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1) Toss Up - Biology - Multiple Choice

In biological studies which of the following terms is used to refer to muscles with less than normal tone? Is it:
W) atonic
X) latent
Y) flaccid
Z) none of these

1) Bonus - Biology - Multiple Choice

Parasitism is a type of
W) commensalism.
X) mutualism.
Y) predation.
Z) symbiosis.

2) Toss Up - Physics - Short Answer

A potato cannon fires an ice cream sandwich at an angle of 30° above the horizontal with a speed of 6 meters per second. If g=10 meters per second squared, how long does it take to return to the height of launch?

2) Bonus - Physics - Short Answer

A 0.5 kg ice cream sandwich crashes horizontally into a wall at 4 meters per second, and is stopped by the wall in 0.1 seconds. What is the average force exerted on the ice cream sandwich by the wall?

3) Toss Up - Chemistry - Multiple Choice

Which of the following elements exists in allotropic forms?
W) silicon
X) germanium
Y) tin

3) Bonus - Chemistry - Short Answer

A 1:1 mixture of enantiomers is called what kind of mixture?

4) Toss Up - General Science - Short Answer

Rounded the nearest fifty, one horsepower is equivalent to how many BTU’s per hour?

ANSWER: 2550 (Solution: 2545 BTU = 1 hp)
4) Bonus - General Science - Short Answer

Rounded to the nearest decimal place, convert 122°F into Centigrade:

5) Toss Up - Chemistry - Short Answer

What general chemical term best describes a metal or alloy that can be substantially pressed or hammered into shapes without fracture?

5) Bonus - Chemistry - Short Answer

One-hundred milliliters of a 2 molar NaOH solution contains how many moles of NaOH?

ANSWER: 0.2 (Solution: moles = (2 moles/L)(0.1L) = 0.2 moles)
6) Toss Up - Physics - Multiple Choice

For waves, lambda is the symbol for
W) wavelength.
X) frequency.
Y) amplitude.
Z) cycles.

6) Bonus - Physics - Multiple Choice

The bending of waves around the edge of a barrier that results in a new series of waves is called
W) refraction.
X) reflection.
Y) diffraction.
Z) interference.

7) Toss Up - Math - Short Answer

If y = 5x - 2 and x = 3t, what is the derivative of y with respect to t?

7) Bonus - Math - Multiple Choice

When you treat y as a function of x, and differentiate both sides of the equation, this is called
W) incorrect
X) extrapolation differentiation
Y) interpolation differentiation
Z) implicit differentiation

8) Toss Up - Math - Short Answer

How many primes are multiples of 119?

8) Bonus - Math - Short Answer

How many numbers can be written as the sum of four of the first six primes?

9) Toss Up - Energy - Multiple Choice

Which of the following characteristics make universal motors attractive for home appliances?
W) High speed and low torque
X) High speed and high torque
Y) Low speed and high torque
Z) Low speed and low torque

ANSWER: X) HIGH SPEED AND HIGH TORQUE
9) Bonus - Energy - Short Answer

Taking g to be 9.8 meters per second squared, a 500 kilogram elevator needs how much energy, in kilojoules, to go up 30 meters, a typical height for the 10th floor?

10) Toss Up - Physics - Short Answer

What is the total voltage of a circuit with a total current of 10 Amperes running through four resistors placed in parallel, each with a resistance of 4 Ohms?

10) Bonus - Physics - Short Answer

What does the abbreviation MOSFET stand for?

11) Toss Up - Math - Short Answer

In Triangle ABC the angle bisector of A intersects BC at D. Given AB=9, AC=21, and DB=15, compute DC.

11) Bonus - Math - Short Answer

In triangle ABC, AB=14, AC=13, and BC=15. Let the incenter be I. Compute Cl in simplest radical form.

12) Toss Up - Math - Short Answer

What are the x-intercepts of y = x^2 - 15x + 54?

12) Bonus - Math - Multiple Choice

Which of the following equations does not have real solutions?
W) -3x^2 + 3 = 0
X) x^2 - 5x + 2 = 0
Y) 4x^2 - 3x - 0.25 = 0
Z) x^2 - x + 1 = 0

ANSWER: Z) x^2 - x + 1 = 0
13) Toss Up - Chemistry - Multiple Choice

When water at 10 degrees Centigrade is heated to 20 degrees Centigrade , its internal energy:
W) changes by 10 degrees C
X) is doubled
Y) is less than doubled
Z) is more than doubled

ANSWER: Y) is less than doubled
13) Bonus - Chemistry - Multiple Choice

The triple bond between the carbon atoms causes acetylene, C2H2,to have which of the following shapes?
W) trigonal planar
X) linear
Y) tetrahedral
Z) trigonal bipyramidal

14) Toss Up - Chemistry - Multiple Choice

In preparing to perform a flame test on a sample, a high molar solution of which of the following chemicals would be best to use to clean your nichrome wire?
W) Sodium hydroxide
X) Nitrous acid
Y) Hydrochloric acid
Z) Lithium hydroxide

14) Bonus - Chemistry - Short Answer

To heat 0.5 kilograms of water from 20 degrees Celsius to 80 degrees Celsius, providing your answer in kilojoules, how much energy is needed?

