Round #2 Flashcards
Round #2 Questions To Memorize. (46 cards)
1) Earth and Space – Short Answer What is the second-most-abundant element in the
universe?
ANSWER: HELIUM
1) Earth and Space – Short Answer What unit of astronomical distance is approximately 206,000 astronomical units?
ANSWER: PARSEC
2) Life Science – Short Answer Mammals are named after glands that produce what
substance?
ANSWER: MILK
2) Life Science – Multiple Choice To what group of plants do sequoias belong?
W) Conifers
X) Cycads [SIGH-cads]
Y) Angiosperms
Z) Ginkgos
ANSWER: W) CONIFERS
3) Math – Multiple Choice The equation 3 times 4 = 4 times 3 illustrates which of the
following properties of multiplication?
W) Associative
X) Commutative
Y) Distributive
Z) Identity
ANSWER: X) COMMUTATIVE
3) Math – Short Answer A rectangle’s long sides are three times the length of its shorter sides. If its perimeter is 48, what is its area?
ANSWER: 108
4) Energy – Short Answer Scientists at the National Energy Technology Lab are studying the use of anhydrous, nonvolatile solvents for carbon capture. What specific compound is being
captured?
ANSWER: CARBON DIOXIDE (ACCEPT: CO2)
4) Energy – Short Answer Scientists at Oak Ridge National Lab have used electron energy
gain spectroscopy using a monochromated beam to directly observe the atomic vibration energies. What kind of device did they create?
ANSWER: THERMOMETER
5) Life Science – Short Answer What is the largest and most prominent region of the human
brain, which is thought to be responsible for voluntary activities?
ANSWER: CEREBRUM
5) Life Science – Short Answer What is the term for the granular material inside the nucleus that consists of DNA bound to protein?
ANSWER: CHROMATIN
6) Physical Science – Short Answer What is the general term for a device used to measure
atmospheric pressure?
ANSWER: BAROMETER
6) Physical Science – Short Answer The isotope carbon-14 has six protons and eight neutrons.
If it undergoes beta-minus decay, how many neutrons will the decay product have?
ANSWER: 7
7) Energy – Short Answer Researchers at Oak Ridge National Lab are studying how
groundwater moves through fractured rock using neutron scattering experiments. What is the term for an underground water-permeable layer composed of porous or fractured rock?
ANSWER: AQUIFER
7) Energy – Short Answer Jefferson Lab researchers are imaging alpha particle to better
understand the nucleus of what element?
ANSWER: HELIUM (ACCEPT: He)
8) Life Science – Short Answer Humans are part of what phylum [FYE- lum]?
ANSWER: CHORDATA (DO NOT ACCEPT: CHORDATES)
8) Life Science – Short Answer What part of cellular respiration oxidizes the original carbon
atoms from glucose and releases them as carbon dioxide?
ANSWER: KREBS CYCLE (ACCEPT: CITRIC ACID CYCLE, TRICARBOXYLIC ACID
CYCLE)
9) Earth and Space – Multiple Choice Which of these would lead to the formation of a deep
ocean trench?
W) Compressional tectonic forces
X) Extensional tectonic forces
Y) Volcanic activity
Z) Hydrothermal activity
ANSWER: W) COMPRESSIONAL TECTONIC FORCES
9) Earth and Space – Short Answer Rank the following three reservoirs of Earth’s water
supply from largest to smallest: 1) Ground water; 2) Lakes; 3) Glaciers
ANSWER: 3, 1, 2
10) Earth and Space – Short Answer In the rock cycle, what is the adjective for the type of
rock that forms as magma cools and solidifies?
ANSWER: IGNEOUS (ACCEPT: INTRUSIVE IGNEOUS, DO NOT ACCEPT: EXTRUSIVE
IGNEOUS)
10) Earth and Space – Multiple Choice Which of the following is closest to the ratio of the
thickness of the mantle to that of the outer core?
W) 1 to 1
X) 2 to 1
Y) 5 to 1
Z) 10 to 1
ANSWER: W) 1 TO 1
11) Physical Science – Multiple Choice Which of the following substances is most likely to be
able to combust?
W) Octane
X) Silicon dioxide
Y) Sodium chloride
Z) Iron three oxide
ANSWER: W) OCTANE
11) Physical Science – Multiple Choice A chemist might use filter paper and a funnel when
she wants to do which of the following separations?
W) Liquid-liquid
X) Solid-liquid
Y) Solid-solid
Z) Liquid-gas
ANSWER: X) SOLID-LIQUID
12) Math – Short Answer What is the greatest common factor of the 3 numbers 2, 8, and 13?
ANSWER: 1
12) Math – Short Answer Consider the function f of x = x2 – 3x. What is the polynomial that
is equal to the composite function f of f of x?
ANSWER: x4 – 6x3 + 6x2 + 9x
