Round #7 Flashcards
(46 cards)
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