ANSWER: 126 (ACCEPT: VALUES FROM 125 TO 126)
15) Toss Up - Physics - Multiple Choice

Consider an electric charge moving through a magnetic field. A force acts on the charge perpendicular to the direction of the charge's motion and direction of the magnetic field. Which of the following is the MOST common name for this force:
W) B field
X) Lorentz force
Y) electrodynamic force

15) Bonus - Physics - Multiple Choice

Which of the following BEST describes the Lorentz Contraction:
W) reduction in the mass of a body as it approaches the speed of light
X) reduction in the length of a body along the direction of motion as it approaches the speed of light
Y) loss of kinetic energy when any object slows
Z) loss of potential energy when any body emits electromagnetic radiation

ANSWER: X) REDUCTION IN THE LENGTH OF A BODY ALONG THE DIRECTION OF MOTION AS IT APPROACHES THE SPEED OF LIGHT
16) Toss Up - Math - Short Answer

What is the sum of the interior angles in a hexagon?

16) Bonus - Math - Short Answer

What is the length of the longest very thin rod that can be placed in a box whose dimensions are 2 inches by 4 inches by 4 inches

17) Toss Up - Biology - Multiple Choice

Which of the following organelles can provide simple differentiation between the physiological characteristics of erythroblasts and erythrocytes?
W) Endoplasmic reticulum
X) Cell nucleus
Y) Mitochondria
Z) Golgi apparatus

17) Bonus - Biology - Multiple Choice

The resting potentials of neurons depend on what two ions?
X) Calcium and nitrate
Y) Sodium and potassium
Z) Potassium and phosphate

18) Toss Up - Astronomy - Multiple Choice

The companion galaxies of Andromeda, M 32 and NGC 205 are classified as which of the following galaxy type:
W) dwarf companion
X) barred
Y) dwarf elliptical
Z) seyfert (PRON: see-fert)

18) Bonus - Astronomy - Short Answer

By what multiple does the brightness of two stars, with apparent magnitudes of -1 and +6, differ?

ANSWER: 631 (ACCEPT: 620 to 640)
19) Toss Up - Physics - Short Answer

A metal rod with coefficient of linear expansion 1.7 x 10'5 per degree Celsius and length 10.0 meters is at 20° Celsius. What is the increase in length in millimeters when it is heated to 30° Celsius?

19) Bonus - Physics - Multiple Choice

Two pipes of diameters d1 and d2 are connected. What is the ratio of kinetic energy per unit volume (ki/k2) of water flowing through these pipes?
W) [open parenthesis d2 over d1 close parenthesis to the power of 4] /d \2
X) () [open parenthesis d2 over d1 close parenthesis to the power of 2] fd \4
Y) i [open parenthesis d1 over d2 close parenthesis to the power of 4] /d \2
Z) ^ ^) [open parenthesis d1 over d2 close parenthesis to the power of 2] \d2/

20) Toss Up - Physics - Multiple Choice

Four capacitors of 8 microfarads are connected in series and all connected in parallel to a fifth capacitor of 6 microfarads. What is the total capacitance of the system?

20) Bonus - Physics - Short Answer

A capacitor of 8 microfarads is connected in series with a resistor of 12 kilohms and in parallel with another resistor of 10 kilohms. A 10V current source with no internal resistance is connected to the system. What is the current running through the 10 kilohm resistor after a long time?

21) Toss Up - Physics - Short Answer

In 1851, Thomson independently rediscovered the idea of absolute zero by extrapolating from the law most commonly known as?

21) Bonus - Physics - Multiple Choice

If an astronaut traveling at 25% of the speed of light passes a 10 meter long satellite, what length will the astronaut get for a measure of the satellite:
W) 1.75 meters
X) 0.87 meters
Y) 8.66 meters
Z) 9.68 meters

ANSWER: Z) 9.68 METERS (Solution: L1 = L V1-V2 = 10 meters x V1- .25 = 9.68 meters)
22) Toss Up - Physics - Multiple Choice

Standing far away from a concave mirror will produce what image?
W) Upright, smaller
X) Upright, larger
Y) Upside-down, smaller
Z) Upside-down, larger

22) Bonus - Physics - Short Answer

Which type of optical aberration results from the fact that the focal points of light rays from the principal axis of a spherical lens are different from the focal points of rays with the same wavelength passing near the axis?

23) Toss Up - Math - Short Answer

Remove all negative exponents and simplify the following expression for all non-zero values of x, y, and z: (2x^2y^(-1)z^3)^0/(2x^(-3)y^(-4)z^(-5)

ANSWER: (x^3y^4z^5)/2
23) Bonus - Math - Short Answer

What is the slope-intercept equation of the line that passes through the point (4, -1) and is parallel to the line with equation 2x - 3y = 9?

ANSWER: y = 2/3 x - 11/3
24) Toss Up - Earth And Space - Short Answer

What stellar class is our sun?

24) Bonus - Earth And Space - Multiple Choice

Which of the following is related to a glacier?
W) Caldera
X) Ogive
Y) Mountain
Z) Rift Valley

25) Toss Up - Chemistry - Multiple Choice

The reaction of hydrocarbons with oxygen to produce carbon dioxide, water and heat is called:
W) fission
X) fusion
Y) endothermic
Z) combustion