Round #5 Flashcards
1) Physical Science – Short Answer What is the term for a substance that is dissolved in a
solvent?
ANSWER: SOLUTE
1) Physical Science – Short Answer Consider the reaction of nitrogen gas with hydrogen gas
to form ammonia. In the balanced form of this chemical equation, what is the sum of the
coefficients?
ANSWER: 6
2) Earth and Space – Short Answer An observer in a spaceship notes that the star she is
traveling towards appears slightly bluer than it was when she was at rest. What term describes
this decrease in apparent wavelength?
ANSWER: BLUESHIFT (ACCEPT: DOPPLER EFFECT)
2) Earth and Space – Short Answer The Local Group is a set of more than 54 of what
astronomical structures?
ANSWER: GALAXIES
3) Math – Short Answer In a right triangle, one leg has length 9 and one angle
measures 45 degrees. What is the length of the hypotenuse?
ANSWER: 9√2
3) Math – Short Answer A factory says that a 100% rate at its packing station is 250 units per
day. Last week, Kim’s rates for 5 days were 58%, 67%, 64%, 75%, and 56%. What was the
average daily number of units packed by Kim during those 5 days?
ANSWER: 160
4) Energy – Short Answer Researchers at Lawrence Berkeley National Lab have developed a
new method to chemically add synthetic tags to proteins. These tags are added to the side chains
of what class of compounds that are the monomers that compose proteins?
ANSWER: AMINO ACIDS
4) Energy – Short Answer Scientists at Oak Ridge National Lab have been studying glaucoma
drugs, which are drugs designed to treat a disease of what human organ?
ANSWER: EYE
5) Earth and Space – Short Answer What is the name for the process that turns shale into
slate?
ANSWER: METAMORPHISM
5) Earth and Space – Multiple Choice What type of drainage pattern is commonly found
associated with volcanoes?
W) Trellis
X) Dendritic [den-DRIH-dik]
Y) Rectangular
Z) Radial
ANSWER: Z) RADIAL
6) Life Science – Short Answer What is the predominant organ that sits within the pericardial
cavity?
ANSWER: HEART
6) Life Science – Short Answer What theory posits that chloroplasts and mitochondria were
originally ingested microorganisms?
ANSWER: ENDOSYMBIOTIC THEORY (ACCEPT: ENDOSYMBIOSIS,
SYMBIOGENESIS)
7) Energy – Multiple Choice Ames National Lab scientists are developing nanoparticles that
replace the catalyst in fuel cells. This catalyst is composed of what expensive element?
W) Iron
X) Platinum
Y) Palladium [pah-LAY-dee-um]
Z) Zinc
ANSWER: X) PLATINUM
7) Energy – Short Answer Researchers at Oak Ridge National Lab have been studying a
mixture of aluminum, cerium , and magnesium due to its high strength. This can best be
classified as what type of solid mixture?
ANSWER: ALLOY
8) Earth and Space – Short Answer What is the second most common gas in the atmosphere
of Jupiter?
ANSWER: HELIUM (ACCEPT: He)
8) Earth and Space – Multiple Choice In years, which of the following is closest to the age of
the solar system?
W) 5 thousand
X) 5 million
Y) 5 billion
Z) 5 trillion
ANSWER: Y) 5 BILLION
9) Math – Short Answer Simplify the fraction with numerator x4 y7 and denominator x2 y –5
.
ANSWER: x2 y12
9) Math – Short Answer If p and q are consecutive odd integers, identify all of the following
four numbers that are always even: 1) p + q; 2) pq; 3) 2p + 4q; 4) open parenthesis p + q close
parenthesis squared.
ANSWER: 1, 3, 4 (ACCEPT: ALL BUT 2)
