HS Sample Set 3, Round 3 from NSB
The slope of a velocity versus time graph represents: W) acceleration X) velocity Y) position Z) displacement
W: W) acceleration
X: X) velocity
Y: Y) position
Z: Z) displacement
Answer: W) W) acceleration
Under which of the following conditions is the average velocity equal to the average of an object’s initial and final velocity: W) always X) never Y) only when the acceleration changes Z) only when the acceleration is constant
W: W) always
X: X) never
Y: Y) only when the acceleration changes
Z: Z) only when the acceleration is constant
Answer: Z) Z) only when the acceleration is constant
Which of the following is an EXTENSIVE property of matter: W) temperature X) density Y) mass Z) viscosity
W: W) temperature
X: X) density
Y: Y) mass
Z: Z) viscosity
Answer: Y) Y) mass
What is the name for the phenomenon that occurs when a light beam becomes visible after passing through a colloid, an example of which is a beam of light passing through fog at night?
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How many autosomes are in a normal nucleated human nerve cell in G-zero of the cell cycle?
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Which of the following is NOT true of the human body: W) there are substantial numbers of lymph nodes in the wall of the large intestine X) veins have comparatively thick walls with more muscle than arteries Y) there are two layers of smooth muscle in the walls of the small intestine Z) the small intestine is longer than the large intestine
W: W) there are substantial numbers of lymph nodes in the wall of the large intestine
X: X) veins have comparatively thick walls with more muscle than arteries
Y: Y) there are two layers of smooth muscle in the walls of the small intestine
Z: Z) the small intestine is longer than the large intestine
Answer: X) X) veins have comparatively thick walls with more muscle than arteries
What is the side of a square, in centimeters to the nearest whole number, given that its diagonal is 16 centimeters?
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Solve the following equation for x: –10 |x + 2| = –50
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What is the percent relative humidity if the vapor content is one-half the amount of vapor the mass of air can hold?
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Which of the following MOST directly modulates the intensity of incoming solar radiation through the course of a year: W) the eccentricity of Earth’s orbit X) the time for 1 orbit of Earth around the Sun Y) Earth’s rapid rotation about its axis Z) the tilt of Earth’s axis
W: W) the eccentricity of Earth’s orbit
X: X) the time for 1 orbit of Earth around the Sun
Y: Y) Earth’s rapid rotation about its axis
Z: Z) the tilt of Earth’s axis
Answer: Z) Z) the tilt of Earth’s axis
Which of the following is closest to the conversion of 900 millibars into atmospheres: W) 0.09 X) 0.9 Y) 9.0 Z) 90.0
W: W) 0.09
X: X) 0.9
Y: Y) 9.0
Z: Z) 90.0
Answer: X) X) 0.9
Convert 2,000 meters per second into kilometers per hour:
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At about 10 PM in late summer of 2006, an observer at about 35° north latitude would most likely see the stars Altair, Deneb and Vega in which of the following places in the sky: W) low in the east X) low in the west Y) about half way up in the northern sky Z) almost directly overhead
W: W) low in the east
X: X) low in the west
Y: Y) about half way up in the northern sky
Z: Z) almost directly overhead
Answer: Z) Z) almost directly overhead
What is the most common astronomical term for the interval of time between two successive passages of the Sun through the vernal equinox?
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Stories have been told about opera singers breaking crystal glass by singing a certain tone loud enough. What is the most common term for the property that would account for this happening?
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What is the wavelength, in meters, of a sound wave that has a frequency of 600 hertz and a speed in a certain medium of 360 meters per second?
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Which of the following techniques employs a moving phase and a stationary phase to separate components of a mixture: W) filtration X) centrifugation Y) distillation Z) chromatography
W: W) filtration
X: X) centrifugation
Y: Y) distillation
Z: Z) chromatography
Answer: Z) Z) chromatography
Which of the following would you expect to have an electron affinity of zero: W) chlorine X) carbon Y) hydrogen Z) helium
W: W) chlorine
X: X) carbon
Y: Y) hydrogen
Z: Z) helium
Answer: Z) Z) helium
What specific part of the human brain has the most influence on heart rate, sleep, body temperature, and metabolism, and is a large part of the ventral portion of the diencephalon: W) hypothalamus X) cerebellum Y) pituitary Z) sella turcica
W: W) hypothalamus
X: X) cerebellum
Y: Y) pituitary
Z: Z) sella turcica
Answer: W) W) hypothalamus
Name all of the following 5 muscles that are NOT part of the human rotator cuff: 1) supraspinatus; 2) infraspinatus; 3) subscapularis; 4) teres minor; 5) latissimus dorsi
Choices:
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Solve the following inequality for x: x² < 3x
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What is the least common multiple of the following 4 numbers: 12, 15, 16, 20
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What is the specific name for the tides that occur during the first and third-quarter phases of the Moon and have the smallest range?
