MS Sample Set 13, Round 7 from NSB
What adjective is used to indicate a star system that consists of two stars orbiting each other?
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Rank the following three solar system objects in terms of increasing number of known satellites: 1) Mars; 2) Jupiter; 3) Neptune.
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What is the general term for animals that lack a backbone?
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What is the term for cells that contain membrane-bound nuclei?
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Giving your answer as a decimal, decreasing a number by 37% is equivalent to multiplying it by what?
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The center of a circle is located at (5, –5). If the point (11, 9) lies on the circle, what is the circle’s diameter?
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Scientists at Pacific Northwest National Lab are researching the production of biofuel from marine kelp biomass. What specific biofuel, which today is made from corn and sugar cane, are they seeking to produce?
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Scientists from Lawrence Berkeley National Lab participated in a collaboration to identify the capsid of what type of infectious agent?
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When hydrocarbons are burned with insufficient oxygen, what toxic byproduct is formed?
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Identify all of the following three molecules that are diatomic: 1) Chlorine; 2) Water; 3) Hydrochloric acid.
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What are the two most abundant gases by volume in Earth’s atmosphere?
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Identify all of the following three geologic terms that describe rhyolite: 1) Extrusive; 2) Mafic; 3) Ultramafic.
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What is the slope of the line through (4, –6) and (–7, 3)?
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What is the volume of a rectangular pyramid with base dimensions 14 and 9 and height 15?
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Models are frequently employed in science. Which of the following is not true of scientific models? W) They cannot be changed once formalized X) They are patterned after items or events in the natural world Y) They facilitate communication Z) They offer a means of testing predictions
W: W) They cannot be changed once formalized
X: X) They are patterned after items or events in the natural world
Y: Y) They facilitate communication
Z: Z) They offer a means of testing predictions
Answer: W) W) They cannot be changed once formalized
Which of the following types of light has the longest wavelength? W) Infrared X) X-rays Y) Orange light Z) Blue light
W: W) Infrared
X: X) X-rays
Y: Y) Orange light
Z: Z) Blue light
Answer: W) W) Infrared
Researchers at Brookhaven National Lab are using the Relativistic Heavy Ion Collider to study the state of the universe milliseconds after what event?
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Scientists at Los Alamos National Lab are studying upwelling in the Southern Ocean using a combination of seawater measurements and modeling. Upwelling is best described as which of the following rising to the surface? W) Cold nutrient-poor waters X) Cold nutrient-rich waters Y) Hot nutrient-poor waters Z) Hot nutrient-rich waters
W: W) Cold nutrient-poor waters
X: X) Cold nutrient-rich waters
Y: Y) Hot nutrient-poor waters
Z: Z) Hot nutrient-rich waters
Answer: X) X) Cold nutrient-rich waters
What constellation contains the north celestial pole?
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What is the term for the point on an orbit about the Sun that is furthest from the Sun?
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You catch a common cold from one of your Science Bowl teammates. Which of the following would be LEAST effective for treating your symptoms? W) Bed rest X) Antibiotics Y) Acetaminophen Z) Hydration
W: W) Bed rest
X: X) Antibiotics
Y: Y) Acetaminophen
Z: Z) Hydration
Answer: X) X) Antibiotics
Which of the following is likely to occur when applying water or heat from an iron to reversibly straighten hair? W) Disruption of keratin hydrogen bonds X) Denaturation of collagen proteins Y) Altered peptide bond synthesis Z) Positional isomerization of keratin chains
W: W) Disruption of keratin hydrogen bonds
X: X) Denaturation of collagen proteins
Y: Y) Altered peptide bond synthesis
Z: Z) Positional isomerization of keratin chains
Answer: W) W) Disruption of keratin hydrogen bonds
What is $75^2$?
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Jen takes 9 hours to clean a room. Ken can clean the same room in 13 hours. Expressing your answer as a decimal to the nearest tenth of an hour, how long would it take them if they worked together?
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Thermal imaging is being used by scientists at the Pacific Northwest National Laboratory to track bats and birds near windfarms. Thermal imaging captures light from what part of the electromagnetic spectrum?
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Researchers at Thomas Jefferson National Accelerator Facility have recently upgraded the Continuous Electron Beam Accelerator Facility, or CEBAF. Scientists are using CEBAF in hopes of producing new particles called hybrid mesons and studying the force that holds them together. What is the term for this force?
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Which of the following is an example of a carbohydrate? W) Glucose X) Stearate Y) Cholesterol Z) Glycine
W: W) Glucose
X: X) Stearate
Y: Y) Cholesterol
Z: Z) Glycine
Answer: W) W) Glucose
The Cambrian explosion was an example of what process, in which rapid speciation results in the occupation of several previously-empty niches?
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What is the term for the aspect of a redox reaction that results in a net loss of electrons?
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Which of the following species could most easily lose an electron? W) Ar X) Mg²⁺ Y) O²⁻ Z) K
W: W) Ar
X: X) Mg²⁺
Y: Y) O²⁻
Z: Z) K
Answer: Z) Z) K
What is the product of the two binomials $x + 5$ and $x - 3$?
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To the nearest integer, what is 113 decreased by 27%?
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Within the land plants, which of the following groups has the greatest number of species? W) Flowering plants X) Pine trees Y) Ferns Z) Mosses
W: W) Flowering plants
X: X) Pine trees
Y: Y) Ferns
Z: Z) Mosses
Answer: W) W) Flowering plants
Identify all of the following three factors that are examples of density-dependent limiting factors: 1) Disease; 2) Predation; 3) Natural disasters.
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Accretion of astronomical objects is driven by what fundamental force?
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What is the term used for an impermeable layer that inhibits the flow of groundwater?
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What is the degree measure of an angle that is complementary to a 32-degree angle?
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A sequence has first term 2, and each term after the first is one more than 3 times the previous term. What is the seventh term?
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If you break a bar magnet with a north pole and a south pole in half between the poles, which of the following will result? W) One north magnet and one south magnet X) Two demagnetized objects Y) Randomly magnetized objects Z) Two smaller magnets, each with a north and south pole
W: W) One north magnet and one south magnet
X: X) Two demagnetized objects
Y: Y) Randomly magnetized objects
Z: Z) Two smaller magnets, each with a north and south pole
Answer: Z) Z) Two smaller magnets, each with a north and south pole
Identify all of the following three statements that are true of BOTH gravitational forces and electromagnetic forces: 1) They decrease with distance squared; 2) They can be shielded by oppositely-charged bodies; 3) They are always attractive forces.
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What astronomer was the first to observe that the line between a planet and the Sun sweeps out a constant area in a given amount of time?
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Identify all of the following three characteristics that are unique to Earth among the terrestrial planets: 1) Presence of a natural satellite; 2) Abundant atmospheric oxygen; 3) Presence of seasons.
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Organisms in the phylum Sarcodina use cytoplasmic projections to move around and consume food. What is the term for these projections?
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In a group of pea plants, the tall trait is dominant over the short trait in a Mendelian manner. If two heterozygous plants breed and produce 24 offspring, what is the expected value of the number of tall plants within the offspring?
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You would like to convert your weight in pounds into an SI unit that measures the same quantity. What SI derived unit is most appropriate?
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A forklift lifted a 450-newton mass 8 meters up into the air over the course of 6 seconds. How much power, in watts, did it deliver over this time period?
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