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1) Toss Up - Physics - Multiple Choice

For a spark gap between two conductors, which of the following is not true if the system is in a vacuum?
W) A spark would not be audible.
X) A spark would not be visible.
Y) A spark would not release heat.
Z) A spark would involve no current.

ANSWER: Z) A SPARK WOULD INVOLVE NO CURRENT.
1) Bonus - Physics - Short Answer

What is the name for the circuit component that has high variation in its resistance with given voltages, often used to shunt current to protect more sensitive components?

ANSWER: VARISTOR
2) Toss Up - Earth Science - Multiple Choice

What is the study of the size and shape of the Earth, the measurement of terrestrial gravitational forces, and the location of fixed points on the earth's surface:
W) geography
X) geology
Y) geotropy
Z) geodesy

ANSWER: Z) GEODESY
2) Bonus - Earth Science - Multiple Choice

Which of the following types of magma would LEAST likely be involved in a nonexplosive volcanic eruption:
W) basaltic magma
X) a relatively viscous magma
Y) a relatively low silica content magma
Z) a relatively high-temperature magma

ANSWER: X) A RELATIVELY VISCOUS MAGMA
3) Toss Up - Math - Multiple Choice

To test products, there is a test that identifies 95% of defective products as defective, but also labels 10% of all working products as defective. If 85% of the products made are not defective, what probability of products the test determines to be defective are actually defective?
W) 39%
X) 84%
Y) 67%
Z) 42%

ANSWER: Y) 67%
3) Bonus - Math - Short Answer

Compute the surface area of a cylinder with radius 8 and height 2

ANSWER: 160pi
4) Toss Up - Math - Short Answer

What is `3/4 + (-5/6)` as a fraction in simplest form?

ANSWER: `-1/12`
4) Bonus - Math - Multiple Choice

Which of the following numbers is relatively prime with 15?
W) 348
X) 350
Y) 352
Z) 354

ANSWER: Y) 352
5) Toss Up - Physics - Multiple Choice

In Rome in 1934, Enrico Fermi bombarded samples of uranium with neutrons. He thought the resulting radioactive products were evidence that he had:
W) fissioned the uranium atoms
X) fused the uranium atoms
Y) created slow neutrons
Z) created elements beyond uranium on the periodic chart

ANSWER: Z) CREATED ELEMENTS BEYOND URANIUM ON THE PERIODIC CHART
5) Bonus - Physics - Short Answer

Order the following from the LOWEST to the HIGHEST temperature: water boils, iron melts, ammonia boils, tin melts

ANSWER: AMMONIA BOILS, WATER BOILS, TIN MELTS, IRON MELTS
6) Toss Up - Chemistry - Short Answer

For the following 3 processes, predict whether the change in enthalpy, or AS° (read as: delta S naught), is positive or negative, respectively: 1) decomposition of ammonium nitrate 2) sublimation of dry ice 3) condensation of gaseous iodine to liquid iodine

ANSWER: 1) +; 2) +; 3) -
6) Bonus - Chemistry - Short Answer

Consider the following equilibrium reaction, PCl5(gas) -> PCl3(gas) + Cl2(gas). If a 1-liter flask contains 0.02 moles of PCl3 and 0.02 moles of Cl2 at equilibrium, how many moles of PCl5 are in the flask. Assume the equilibrium constant is 5 x 10^-2

ANSWER: 8 x 10^-3 (ACCEPT: 0.008) (Solution: Kc = [PCl3][Cl2]/[PCl5] = (0.02)(0.02)/(0.05) = 0.008 moles)
7) Toss Up - Math - Short Answer

Determine the slope of the line that has the equation: `y - 14 = 7 (x + 2) - 5`.

ANSWER: 7
7) Bonus - Math - Multiple Choice

Line 1 and line 2 are parallel. If line 1 contains the points (6, 13) and (4, 11) and line 2 contains the point (8, 20), determine which of the following points lies on line 2.
W) (12, 15)
X) (18, 10)
Y) (10, -12)
Z) (14, 26)

ANSWER: Z) (14, 26)
8) Toss Up - Earth And Space - Short Answer

The presence of what molecule causes temperatures to increase with increasing altitude in the stratosphere?

ANSWER: OZONE (ACCEPT: O3)
8) Bonus - Earth And Space - Multiple Choice

At which of the following locations would an observer find the greatest force due to the Earth's gravity?
W) North Pole
X) Tropic of Cancer
Y) Tropic of Capricorn
Z) Equator

ANSWER: W) NORTH POLE
9) Toss Up - Physics - Multiple Choice

Which of these is a longitudinal wave?
W) microwave
X) sound wave
Y) ocean wave
Z) vibrating string

ANSWER: X) SOUND WAVE
9) Bonus - Physics - Short Answer

What property is used to reduce ambient noise in sound-canceling headphones?