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Typically, thin veils or sheets of white fibrous clouds composed entirely of ice crystals which can sometimes cover the whole sky are called: W) alto-cumulus X) cirro-stratus Y) nimbo-stratus Z) alto-stratus
W: W) alto-cumulus
X: X) cirro-stratus
Y: Y) nimbo-stratus
Z: Z) alto-stratus
Answer: X) X) cirro-stratus
Suppose you measured the voltage of a fully-charged 12-volt battery and you get 3 identical results of 10.45 volts. Which of the following BEST describes your data: W) precise but not accurate X) accurate but not precise Y) both accurate and precise Z) neither accurate nor precise
W: W) precise but not accurate
X: X) accurate but not precise
Y: Y) both accurate and precise
Z: Z) neither accurate nor precise
Answer: W) W) precise but not accurate
Giving your answer in proper scientific notation, convert 100 millimeters into kilometers:
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Which of the following can you estimate BEST if you know the color of a star: W) luminosity X) elemental makeup Y) temperature Z) mass
W: W) luminosity
X: X) elemental makeup
Y: Y) temperature
Z: Z) mass
Answer: Y) Y) temperature
Which of the following is closest to the maximum apparent brightness of the brightest star in the night sky from anywhere on Earth: W) –15 X) –1.5 Y) 4.5 Z) 6
W: W) –15
X: X) –1.5
Y: Y) 4.5
Z: Z) 6
Answer: X) X) –1.5
The area under the curve of a velocity versus time graph represents: W) acceleration X) velocity Y) displacement Z) position
W: W) acceleration
X: X) velocity
Y: Y) displacement
Z: Z) position
Answer: Y) Y) displacement
Which of the following is NOT true: W) a spring scale can be used to indirectly measure acceleration X) momentum is a vector Y) impulse is a vector Z) a change in direction of an object’s motion cannot affect its momentum
W: W) a spring scale can be used to indirectly measure acceleration
X: X) momentum is a vector
Y: Y) impulse is a vector
Z: Z) a change in direction of an object’s motion cannot affect its momentum
Answer: Z) Z) a change in direction of an object’s motion cannot affect its momentum
What is the name for the voltaic cells in which the reactants are continuously supplied to the cell and the products are continuously removed?
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A Lewis base is defined as any species that does which of the following in a chemical reaction: W) donates a proton X) accepts a proton Y) donates a pair of electrons Z) accepts a pair of electrons
W: W) donates a proton
X: X) accepts a proton
Y: Y) donates a pair of electrons
Z: Z) accepts a pair of electrons
Answer: Y) Y) donates a pair of electrons
What is the area of the human brain that functions to allow the two hemispheres to communicate?
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Myelination of nerves is an adaptation to:
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In a Venn diagram, what is the most appropriate name of the rectangle that contains the circles that represent the subsets?
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How many different letter arrangements are possible with the six letters in the word ‘SECOND’?
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Which of the following is a rock that is commonly made of microscopic shells: W) limestone X) schist Y) shale Z) quartzite
W: W) limestone
X: X) schist
Y: Y) shale
Z: Z) quartzite
Answer: W) W) limestone
In what Era of the geological time scale did mammals and grasses become abundant?
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What technology used to transmit digital information specifically takes advantage of the property of light called total internal reflection?
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What is the generic name for the trade-named drug Tylenol?
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If a stargazer in Vermont during the midnight April sky follows the pointer stars of the Big Dipper about 35° in the opposite direction of Polaris, which one of the following constellations will she most likely encounter: Bootes; Libra; Canus Major; Leo; Lepus?
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To an observer on the Moon, in what phase would the Earth appear when an observer on Earth saw the Moon in its 3rd quarter?
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What is the mass, in kilograms, of a 5-kilogram rock on a planet with a gravitational acceleration one-half that of the Earth’s?
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What is the specific gravity, to the first decimal place, of a cubic foot of metal that has a density of 188 pounds per cubic foot if water has a density of 62.4 pounds per cubic foot?
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Which of the following is NOT generally true regarding trends for the representative elements in the Periodic Table: W) nonmetals predominate the periodic table X) metallic character increases from top to bottom Y) nonmetallic character increases from left to right Z) atomic radii increases from top to bottom
W: W) nonmetals predominate the periodic table
X: X) metallic character increases from top to bottom
Y: Y) nonmetallic character increases from left to right
Z: Z) atomic radii increases from top to bottom
Answer: W) W) nonmetals predominate the periodic table
Which one of the following atoms can violate the octet rule with more than 8 electrons: O; F; Cl; N; C?
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What substance converts pepsinogen into its active form in the human stomach?
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What specific cells of the human stomach secrete pepsinogen?
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Boyle’s gas law concerns which of the following two variables: W) volume and pressure X) volume and temperature Y) pressure and temperature Z) pressure and moles
W: W) volume and pressure
X: X) volume and temperature
Y: Y) pressure and temperature
Z: Z) pressure and moles
Answer: W) W) volume and pressure
What mass of sodium hydroxide, in grams, would contain 40 grams of oxygen?
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