Round #10

Question 1

1) Math – Short Answer What are the distinct prime factors of 110?

Answer 1

ANSWER: 2, 5, AND 11

Question 2

1) Math – Short Answer Convert 112 in base 10 to base 6.

Answer 2

ANSWER: THREE-ZERO-FOUR

Question 3

2) Earth and Space – Short Answer Gully erosion is caused by what agent of erosion?

Answer 3

ANSWER: WATER

Question 4

2) Earth and Space – Multiple Choice Exposed Precambrian crystalline igneous and metamorphic rocks that form
tectonically stable areas are which type of geologic province?
W) Shield
X) Platform
Y) Orogen
Z) Basin

Answer 4

ANSWER: W) SHIELD

Question 5

3) Energy – Multiple Choice Until the mid-1800s, biomass provided a significant portion of US energy needs. Which
of the following is closest to the percentage of US energy usage that was provided by biomass before 1850?
W) 10
X) 30
Y) 60
Z) 90

Answer 5

ANSWER: Z) 90

Question 6

3) Energy – Multiple Choice What is the primary method used by a reactor operator to reduce the power level in a
boiling water nuclear reactor?
W) Insertion of control rods
X) Removal of control rods
Y) Addition of water to the reactor vessel
Z) Removal of water from the reactor vessel

Answer 6

ANSWER: W) INSERTION OF CONTROL RODS

Question 7

4) Math – Short Answer Rounded to the nearest 100, what is 346 + 275 + 512?

Answer 7

ANSWER: 1100

Question 8

4) Math – Short Answer What is the degree measure of each interior angle of a regular
60-sided polygon?

Answer 8

ANSWER: 174

Question 9

5) Life Science – Multiple Choice Which of the following is an example of a plant with bulb stems?
W) Onion
X) Potato
Y) Strawberry
Z) Asparagus

Answer 9

ANSWER: W) ONION

Question 10

5) Life Science – Multiple Choice A biker falls and now has trouble balancing. Which of the following structures is
likely damaged?
W) Auditory canal
X) Tympanic membrane
Y) Semicircular canal
Z) Cochlea [KOH-klee-ah]

Answer 10

ANSWER: Y) SEMICIRCULAR CANAL

Question 11

6) Physical Science – Multiple Choice Which of the following is a characteristic of all strong acids?
W) Complete dissociation in water
X) High pH number
Y) Has a halogen
Z) Not an oxidant

Answer 11

ANSWER: W) COMPLETE DISSOCIATION IN WATER

Question 12

6) Physical Science – Short Answer Add the following three terms and give the answer in centimeters to the
appropriate number of significant figures: 2.5 centimeters, 0.50 centimeters, and 0.055 centimeters.

Answer 12

ANSWER: 3.1

Question 13

7) Earth and Space – Multiple Choice According to the U.S. government, the BP oil spill was responsible for the
release of approximately how many million gallons of oil into the Gulf of Mexico?
W) 90
X) 150
Y) 210
Z) 305

Answer 13

ANSWER: Y) 210

Question 14

7) Earth and Space – Short Answer What is the primary source for winds on the terrestrial planets?

Answer 14

ANSWER: SUNLIGHT

Question 15

8) Energy – Multiple Choice Which country has the largest proven coal reserves?
W) China
X) India
Y) Russia
Z) United States

Answer 15

ANSWER: Z) UNITED STATES

Question 16

8) Energy – Multiple Choice Which product of coal gasification can be used for power production?
W) Hydrogen sulfide
X) Oxygen
Y) Carbon dioxide
Z) Hydrogen

Answer 16

ANSWER: Z) HYDROGEN

Question 17

9) Life Science – Short Answer How many different species in the genus Homo are extant?

Answer 17

ANSWER: ONE

Question 18

9) Life Science – Short Answer Most unicellular eukaryotes [YOU-care-ee-oats] are grouped into what kingdom?

Answer 18

ANSWER: PROTISTA

Question 19

10) Energy – Multiple Choice Which of the following types of energy production yields the most energy per gram of
fuel?
W) Combustion of coal
X) Fission of uranium
Y) Fusion of deuterium [doo-TEER-ee-um] and tritium [TRIH-tee-um]
Z) Hydrogen fuel cell

Answer 19

ANSWER: Y) FUSION OF DEUTERIUM AND TRITIUM

Question 20

10) Energy – Short Answer What are the chemical compounds used as the anode [ANN-ode] and cathode [CATH-ode],
respectively, of a standard alkaline AA battery?

Answer 20

ANSWER: ANODE: ZINC; CATHODE: MANGANESE OXIDE (ACCEPT: ZINC AND MANGANESE OXIDE, IN
THAT ORDER)

Question 21

11) Math – Short Answer A right triangle has its hypotenuse of length 24 and one angle that measures 60 degrees. What
is the length of its longer leg?

Answer 21

ANSWER: 12√3

Question 22

11) Math – Short Answer Four to the 32nd power divided by 32 to the 4th power equals 2 to what power?

Answer 22

ANSWER: 44

Question 23

12) Physical Science – Multiple Choice Which of the following types of radiation has the lowest energy?
W) Infrared
X) Microwave
Y) Blue light
Z) Visible

Answer 23

ANSWER: X) MICROWAVE

Question 24

12) Physical Science – Short Answer What two elements are liquids at standard room temperature and pressure?