ANSWER: DESTRUCTIVE INTERFERENCE
10) Toss Up - Earth Science - Multiple Choice

Water particles of open ocean waves move in what direction?
W) toward shore
X) in a circle
Y) sideways
Z) up and down

ANSWER: X) IN A CIRCLE
10) Bonus - Earth Science - Multiple Choice

Hawaii's black sands form from
W) olivine
X) quartz
Y) basalt
Z) coral and shell fragments

ANSWER: Y) BASALT
11) Toss Up - Physics - Multiple Choice

A mesophase is a state of matter intermediate between?
W) solid and liquid
X) liquid and gas
Y) gas and plasma
Z) liquid and plasma

ANSWER: W) SOLID AND LIQUID
11) Bonus - Physics - Multiple Choice

Which of the following is true?
W) Reflectivity increases with emissivity.
X) Reflectivity increases with intensity.
Y) Reflectivity decreases with emissivity.
Z) Reflectivity decreases with intensity.

ANSWER: Y) REFLECTIVITY DECREASES WITH EMISSIVITY.
12) Toss Up - Physics - Multiple Choice

What physicist won the Nobel prize in 1904 for his discovery of the element argon?
W) Hendrik Lorentz
X) John Strutt
Y) Gabriel Lippmann
Z) Max von Laue

ANSWER: X) JOHN STRUTT
12) Bonus - Physics - Short Answer

In what year did Albert Einstein accept his Nobel prize in physics for his explanation of the photoelectric effect, which had first been observed by Hertz 34 years earlier?

ANSWER: 1921
13) Toss Up - Biology - Short Answer

In angiosperm seed development, what fuses with the second sperm nucleus to form the endosperm?

ANSWER: 2 POLAR NUCLEI (ACCEPT: 2 OR BOTH POLAR NUCLEI or POLAR NUCLEI) (DO NOT ACCEPT: POLAR NUCLEUS)
13) Bonus - Biology - Short Answer

In what specific part of a eukaryotic cell will pyruvate be converted into acetyl Co-enzyme A?

ANSWER: MITOCHONDRION (ACCEPT: MITOCHONDRIA)
14) Toss Up - Math - Short Answer

Find the sum of 1+2+4+...+64

ANSWER: 127
14) Bonus - Math - Multiple Choice

Evaluate the limit of sine of x over x as the function approaches 0.
W) Infinity
X) Does Not Exist
Y) Zero
Z) One

ANSWER: Z) One
15) Toss Up - Astronomy - Multiple Choice

The light-gathering power of a reflecting telescope depends on which of the following?
W) the area of its objective mirror
X) focal length of its eyepiece
Y) focal length of its objective mirror
Z) the ratio of the focal lengths of objective and eyepiece

ANSWER: W) the area of its objective mirror
15) Bonus - Astronomy - Multiple Choice

The term "blue moon" refers to
W) halos of reflecting light surrounding the moon
X) second occurrence of a full moon during a single month
Y) the light spectra influencing the moon viewing
Z) the fact that the moon is made of blue cheese

ANSWER: X) second occurrence of a full moon during a single month
16) Toss Up - Astronomy - Multiple Choice

Which of the following is probably the most ancient astronomic instrument:
W) dioptera
X) gnomon
Y) astrolabe
Z) compass

ANSWER: X) GNOMON
16) Bonus - Astronomy - Short Answer

How many degrees of arc are in 1 hour and 20 minutes of right ascension?

ANSWER: 20 (Solution: 1 hr = 15°, 60 minutes = 1 hr, 15° + 20 x .25 = 20°)
17) Toss Up - Biology - Short Answer

Name the class of mollusks in which many larval stages undergo torsion.

