Round #8

Question 1

1) Life Science – Multiple Choice From what source does the energy required for photsynthesis come?
W) Water
X) Oxygen
Y) Carbon Dioxide
Z) Sunlight

Answer 1

ANSWER: Z) SUNLIGHT

Question 2

1) Life Science – Short Answer What compartment of the heart pumps blood to the lungs?

Answer 2

ANSWER: RIGHT VENTRICLE

Question 2

2) Energy – Short Answer Most ethanol in the U.S. is produced from what crop?

Answer 2

ANSWER: CORN

Question 2

2) Energy – Multiple Choice Which of the following types of coal is produced in the smallest amount in the U.S.?
W) Anthracite [AN-thrah-site]
X) Bituminous [bih-TOOM-in-us]
Y) Lignite
Z) Subbituminous [sub-bih-TOOM-in-us]

Answer 2

ANSWER: W) ANTHRACITE

Question 3

3) Earth and Space – Short Answer The often brackish feature formed where a river meets the sea is called what?

Answer 3

ANSWER: ESTUARY

Question 4

3) Earth and Space – Short Answer What is the term for the production of usable energy directly from inorganic
molecules?

Answer 4

ANSWER: CHEMOSYNTHESIS

Question 5

4) Life Science – Short Answer What scientist posited the idea of natural selection in his book On the Origin of
Species?

Answer 5

ANSWER: CHARLES DARWIN (ACCEPT: DARWIN)

Question 6

4) Life Science – Short Answer What is the structure capable of transporting water only upward in plants?

Answer 6

ANSWER: XYLEM

Question 7

5) Math – Short Answer A map has a scale of 2 cm to 9 kilometers. What is the distance, in kilometers, between 2 cities
that are 12 cm apart on the map?

Answer 7

ANSWER: 54

Question 8

5) Math – Short Answer Solve the following equation for x: open parenthesis 4x – 3 close parenthesis squared = 25.

Answer 8

ANSWER: –1/2 or 2 (MUST GIVE BOTH ANSWERS; ACCEPT –0.5 for –1/2)

Question 9

6) Physical Science – Multiple Choice Of the following choices, where would one most likely find a charge-coupled
device?
W) Mass spectrometer [spek-TRAW-meter]
X) Camera
Y) Multimeter [multi-meter]
Z) Motor

Answer 9

`ANSWER: X) CAMERA

Question 10

6) Physical Science – Short Answer A 5-kilogram mass was held in place at a height of 2 meters above the ground. To
the nearest newton, what force was required to hold it there?

Answer 10

ANSWER: 49

Question 11

7) Earth and Space – Short Answer What scientist developed the theory of continental drift?

Answer 11

ANSWER: ALFRED WEGENER

Question 12

7) Earth and Space – Short Answer What two planets in our solar system do not have natural satellites?

Answer 12

ANSWER: VENUS AND MERCURY

Question 13

8) Physical Science – Multiple Choice Which of the following properties best determines the difference between a
liquid and a gas?
W) Malleability [mal-ee-ability]
X) Density
Y) Volume
Z) Pressure

Answer 13

ANSWER: X) DENSITY

Question 14

8) Physical Science – Short Answer What law relates the force applied by a spring to its deformation?

Answer 14

ANSWER: HOOKE’S LAW

Question 15

9) Energy – Short Answer While the United States has the largest known coal reserves on Earth, what country produces
the most coal annually, accounting for roughly half of the coal produced worldwide?

Answer 15

ANSWER: CHINA

Question 16

9) Energy – Short Answer Lawrence Livermore Lab researchers have developed 3D-printed graphene aerogel
electrodes for supercapacitors. What do supercapacitors store?

Answer 16

ANSWER: ELECTRICITY (ACCEPT: ELECTRICAL ENERGY, ELECTRICAL CHARGE)

Question 17

10) Math – Short Answer What is the multiplicative inverse of –7/3?

Answer 17

ANSWER: –3/7

Question 18

10) Math – Multiple Choice A student makes the following conjecture: “If a quadrilateral is a rhombus, then it must be
a parallelogram.” If someone doesn’t believe this conjecture is true, which of the following would be necessary to have a
counterexample to it?
W) A rhombus that is a parallelogram
X) A parallelogram that is a rhombus
Y) A rhombus that is not a parallelogram
Z) A parallelogram that is not a rhombus

Answer 18

ANSWER: Y) A RHOMBUS THAT IS NOT A PARALLELOGRAM

Question 19

11) Life Science – Short Answer A patient complains of having watery diarrhea. What organ would a doctor most
likely think might be affected?

Answer 19

ANSWER: SMALL INTESTINES

Question 20

11) Life Science – Short Answer Over the course of their lives, plants will build significant carbon-based biomass
without reducing the mass of the soil they are growing in. From what molecule does the carbon for this biomass come?

Answer 20

ANSWER: CARBON DIOXIDE (ACCEPT: CO2)

Question 21

12) Math – Short Answer What is the greatest integer less than or equal to the log base 3 of 579?

Answer 21

ANSWER: 5

Question 22

12) Math – Short Answer Given f of x = 4x2 – 3 and g of x = 4 over open parenthesis x – 5 close parenthesis,
calculate g of f of 3.

