mirror image clearly?
W) 20
X) 30
Y) 40
Z) 50 | Y) 40 |
TOSS-UP
EARTH AND SPACE Short Answer | What is the boundary between the troposphere and the stratosphere called? | TROPOPAUSE |
BONUS
EARTH AND SPACE Multiple Choice | Which of the following stellar reactions releases the most energy?
W) Hydrogen to helium
X) Helium to oxygen
Y) Oxygen to silicon
Z) Silicon to iron | W) HYDROGEN TO HELIUM |
TOSS-UP
BIOLOGY Multiple Choice | Which of the following organ systems is responsible for the secretion of hormones?
W) Endocrine
X) Reproductive
Y) Circulatory
Z) Immune | W) ENDOCRINE |
BONUS
BIOLOGY Short Answer | In an area originally devoid of life, what is the name for the first community to become established? | PIONEER (DO NOT ACCEPT: FOUNDER) |
TOSS-UP
ENERGY Multiple Choice | Which of the following sectors in the U.S. uses the most petroleum?
W) Industry
X) Residential
Y) Transportation
Z) Construction | Y) TRANSPORTATION |
BONUS
ENERGY Multiple Choice | Which of the following statements is true about the relationship between a BTU and a kilocalorie?
W) A BTU has about one tenth the energy of a kilocalorie
X) A BTU has about one fourth the energy of a kilocalorie
Y) A BTU has about the same amount of energy as a kilocalorie
Z) A BTU has about 251 times the energy of a kilocalorie | X) A BTU HAS ABOUT ONE FOWTH THE ENERGY OF A KILOCALORIE |
TOSS-UP
CHEMISTRY Multiple Choice | Ethylene [ETH-uh-teen] has which of the following?
W) 2 pi bonds
X) 2 sigma bonds and 1 pi bond
Y) 3 sigma bonds
Z) 5 sigma bonds and 1 pi bond | Z) 5 SIGMA BONDS AND 1 PI BOND |
TOSS-UP
MATH Multiple Choice | The lines defined by \(y=2x\) and \(2y=\)-\(x\) are which of the following?
W) Parallel
X) Perpendicular
Y) Horizontal
Z) Vertical | X) PERPENDICULAR |
TOSS-UP
PHYSICS Multiple Choice | Which of the following products has the same units as power?
W) Work and time
X) Force and distance
Y) Force and velocity
Z) Force and acceleration | Y) FORCE AND VELOCITY |
TOSS-UP
EARTH AND SPACE Short Answer | Which form of electromagnetic radiation does NASA primarily use to transfer information from spacecraft back to Earth? | RADIO |
TOSS-UP
BIOLOGY Multiple Choice | Which of the following statements is NOT true about lichen [LY-kuhn]?
W) It is a composite organism
X) It is composed of algae and moss
Y) It is hardy and slow-growing
Z) It usually reproduces asexually | X) IT IS COMPOSED OF ALGAE AND MOSS |
TOSS-UP
ENERGY Short Answer | What is the term for power that is consumed by electronics when they are not in use? | STANDBY POWER (ACCEPT: VAMPIRE POWER, VAMPIRE DRAW, PHANTOM LOAD, PHANTOM POWER, or LEAKING ELECTRICITY) |
TOSS-UP
CHEMISTRY Short Answer | Give the name of the periodic table group that contains elements that are silver in color, soft, and react explosively with water. | ALKALI METALS (ACCEPT: GROUP 1 OR GROUP 1A) |
TOSS-UP
MATH Short Answer | What is the value of i\({}^{\text{4}}\)? | 1 |
TOSS-UP
PHYSICS Multiple Choice | A girl runs up one flight of steps. Which of the following factors does NOT affect the work done by the girl against gravity?
W) Her mass
X) Height of the flight of steps
Y) Her speed
Z) Acceleration due to gravity | Y) HER SPEED |
TOSS-UP
EARTH AND SPACE Short Answer | Japan consists of a volcanic island arc and trench system. This is indicative of which type of tectonic plate boundary? | CONVERGENT |
TOSS-UP
BIOLOGY Multiple Choice | Which of the following statements about the lone star tick is true?
