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 Questions2. The rarest blood type for humans?

AB-

Science-Math Quiz Bowl Questions3. 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 Questions4. What is the height of an equilateral triangle

with area 43?

Answer: 23

Science-Math Quiz Bowl Questions5. 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: 253/2

Science-Math Quiz Bowl Questions8. 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)

Answer: (BC)2 = (AB)(BD)

B

A

D

C

Science-Math Quiz Bowl Questions11. 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 Questions12. Predict the precipitate of the following

reaction:

BaCl2 + AgNO3 →

AgCl

Science-Math Quiz Bowl Questions13. 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 Questions14. In ABC, A=40, and the exterior angle of

C = 140. What is the measure of B?

Answer: 100o

Science-Math Quiz Bowl Questions15. 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 Questions16. Evaluate if

a. b.

d.c.

Answer: C

Science-Math Quiz Bowl Questions17. 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 Questions18. 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 Questions20. The principle that explains how a car lift

uses hydraulic pressure to elevate a car.

Answer: Pascal’s Principle

Science-Math Quiz Bowl Questions21. A 45-45-90 triangle with a hypotenuse of 12

has a leg of what length?

Answer: 62

Science-Math Quiz Bowl Questions22. A thermodynamic process that occurs

where temperature remains constant.

Isothermic

Science-Math Quiz Bowl Questions23. 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 Questions25. 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 Questions26. Identify the 3 major types of carbohydrates.

Monosaccharides

Disaccharides

Polysaccharides

Science-Math Quiz Bowl Questions27. 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 Questions28. 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 Questions29. 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 Questions30. 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 Questions31. 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 Questions32. Carbohydrate group that has the following

characteristics: Animal starches (glycogen)Animal starches (glycogen)

Long chains of glucoseLong chains of glucose Does not dissolve in waterDoes not dissolve in water Stored in liver and muscle tissueStored in liver and muscle tissue

Polysaccharides

Science-Math Quiz Bowl Questions33. Which of the following best describes the image of a concave

mirror when the object’s distance from the mirror is less than the focal distance?

a. virtual, upright, and magnification greater than oneb. real, inverted, and magnification less than onec. 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 Questions36. Identify the chemical group having the given

structure:

Ketones

Science-Math Quiz Bowl Questions37. 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 Questions38. 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 Questions39. 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