Round #7 Flashcards
1) Earth and Space – Short Answer What adjective is used to indicate a star system that
consists of two stars orbiting each other?
ANSWER: BINARY
1) Earth and Space – Short Answer Rank the following three solar system objects in terms of
increasing number of known satellites: 1) Mars; 2) Jupiter; 3) Neptune.
ANSWER: 1, 3, 2
2) Life Science – Short Answer What is the general term for animals that lack a backbone?
ANSWER: INVERTEBRATES
2) Life Science – Short Answer What is the term for cells that contain membrane-bound
nuclei?
ANSWER: EUKARYOTES
3) Math – Short Answer Giving your answer as a decimal, decreasing a number by 37% is
equivalent to multiplying it by what?
ANSWER: 0.63 (ACCEPT: .63)
3) Math – Short Answer 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?
ANSWER: 4√58
4) Energy – Short Answer 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?
ANSWER: ETHANOL (ACCEPT: BIOETHANOL)
4) Energy – Short Answer Scientists from Lawrence Berkeley National Lab participated in a
collaboration to identify the capsid of what type of infectious agent?
ANSWER: VIRUS
5) Physical Science – Short Answer When hydrocarbons are burned with insufficient oxygen,
what toxic byproduct is formed?
ANSWER: CARBON MONOXIDE
5) Physical Science – Short Answer Identify all of the following three molecules that are
diatomic: 1) Chlorine; 2) Water; 3) Hydrochloric acid.
ANSWER: 1, 3
6) Earth and Space – Short Answer What are the two most abundant gases by volume in
Earth’s atmosphere?
ANSWER: NITROGEN AND OXYGEN
6) Earth and Space – Short Answer Identify all of the following three geologic terms that
describe rhyolite: 1) Extrusive; 2) Mafic [MAF-ik]; 3) Ultramafic.
ANSWER: 1
7) Math – Short Answer What is the slope of the line through (4, –6) and (–7, 3)?
ANSWER: –9/11
7) Math – Short Answer What is the volume of a rectangular pyramid with base dimensions
14 and 9 and height 15?
ANSWER: 630
8) Physical Science – Multiple Choice 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
ANSWER: W) THEY CANNOT BE CHANGED ONCE FORMALIZED
8) Physical Science – Multiple Choice Which of the following types of light has the longest
wavelength?
W) Infrared
X) X-rays
Y) Orange light
Z) Blue light
ANSWER: W) INFRARED
9) Energy – Short Answer Researchers at Brookhaven National Lab are using the Relativistic
Heavy Ion Collider to study the state of the universe milliseconds after what event?
ANSWER: BIG BANG
9) Energy – Multiple Choice 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
ANSWER: X) COLD NUTRIENT-RICH WATERS
10) Earth and Space – Short Answer What constellation contains the north celestial pole?
ANSWER: URSA MINOR (DO NOT ACCEPT: LITTLE DIPPER, LITTLE BEAR)
10) Earth and Space – Short Answer What is the term for the point on an orbit about the Sun
that is furthest from the Sun?
ANSWER: APHELION [ap-HEEL-ee-un]
11) Life Science – Multiple Choice 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 [ah-see-tah-MIN-uh-fen]
Z) Hydration
ANSWER: X) ANTIBIOTICS
11) Life Science – Multiple Choice 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 [eye-saw-mor-eyes-AY-shun] of keratin chains
ANSWER: W) DISRUPTION OF KERATIN HYDROGEN BONDS
12) Math – Short Answer What is 75 squared?
ANSWER: 5625
12) Math – Short Answer 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?
ANSWER: 5.3
13) Energy – Short Answer 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?
ANSWER: INFRARED
13) Energy – Short Answer 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?
ANSWER: STRONG NUCLEAR FORCE (ACCEPT: STRONG FORCE, STRONG)
14) Life Science – Multiple Choice Which of the following is an example of a carbohydrate?
W) Glucose
X) Stearate
Y) Cholesterol
Z) Glycine
ANSWER: W) GLUCOSE
14) Life Science – Short Answer The Cambrian explosion was an example of what process, in
which rapid speciation results in the occupation of several previously-empty niches?
ANSWER: ADAPTIVE RADIATION
15) Physical Science – Short Answer What is the term for the aspect of a redox reaction that
results in a net loss of electrons?
ANSWER: OXIDATION
15) Physical Science – Multiple Choice Which of the following species could most easily lose
an electron?
W) Ar
X) Mg2+
Y) O2– [Oh two-minus]
Z) K
ANSWER: Z) K
16) Math – Short Answer What is the product of the two binomials x + 5 and x – 3?
ANSWER: x2 + 2x – 15
16) Math – Short Answer To the nearest integer, what is 113 decreased by 27%?
ANSWER: 82
17) Life Science – Multiple Choice 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
ANSWER: W) FLOWERING PLANTS
17) Life Science – Short Answer Identify all of the following three factors that are examples
of density-dependent limiting factors: 1) Disease; 2) Predation; 3) Natural disasters.
ANSWER: 1, 2
18) Earth and Space – Short Answer Accretion of astronomical objects is driven by what
fundamental force?
ANSWER: GRAVITY (ACCEPT: GRAVITATIONAL)
18) Earth and Space – Short Answer What is the term used for an impermeable layer that
inhibits the flow of groundwater?
ANSWER: AQUICLUDE (ACCEPT: AQUIFUGE)
19) Math – Short Answer What is the degree measure of an angle that is complementary to a
32-degree angle?
ANSWER: 58
19) Math – Short Answer 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?
ANSWER: 1822
20) Physical Science – Multiple Choice 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
ANSWER: Z) TWO SMALLER MAGNETS, EACH WITH A NORTH AND SOUTH POLE
20) Physical Science – Short Answer 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.
ANSWER: 1
21) Earth and Space – Short Answer 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?
ANSWER: KEPLER
21) Earth and Space – Short Answer 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.
ANSWER: 2
22) Life Science – Short Answer Organisms in the phylum [FYE- lum] Sarcodina use
cytoplasmic projections to move around and consume food. What is the term for these
projections?
ANSWER: PSEUDOPODA
22) Life Science – Short Answer In a group of pea plants, the tall trait is dominant over the
short trait in a Mendelian [men-DEEL-ee-an] manner. If two heterozygous [hetero-ZYE-gus]
plants breed and produce 24 offspring, what is the expected value of the number of tall plants
within the offspring?
ANSWER: 18
23) Physical Science – Short Answer 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?
ANSWER: NEWTON
23) Physical Science – Short Answer 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?
ANSWER: 600