W) It only lives in Texas
X) It transmits Lyme disease
Y) It feeds on humans, dogs, and cats
Z) It is relatively passive | Y) IT FEEDS ON HUMANS, DOGS, AND CATS |
TOSS-UP
BIOLOGY Short Answer | Indicate the name of the common and treatable condition that occurs when a person's eyeball is longer than normal and the lens focuses distant objects in the front of the retina. | MVOPIA (ACCEPT: NEARSIGHTEDNESS) |
TOSS-UP
PHYSICS Short Answer | What type of particle mediates the strong nuclear force? | GLUON |
TOSS-UP
CHEMISTRY Short Answer | What is the standard molar enthalpy of formation, in kilojoules per mole, for hydrogen gas? | 0 |
TOSS-UP
EARTH AND SPACE Multiple Choice | Liquid water can store more heat energy than an equal amount of any other naturally occurring substance because liquid water has which of the following characteristics?
W) It expands when cooled
X) It has its greatest density at 4\({}^{\circ}\) Celsius
Y) It has higher specific heat
Z) It can be changed into a solid or a gas | Y) IT HAS HIGHER SPECIFIC HEAT |
TOSS-UP
ENERGY Multiple Choice | Which of the following will NOT usually increase the gas mileage of gasoline cars manufactured since the early 1980s?
W) Driving at or below 60 miles per hour on the freeway
X) Using cruise control
Y) Replacing clogged air filters
Z) Using overdrive gears | Y) REPLACING CLOGGED AIR FILTERS |
TOSS-UP
BIOLOGY Multiple Choice | As could be detected clinically during a functional magnetic resonance image, which of the following parts of the brain would be activated when a person is faced with a fearful situation?
W) Neocortex
X) Hippocampus [hip-uh-KAM-puhs]
Y) Amygdala [uh-MIG-duh-luh]
Z) Superior colliculi [ko-LI-kyoo-lee] | Y) AMYGDALA |
BONUS
BIOLOGY Multiple Choice | Indicate where action potentials are generated in a myelinated [MY-uh-luh-may-tid] post-synaptic cell.
W) Axon hillock
X) Dendrites
Y) Neuron nucleus
Z) Schwann cell | W) AXON HILLOCK |
TOSS-UP
PHYSICS Short Answer | If a 0.20 kilogram apple fell 7.0 meters, hitting Newton's head, given acceleration due to gravity as 10 meters per second squared, what was the change in potential energy in joules? | 14 |
BONUS
PHYSICS Short Answer | Taking the acceleration due to gravity to be 10 meters per second squared, what kinetic coefficient of friction will exert a force of 20 newtons on a 4 kilogram object as it moves over a horizontal surface? | 0.5 |
TOSS-UP
CHEMISTRY Short Answer | What subshell is defined by an electron with quantum numbers n = 3 and \(l=2\)[ell equals 2]? | 3d |
TOSS-UP
EARTH AND SPACE Short Answer | Which planet takes more time to complete one rotation on its axis than to complete one revolution around the Sun? | VENUS |
TOSS-UP
MATH Short Answer | How many terms does the binomial expansion of \((x^{2}+2y^{3})^{20}\)[open parenthesis x squared plus 2 y cubed close parenthesis to the power of 20] contain? | 21 |
BONUS
MATH Multiple Choice | Which of the following functions has an oblique asymptote?
W) \(f(x)=(x^{5}+/(x^{4}+3x^{2}+\)[f of x equals open parenthesis x to the fifth plus 1 close parenthesis over open parenthesis x to the fourth plus 3 x squared plus 2 close parenthesis]
X) \(f(x)=(x^{2}+/(x^{3}\cdot x^{2}\cdot \)[f of x equals open parenthesis x squared plus 1 close parenthesis over open parenthesis x cubed minus x squared minus 1 close parenthesis]
Y) \(f(x)=(4x^{2}+x+/x^{2}\)[f of x equals open parenthesis 4 x squared plus x plus 1 close parenthesis over x squared]
Z) \(f(x)=x^{5}/(x^{2}\cdot \)[f of x equals x to the fifth over open parenthesis x squared minus 1 close parenthesis] | W) \(f(x)=(x^{5}+1)/(x^{4}+3x^{2}+2)\) |
TOSS-UP
ENERGY Short Answer | What is the term for a facility that integrates biomass conversion processes and equipment to produce fuels, power, and chemicals from biomass? | BIOREFINERY |
BONUS
ENERGY Short Answer | Name all of the following five products that have been made with green algae: biodiesel, methane, ethanol, gasoline, biogasline. | 1, 2, 3, 5 (ACCEPT: BIODIESEL, METHANE, ETHANOL, BIOGASOLINE) |
TOSS-UP
MATH Short Answer | Given f(\(x\)) = \(x+1\) and g(\(x\)) = \(3x\), what is f(\(g(x)\)) [f of g of x]? | \(3x+1\) |
TOSS-UP
EARTH AND SPACE Multiple Choice | Which of the following is the name given to soil that forms over millions of years from weathering of crystalline bedrock?
