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Science-Math Quiz Bowl

- Final Practice Questions

Science-Math Quiz Bowl Questions

- 1. Balance the given reaction
- _CH4 _O2 _CO2 _H2O

1CH4 2O2 ? 1CO2 2H2O

Science-Math Quiz Bowl Questions

- 2. The rarest blood type for humans?

AB-

Science-Math Quiz Bowl Questions

3. Four capacitors are in a series circuit with

values of 10, 20, 25, and 100 coulombs/volt.

What is the capacitance of the circuit?

- Answer 5 coulombs/volt
- 1/C 1/10 1/20 1/25 1/100 1/5 C 5.

Science-Math Quiz Bowl Questions

- 4. What is the height of an equilateral triangle

with area 4?3?

Answer 2?3

Science-Math Quiz Bowl Questions

- 5. Name two structures that compose peripheral

nerves.

Axons Dendrites

Science-Math Quiz Bowl Questions

- 6. Complete and balance this reaction.
- C4H10 O2 (assume complete)

2C4H10 13O2 8CO2 10H2O

Science-Math Quiz Bowl Questions

- If ?ABC is a 30-60-90 triangle and the shortest

leg is of length 5, what is the area?

Answer 25?3/2

Science-Math Quiz Bowl Questions

- 8. An electromagnetic wave has a frequency of

1.5 x 1010 Hz. What is the wavelength?

2 cm

Science-Math Quiz Bowl Questions

- 9. __________ their membranes form the myelin

sheath of peripheral neurons. - Their nuclei and cytoplasm form the neurolemma.

Schwann cells

Science-Math Quiz Bowl Questions

- Relate the length of the following line segments.

(____)2 (AB)(BD)

A

D

B

C

Answer (BC)2 (AB)(BD)

Science-Math Quiz Bowl Questions

- 11. A ball is thrown horizontally from the top

of a building that is 44.1 meters above the

ground with a velocity 9.0 m/s. How far away

from the base of the building does it hit the

ground?

27 meters

Science-Math Quiz Bowl Questions

- Predict the precipitate of the following

reaction - BaCl2 AgNO3 ?

AgCl

Science-Math Quiz Bowl Questions

- 13. A 250 N force is applied to a 12.5 kg mass.

What is the acceleration experienced by the mass?

Answer 20 m/sec 2

Science-Math Quiz Bowl Questions

- 14. In ?ABC, ?A40, and the exterior angle of ?C

140. What is the measure of ?B?

Answer 100o

Science-Math Quiz Bowl Questions

- 15. This part of the brain is responsible for
- 1. Produces antidiuretic hormone and oxytocin.
- 2. Produces releasing hormones.
- 3. Regulates body temperature.
- 4. Regulates food intake.
- 5. Regulates the autonomic nervous system and

visceral responses. - 6. Regulates body rhythms.

Hypothalamus

Science-Math Quiz Bowl Questions

- 16. Evaluate

if

b.

a.

c.

d.

Answer C

Science-Math Quiz Bowl Questions

- 17. What is the length of the final leg of a

right triangle with hypotenuse 50 and one leg

length 14?

Answer 48

Science-Math Quiz Bowl Questions

- 18. 2C2H2 5 O2 4CO2 2 H2O
- If 3.84 moles of C2H2 are burned, how many moles

of O2 are needed?

9.6 moles

Science-Math Quiz Bowl Questions

- 19. Which of the following lines is not parallel

to the graph of - a. b.
- c. d.

Answer a

Science-Math Quiz Bowl Questions

- 20. The principle that explains how a car lift

uses hydraulic pressure to elevate a car.

Answer Pascals Principle

Science-Math Quiz Bowl Questions

- 21. A 45-45-90 triangle with a hypotenuse of 12

has a leg of what length?

Answer 6?2

Science-Math Quiz Bowl Questions

- 22. A thermodynamic process that occurs where

temperature remains constant.