Answer 24

ANSWER: MERCURY AND BROMINE

Question 25

13) Earth and Space – Multiple Choice The Intertropical Convergence Zone is the area encirling the Earth near the
equator where the northeast and southeast trade winds come together. This area was known to sailors as which of the
following?
W) Horse latitudes
X) Monsoon trough
Y) Doldrums
Z) Trade lows

Answer 25

ANSWER: Y) DOLDRUMS

Question 26

13) Earth and Space – Short Answer A particular star has an apparent magnitude of 13 and an absolute magnitude of 8.
How many parsecs away is this star?

Answer 26

ANSWER: 100

Question 27

14) Life Science – Short Answer During what cellular process do synapsis [sin-AP-sis] and crossing over occur?

Answer 27

ANSWER: MEIOSIS (ACCEPT: PROPHASE I)

Question 28

14) Life Science – Short Answer Phagocytosis [fag-oh-sye-TOW-sis] and pinocytosis [PEE-noh-sigh-TOW-sis] are
both examples of what type of general cellular process?

Answer 28

ANSWER: ENDOCYTOSIS (ACCEPT: ACTIVE TRANSPORT, BULK TRANSPORT)

Question 29

15) Earth and Space – Multiple Choice According to the conveyor belt model of ocean circulation, which of the
following happens when water reaches the poles?
W) The salinity of the water decreases
X) The density of the water increases
Y) The density of the water decreases
Z) The temperature of the water increases

Answer 29

ANSWER: X) THE DENSITY OF THE WATER INCREASES

Question 30

15) Earth and Space – Short Answer What layer of the atmosphere is the location of the ozone layer?

Answer 30

ANSWER: STRATOSPHERE

Question 31

16) Math – Short Answer How many feet are in two miles?

Answer 31

ANSWER: 10,560

Question 32

16) Math – Short Answer What is the slope-intercept equation of the line that contains points
(–1, 1) and (4, 21)?

Answer 32

ANSWER: y = 4x + 5

Question 33

17) Physical Science – Short Answer When graphing force versus time, what physical quantity can be determined from
the area underneath the curve?

Answer 33

ANSWER: IMPULSE

Question 34

17) Physical Science – Short Answer A 100-kilogram vehicle is accelerating at 7 meters per second squared. In
newtons, what is the force on this vehicle?

Answer 34

ANSWER: 700

Question 35

18) Earth and Space – Multiple Choice Which of the following best explains why the sun never sets in Northern
Finland in mid-summer?
W) Because it is always sunny in summer in Finland
X) Because when it is summer in Finland it is winter in Africa
Y) Because the Finns need a long growing season
Z) Because the rotational axis of the Earth is tilted relative to Earth’s orbit around the sun

Answer 35

ANSWER: Z) BECAUSE THE ROTATIONAL AXIS OF THE EARTH IS TILTED RELATIVE TO EARTH’S ORBIT
AROUND THE SUN

Question 36

18) Earth and Space – Short Answer Which of the Galilean moons has the shortest orbital period?

Answer 36

ANSWER: IO

Question 37

19) Physical Science – Multiple Choice A piece of zinc is in a beaker of water. As you add hydrochloric acid to the
beaker you see small gas bubbles forming around the zinc. What is this gas?
W) Chlorine gas
X) Water vapor
Y) Hydrogen gas
Z) Oxygen gas

Answer 37

ANSWER: Y) HYDROGEN GAS

Question 38

19) Physical Science – Short Answer What scientist is famous for the deduction that blackbody radiation must be
quantized?

Answer 38

ANSWER: MAX PLANCK (ACCEPT: PLANCK)

Question 39

20) Life Science – Short Answer In what area of the cell does glycolysis [glye-KAWL-eh-sis] occur?

Answer 39

ANSWER: CYTOSOL

Question 40

20) Life Science – Short Answer What molecules diffuse across synapses [sin-AP-seez] and bind to ligand [LIH-gund]
gated ion channels?

Answer 40

ANSWER: NEUROTRANSMITTERS

Question 41

21) Physical Science – Multiple Choice What happens to a light wave that passes from air into water?
W) Its speed increases and its frequency remains constant
X) Its wavelength increases and its speed decreases
Y) Its frequency increases and its wavelength remains constant
Z) Its speed decreases and its frequency remains constant

Answer 41

ANSWER: Z) ITS SPEED DECREASES AND ITS FREQUENCY REMAINS CONSTANT

Question 42

21) Physical Science – Short Answer If a wave has a period of 0.125 seconds, what is the frequency in hertz?

Answer 42

ANSWER: EIGHT

Question 43

22) Life Science – Short Answer What scientist is famous for her x-ray diffraction experiments that contributed to the
discovery of the structure of DNA?

Answer 43

ANSWER: ROSALIND FRANKLIN

Question 44

22) Life Science – Short Answer What type of viruses exclusively attack bacteria?

Answer 44

ANSWER: BACTERIOPHAGES

Question 45

23) Math – Short Answer If 48 students play in the band, and they represent 25% of the students in a school, how many
total students attend the school?

Answer 45

ANSWER: 192

Question 46

23) Math – Short Answer To the nearest whole number, what is the slant height of a right circular cone with radius 8
and height 11?

Answer 46

ANSWER: 14