W) Advanced
X) Mature
Y) Transported
Z) Parent | X) MATURE |
TOSS-UP
BIOLOGY Multiple Choice | Which of the following senses is most important to the behavior of most spiders?
W) Audition
X) Olfaction
Y) Mechanoreception
Z) Polarized light vision | Y) MECHANORECEPTION |
TOSS-UP
PHYSICS Short Answer | A current of 4 milliamperes flows when a resistor is connected across a 12-volt battery. What is the resistance of this resistor in ohms? | 3000 |
TOSS-UP
CHEMISTRY Multiple Choice | Which of the following molecules is an alkane?
W) C\({}{4}\)H\({}{8}\)
X) C\({}{3}\)H\({}{8}\)
Y) C\({}{2}\)H\({}{2}\)
Z) C\({}{2}\)H\({}{5}\)OH | X) C\({}{3}\)H\({}{8}\) |
TOSS-UP
EARTH AND SPACE Multiple Choice | The metamorphism of a sandstone rock will cause the rock to do which of the following?
W) Melt
X) Contain more fossils
Y) Become denser
Z) Occupy a greater volume | Y) BECOME DENSER |
TOSS-UP
MATH Multiple Choice | Which of the following is an identity?
W) \(\cos(2x)=2\)\(\cos(x)\)[cosine of 2x equals 2 cosine of x]
X) \(\sin(2x)=2\)\(\sin(x)\)\(\cos(x)\)[sine of 2 x equals 2 sine of x cosine of x]
Y) \(\cos(x+y)=\cos(x)+\cos(y)\)[cosine of the quantity x plus y equals cosine of x plus cosine of y]
Z) \(\sin(x\) - \(y)=\sin(x)\) - \(\sin(y)\)[sine of the quantity x minus y equals sine of x minus sine of y] | X) \(\sin(2x)=2\)\(\sin(x)\)\(\cos(x)\) |
BONUS
MATH Short Answer | For Valentine's Day, Adam bought several dozen roses and several dozen carnations. The roses cost $15 per dozen, and the carnations cost $8 per dozen. Adam bought a total of 17 dozen flowers and paid a total of $192. How many dozen roses did he buy? | 8 |
TOSS-UP
ENERGY Short Answer | What is the term for the process during the thermodynamic cycle in which a fluid or gas changes volume or pressure without any heat exchange between it and its surrounding environment? | ADIABATIC |
BONUS
ENERGY Multiple Choice | Which of the following statements about carbon sequestration is false?
W) Costs of carbon sequestration programs increase due to integration
X) Iron fertilization in the ocean encourages phytoplankton growth, which removes additional carbon from the atmosphere
Y) The use of cover crops between planting seasons could remove carbon from the atmosphere
Z) Peat bogs are excellent for carbon storage | W) COSTS OF CARBON SEQUESTRATION PROGRAMS INCREASE DUE TO INTEGRATION |
TOSS-UP
BIOLOGY Multiple Choice | Which of the following animal species is usually NOT considered gregarious [gri-GAIR-ee-uhs]?
W) Leopards
X) Harbor seals
Y) Brown-headed cowbirds
Z) Nile crocodiles | W) LEOPARDS |
BONUS
BIOLOGY Short Answer | What name is used both for the breathing aperture [AP-er-cher] on arthropods [AHR-thruh-pods] and the nasal opening of whales? | SPIRACLES (ACCEPT: SPIRACULUM) |
TOSS-UP
PHYSICS Multiple Choice | A wheel with moment of inertia \(m\) is mounted horizontally to a frictionless axle. At time \(t\) = 0 the initial angular speed is \(\omega\). A constant torque \(Q\) is applied to the wheel, bringing it to a stop in time \(t\). Which of the following is the average power required to dissipate the wheel's energy in this time?
W) m\(\omega\)/2t
X) m\(\omega\)/2t
Y) m\(\omega\)/t
Z) m\(\omega\)/Q | X) m\(\omega\)/2t |
BONUS
PHYSICS Short Answer | A pole vaulter wishes to clear a bar 5 meters above her center of mass. Given an ideal pole and launch, assuming her mass is uniformly distributed, and given 10 meters per second squared as the acceleration due to gravity, how fast must she run in meters per second? | 10 |
TOSS-UP
CHEMISTRY Multiple Choice | Which of the following chemicals is least likely to hydrogen bond with water?
W) Benzene
X) Water
Y) Ammonia
Z) Formic acid | W) BENZENE |
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