Isothermic

Science-Math Quiz Bowl Questions

- 23. The period of a water wave is 2.5 x 10-2

second and its wavelength is 0.5 meters. What is

the velocity of the wave?

20 m/s

Science-Math Quiz Bowl Questions

- A trapezoid with median 8 and height 7 has what

area?

Answer 56

Science-Math Quiz Bowl Questions

- 25. A parallel circuit of 3 resistors of values

50 ohms, 10, ohms, and 25 ohms have a current of

4 amps. What is the voltage in this circuit?

Answer 25 volts

Science-Math Quiz Bowl Questions

- 26. Identify the 3 major types of carbohydrates.

Monosaccharides Disaccharides Polysaccharides

Science-Math Quiz Bowl Questions

- 27. What is the efficiency of a heat engine with

a heat output of 120 Calories and a heat input of

600 Calories?

Answer 80 E 1 120/600 .80

Science-Math Quiz Bowl Questions

- 28. A sphere is contained within a right cylinder

such that the diameter of the sphere equals the

diameter of the cylinder. If the diameter of the

sphere is 6 and the height of the cylinder is 8,

what is the volume in the cylinder that is not

occupied by the sphere ?

Answer 36?

Science-Math Quiz Bowl Questions

- 29. If 10.1 g of Fe are added to a solution of

Copper (II) Sulfate, how many grams of solid

copper would form? - 2Fe 3CuSO4 Fe2(SO4)3 3Cu

Answer 17.2 g Cu

Science-Math Quiz Bowl Questions

- 30. A person suffering with myopia comes to you

as an optometrist seeking to have his vision

corrected. What type of lens will you prescribe.

Concave or diverging lens

Science-Math Quiz Bowl Questions

- 31. What is the length of the diagonal of a

rectangular solid with length 5, width 6, and

height 2?

Answer ?65

Science-Math Quiz Bowl Questions

- 32. Carbohydrate group that has the following

characteristics - Animal starches (glycogen)
- Long chains of glucose
- Does not dissolve in water
- Stored in liver and muscle tissue

Polysaccharides

Science-Math Quiz Bowl Questions

- 33. Which of the following best describes the

image of a concave mirror when the objects

distance from the mirror is less than the focal

distance? - a. virtual, upright, and magnification greater

than one - b. real, inverted, and magnification less than

one - c. virtual, upright and magnification less than

one - d. real, inverted and magnification greater than

one

a. virtual, upright, and magnification greater

than one

Science-Math Quiz Bowl Questions

34. Of the following four processes, indicate

which are exothermic evaporation, condensation,

melting, solidification

Condensation Solidification

Science-Math Quiz Bowl Questions

- 35. A magnetic field goes through a loop of wire,

as below. If the magnitude of the magnetic field

is increasing, what can we say about the current

in the loop? - a. The loop has a clockwise current.
- b. The loop has a counterclockwise current.
- c. The loop has no current.

a. The loop has a counterclockwise current. b.

The loop The loop has a clockwise current. c.

Has no current.

Science-Math Quiz Bowl Questions

- 36. Identify the chemical group having the given

structure

Ketones

Science-Math Quiz Bowl Questions

- 37. Determine the magnitude of the magnetic field

created from a 10 loop coil of wire having a

current of 5 amperes. - µo 4 ? x 10-7 T.m / A

B 200 ? x 10-7 T

Science-Math Quiz Bowl Questions

- 38. Health conditions that results from an

iodine deficiency and the inflammation of

follicles due to inadequate production of thyroid

hormone.

Goiter

Science-Math Quiz Bowl Questions

- 39. A plane electromagnetic wave has electric and

magnetic fields at all points in the plane as

noted below. With the fields oriented as shown,

the wave is moving - A. into the plane of the paper.
- B. out of the plane of the paper.
- C. to the left.
- D. to the right.
- E. toward the top of the paper.

A. into the plane of the paper.

Science-Math Quiz Bowl Questions

40. How many grams of KCl, with a molar mass of

75 g/mol, are needed to make 1.0 L of a 5 molar

solution?

375 g