MACC/SWAC Science Questions
Please Read Aloud: All of the questions in this match are 5-second questions, unless otherwise
noted.
This is the first directed question for team A.
1A.
What is the phenomenon by which materials exert an attractive or repulsive force on other
materials? Begin (magnetism)
This is the first directed question for team B.
1B.
What forms when an electrical charge builds up due to friction between two dissimilar
materials? Begin (static electricity)
This is the second directed question for team A.
2A.
What type of boundary is formed between two tectonic plates moving towards each other?
Begin (convergent or convergent boundary)
This is the second directed question for team B.
2B.
When water boils on the eye of an electric stove, what process of heat transfer is exhibited?
Begin (conduction)
This is the third directed question for team A. You have 20 seconds to answer the question.
3A.
When 8 moles of ammonium nitrate decomposes into diatomic nitrogen, water and
diatomic oxygen, how many grams of diatomic oxygen are produced? Begin (128)
This is the third directed question for team B. You have 20 seconds to answer the question.
3B.
Carbon monoxide reacts with diatomic hydrogen to form methanol, CH3OH. What volume
of diatomic hydrogen, in liters, will be needed to react 3.01 x 1024 of carbon monoxide at
STP? Begin (224)
This is the fourth directed question for team A.
4A.
What tubes allow the egg to pass from the ovaries to the uterus? Begin (Fallopian)
This is the fourth directed question for team B.
4B.
What type of eye problem is defined as myopia? Begin (nearsightedness)
This is the fifth directed question for team A.
5A.
Which color has the shortest wavelength in a rainbow? Begin (violet)
This is the fifth directed question for team B.
5B.
What is the manipulated variable; the variable that is changed on purpose in an
experiment? Begin (independent or independent variable)
MACC/SWAC Science Questions Page 2
This is the sixth directed question for team A.
6A.
At times, the Sun shoots flares of burning gases out into space called what? Begin
(prominences)
This is the sixth directed question for team B.
6B.
What is the brightest star in the night sky? Begin (Sirius or The dog star)
This is the seventh directed question for team A. You have 20 seconds to answer the question.
7A.
What is the mass in grams of 4.5 moles of Carbon-14? Begin (63)
This is the seventh directed question for team B. You have 20 seconds to answer the question.
7B.
What is the Molarity of a solution made of 10 grams of table salt and a final solution
volume of 286 milliliters? Begin (.6)
This is the eighth directed question for team A.
8A.
What disease is characterized by an inflammation of the liver along with symptoms of high
fever and yellow jaundice? Begin (hepatitis)
This is the eighth directed question for team B.
8B.
What part of the tooth contains the nerves and blood vessels? Begin (pulp)
This is the ninth directed question for team A.
9A.
What type of energy is necessary for photosynthesis to occur? Begin (light)
This is the ninth directed question for team B.
9B.
What is the unit of force in the SI system? Begin (Newton)
This is the tenth and final directed question for team A.
10A.
What layer of the atmosphere contains the ozone layer? Begin (stratosphere)
This is the tenth and final directed question for team B.
10B.
What law states that all gases of the same volume at the same temperature and pressure
must contain the same number of molecules? Begin (Avogadro’s)
That ends the portion of the match with directed questions. Coaches, if you have any team
member substitutions, please send those team members to the stage at this time. (Note:
Allow time for substitutes to be seated, introduce substitute team members.)
MACC/SWAC Science Questions Page 3
No form of conferring is allowed during the tossup portion of the match. Conferring includes
sharing of written or verbal information or signals. Please remove all written material
from you team tables. Writing is not permitted during tossup rounds, except in the math
round.
We will now have ten tossup questions. Remember, the person who buzzes in must give the
answer immediately. Please wait until I recognize the team before you give an answer. The
penalty for buzzing in early and giving a wrong answer is minus 2 points, and the question
will then be reread in its entirety to the other team.
This is the first tossup question.
1.
What types of hydrocarbons contain benzene-like rings, in contrast to aliphatic
hydrocarbon? Begin (aromatic)
This is the second tossup question.
2.
What two scientists were famous for developing the first polio vaccine and the first oral
polio vaccine? Begin (Salk or Jonas Salk and Sabin or Albert Sabin)
This is the third tossup question.
3.
How many elements have been discovered? Begin (115)
This is the fourth tossup question.
4.
What principle states that the upthrust acting on an object is equal to the weight of the
fluid that the object displaces? Begin (Archimedes’)
This is the fifth tossup question.
5.
What is the total charge on 1 mole of electrons, equal to 96,487 coulombs? Begin (Faraday)
This is the sixth tossup question.
6.
What is the process of losing water of hydration from a hydrate called? Begin
(efflorescence)
This is the seventh tossup question.
7.
What is the female reproductive organ of a flower made of the ovary, style and stigma?
Begin (pistil)
This is the eighth tossup question.
8.
What is the property of sound that is the persistence of it after its source has stopped?
Begin (echo)
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This is the ninth tossup question.
9.
What law states that the volume of an ideal gas at a constant pressure is proportional to its
Kelvin temperature? Begin (Charles’)
This is the tenth and final tossup question.
(Emcee note – if match is tied after this question go to the three tie breakers at the end of these
questions – use all three, even if tie is broken on first or second question!)
10.
In plants, which type of tissue is responsible for new growth? Begin (meristematic or
meristem)
(SWAC Emcees only – Ask if there are any appeals)
EMERGENCY QUESTIONS (To be used in an emergency only –DO NOT USE AS EXTRA TIE
BREAKERS – but they can be used in place of tie breakers as they would be used if a
question has a mistake, if the emcee “flubs” a question, etc.):
You have 5 seconds to answer this question.
1.
The acronym sonar stands for what? Begin (Sound Navigation and Ranging)
You have 5 seconds to answer this question.
2.
Minerals in this group bubble when hydrochloric acid is dropped on them. Which mineral
group is made of elements combined with carbon and oxygen? Begin (carbonates)
TIE BREAKERS(To be used in cases of tie games – use all three questions, even if the tie is
broken with the first or second question; in case teams are still tied at the end of these
three questions – the game remains a tie.):
This is the first tiebreaker question.
1.
What is the chemical name for vinegar? Begin (acetic acid)
This is the second tiebreaker question.
2.
What are membranous areas in the human cranial bones that do not form bony structures
until the child is 14 to 18 months old; know as "soft spots?" Begin (fontanels)
This is the third tiebreaker question.
3.
Objects that reduce the heat flow between materials are called what? Begin (insulators)