ANSWER: GASTROPODA
17) Bonus - Biology - Multiple Choice

Which of the following BEST describes the problem that torsion creates for gastropods?
W) More energy is needed to develop a coiled shell
X) Waste is expelled above the organism’s head and mouth
Y) It limits the amount of space the organism has for growth
Z) To eat, an organism must extend its body outside of its protective shell

ANSWER: X) WASTE IS EXPELLED ABOVE THE ORGANISM’S HEAD AND MOUTH
18) Toss Up - Chemistry - Multiple Choice

Which compound, made from the indicated pairs of ions, will be insoluble?
W) Iron (III) and phosphate ion
X) Bromide ion and ammonium ion
Y) Calcium ion and bromide ion
Z) Bromide ion and iron (III)

ANSWER: W) Iron (III) and phosphate ion
18) Bonus - Chemistry - Multiple Choice

When the combustion reaction for benzene is properly balanced with the smallest whole-number coefficients, the sum of the coefficients is
W) 15
X) 12
Y) 35
Z) 17.5

ANSWER: Y) 35
19) Toss Up - Physics - Multiple Choice

An electron is travelling due north when it experiences a magnetic field that is pointing vertically upward. In what direction will the electron be deflected when it initially encounters the field?
W) North
X) South
Y) East
Z) West

ANSWER: Z) WEST
19) Bonus - Physics - Short Answer

A 35.4 x 10-11 coulomb charge is placed into a spherical Gaussian [GOUS-ee-uhn] surface with a radius of 5 meters. Given that epsilon naught is 8.85 x 10-12 farads per meter, what is the electric flux through this surface in newton meters squared per coulomb?

ANSWER: 40
20) Toss Up - Chemistry - Short Answer

What does the acronym MSDS, the safety information sheet for a particular chemical substance, stand for?

ANSWER: MATERIAL SAFETY DATA SHEET
20) Bonus - Chemistry - Multiple Choice

If an atom X, which has an electronegativity of 3.5, bonds with atom Y, which has an electronegativity of 0.9, what type of bond is most likely prevalent:
W) ionic
X) polar covalent
Y) non-polar covalent
Z) neutral

ANSWER: W) IONIC
21) Toss Up - Earth And Space - Multiple Choice

Which of the following minerals breaks in parallel sheets?
W) Pyroxene
X) Halite
Y) Muscovite
Z) Calcite

ANSWER: Y) Muscovite
21) Bonus - Earth And Space - Multiple Choice

During a supernova, what percentage of the total energy released is composed of neutrinos?
W) 10
X) 50
Y) 75
Z) 99

ANSWER: Z) 99
22) Toss Up - Physics - Short Answer

You are traveling down a level highway in your car with mass 1000 kilograms at 30 meters per second when you see a deer and hit the brakes. How much time, in seconds, would it take to stop fully if the applied braking force is 5000 newtons?

ANSWER: 6
22) Bonus - Physics - Multiple Choice

Epsilon naught, £o, and mu naught, po, are permittivity and permeability constants of free space, respectively. The speed of light is found in terms of these constants as which of the following?
W) 1 /^£oPo [1 over the square root of the quantity epsilon naught mu naught]
X) ^£oPo [the square root of the quantity epsilon naught mu naught]
Y) Mo 4ne0 [the fraction with numerator mu naught and denominator 4 pi epsilon naught]
Z) £0/p0 [epsilon naught over mu naught]

ANSWER: W) 1//£op0
23) Toss Up - Biology - Multiple Choice

Which of the following will most likely occur as T3 and T4 levels rise in the blood:
W) FSH will decrease and LH will rise
X) TSH release will fall
Y) insulin levels will fall and oxytocin will be released
Z) ACTH and LH will both rise

ANSWER: X) TSH RELEASE WILL FALL
23) Bonus - Biology - Short Answer

Of the four main blood types, which two will show no agglutination when tested against anti-B serum?

ANSWER: TYPES “A” AND “O”
24) Toss Up - Physics - Multiple Choice

What is the equivalent resistance in a circuit containing four resistors in parallel of resistance 8 ohms, 8 ohms, 4 ohms, and 2 ohms?
W) 0.5 ohms
X) 1 ohm
Y) 2 ohms
Z) 4 ohms

ANSWER: X) 1 OHM
24) Bonus - Physics - Multiple Choice

In an RC circuit, which of the following will not increase the time constant?
W) increase the cross-sectional area of the resistor
X) increase the area of the capacitor plates
Y) insert a dielectric in between the capacitor plates
Z) increase the length of the resistor

ANSWER: W) INCREASE THE CROSS-SECTIONAL AREA OF THE RESISTOR
25) Toss Up - Earth And Space - Short Answer

Which of the following rocks would be most impacted by acid rain: 1) chert, 2) limestone, or 3) granite?

ANSWER: LIMESTONE (ACCEPT: 2)
25) Bonus - Earth And Space - Short Answer

Imagine a sandstone that fizzes when exposed to hydrochloric acid. Name the mineral that cements the sand grains together.

ANSWER: CALCIUM CARBONATE (ACCEPT: CALCITE OR CaCOa)