Answer 22

ANSWER: 1/7

Question 23

13) Life Science – Multiple Choice Which of the following correctly explains why glucose is converted to glucose-6-phosphate in the first step of glycolysis [glye-KAWL-eh-sis]? W) The cell membrane is impermeable to large, negatively-charged molecules X) It enables the splitting of glucose in half during the next step Y) The isomerization [eye-saw-mor-eyes-AY-shun] of glucose is less favorable than that of glucose-6-phosphate Z) Glucose-6-phosphate can also be incorporated into glycogen [GLYE-koh-jen]

Answer 23

ANSWER: W) THE CELL MEMBRANE IS IMPERMEABLE TO LARGE, NEGATIVELY-CHARGED MOLECULES

Question 24

13) Life Science – Multiple Choice Many antibiotics inhibit bacterial protein synthesis, but not eukaryotic [YOU-care-ee-AW-tic] protein synthesis. Which of the following best explains why? W) The antibiotics cut up bacterial mRNA, but not eukaryotic mRNA X) Eukaryotes [YOU-care-ee-oats] have enzymes to destroy the antibiotics, but bacteria do not Y) Eukaryotes can export the antibiotics, preventing them from damaging the cell Z) The antibiotics affect bacterial but not eukaryotic ribosomes

Answer 24

ANSWER: Z) THE ANTIBIOTICS AFFECT BACTERIAL BUT NOT EUKARYOTIC RIBOSOMES

Question 25

14) Earth and Space – Short Answer Eskers are left behind by what geological features?

Answer 25

ANSWER: GLACIERS

Question 26

14) Earth and Space – Short Answer Quiescent prominences observed on the Sun are long, thin, vertical sheets of what state of matter?

Answer 26

ANSWER: PLASMA

Question 27

15) Physical Science – Multiple Choice Which of the following does not affect the reaction rate of the Haber synthesis of ammonia? W) Physical state of the reactants X) Humidity Y) Temperature Z) Concentration

Answer 27

ANSWER: X) HUMIDITY

Question 28

15) Physical Science – Short Answer Friction converts mechanical energy into what other form of energy?

Answer 28

ANSWER: HEAT

Question 29

16) Energy – Multiple Choice A reaction where the system absorbs energy is known as which of the following? W) Exothermic X) Endothermic Y) Nuclear Z) Thermodynamic

Answer 29

ANSWER: X) ENDOTHERMIC

Question 30

16) Energy – Short Answer What quantity is equal to the product of power and time?

Answer 30

ANSWER: ENERGY

Question 31

17) Math – Short Answer What is 7/9 times ¾?

Answer 31

ANSWER: 7/12

Question 32

17) Math – Short Answer What is the area of a rhombus with diagonals of length 22 and 28?

Answer 32

ANSWER: 308

Question 33

18) Physical Science – Multiple Choice Which of the following elements has the highest atomic number? W) Hydrogen X) Lawrencium [lah-REN-see-um] Y) Gold Z) Californium [cal-ih-FOR-nee-um]

Answer 33

ANSWER: X) LAWRENCIUM

Question 34

18) Physical Science – Short Answer When a superconductor becomes perfectly diamagnetic, what effect is it exhibiting?

Answer 34

ANSWER: MEISSNER EFFECT

Question 35

19) Life Science – Short Answer What is the name of the process responsible for bursting red blood cells when they are placed in pure water?

Answer 35

ANSWER: OSMOSIS

Question 36

19) Life Science – Short Answer What organ in the human body is involved in filtering out extra solutes in the blood?

Answer 36

ANSWER: KIDNEY

Question 37

20) Earth and Space – Multiple Choice Which of the following best describes the intercloud medium in space? W) Hot and high density X) Hot and low density Y) Cold and high density Z) Cold and low density

Answer 37

ANSWER: X) HOT AND LOW DENSITY

Question 38

20) Earth and Space – Multiple Choice A stream is dammed, raising its base level. Which of the following is most likely to happen? W) The stream deposits sediment upstream of the dam X) The stream's velocity increases Y) The stream's discharge increases Z) The gradient of the stream increases

Answer 38

ANSWER: W) THE STREAM DEPOSITS SEDIMENT UPSTREAM OF THE DAM

Question 39

21) Physical Science – Short Answer You travel in a car 1 mile north, then 1 mile east, then 1 mile south. What is the net displacement of your trip?

Answer 39

ANSWER: 1 MILE EAST (NOTE: EAST IS NECESSARY IN THE ANSWER)

Question 40

21) Physical Science – Short Answer The distance between crests of a wave is 2 centimeters. If the wave travels at 10 meters per second, what is its frequency in Hertz?

Answer 40

ANSWER: 500

Question 41

22) Math – Short Answer What is the circumference of a circle of radius 9?

Answer 41

ANSWER: 18π

Question 42

22) Math – Short Answer What is the least common multiple of 12, 16, and 22?

Answer 42

ANSWER: 528

Question 43

23) Earth and Space – Short Answer What objects are created via calving?

Answer 43

ANSWER: ICEBERGS

Question 44

23) Earth and Space – Short Answer Desert pavement is a feature created due to the action of what erosional agent?

Answer 44

ANSWER: WIND