Round #4 Flashcards

1
Q

1) Earth and Space – Short Answer Discovered in the early 1600s, the four
Galilean [gal-ih-LAY-en] moons orbit what planet?

A

ANSWER: JUPITER

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

1) Earth and Space – Multiple Choice Which of the following types of stars is expected to last
for the longest time in its current stage of stellar evolution?
W) Red giant
X) Blue supergiant
Y) Yellow dwarf
Z) Red dwarf

A

ANSWER: Z) RED DWARF

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

2) Life Science – Multiple Choice In humans, olfactory receptors are primarily located in
which of the following locations?
W) Mouth
X) Lungs
Y) Nose
Z) Ears

A

ANSWER: Y) NOSE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

2) Life Science – Short Answer What is the term for the process by which bacteria divide into
two cells?

A

ANSWER: BINARY FISSION

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

3) Physical Science – Short Answer What is the chemical symbol for the element chlorine?

A

ANSWER: Cl

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

3) Physical Science – Short Answer Identify all of the following four quantities that are
conserved during the electrolysis of water: 1) Moles of reagents [ree-AY-jents]; 2) Mass;
3) Energy; 4) Entropy

A

ANSWER: 2, 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

4) Energy – Short Answer Scientists at SLAC National Accelerator Lab used energetic X-rays
to punch electrons out of water molecules. The water goes through a phase transition from liquid
to an electrically charged gas, also known as what?

A

ANSWER: PLASMA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

4) Energy – Short Answer Geochemists at Pacific Northwest National Lab are studying the
mixing between groundwater and river water. This phenomenon can only occur when what
specific level, the upper surface of the zone of saturation, is at the surface of a river bed?

A

ANSWER: WATER TABLE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

5) Math – Short Answer What is the greatest integer less than or equal to the log
base 5 of 1234?

A

ANSWER: 4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

5) Math – Short Answer Solve the following equation for x: x2 + 6x – 216 = 0

A

ANSWER: –18, 12 (must give both answers)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

6) Earth and Space – Short Answer Chalcopyrite [kalka-PIE-rite] is the primary ore of what
element commonly used to produce wire?

A

ANSWER: COPPER

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

6) Earth and Space – Short Answer Identify all of the following three rock types that typically
contain clay minerals: 1) Igneous; 2) Metamorphic; 3) Sedimentary

A

ANSWER: 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

7) Life Science – Short Answer What hormone is secreted by the beta cells of the pancreas in
response to increased levels of blood sugar?

A

ANSWER: INSULIN

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

7) Life Science – Short Answer In a plant’s root tip, what type of cell division would one
expect to be nearly constantly occurring?

A

ANSWER: MITOSIS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

8) Energy – Short Answer Scientists at Argonne National Lab are building 3D structures of
proteins associated with infectious diseases. What technique do they use with the Advanced
Photon Source to determine these crystal structures?

A

ANSWER: X-RAY CRYSTALLOGRAPHY

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

8) Energy – Short Answer Scientists at Brookhaven National Lab are studying the structure of
the replisome [REH-plih-sohm] within the cell’s nucleus. The replisome forms in order to
synthesize what molecule?

A

ANSWER: DNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

9) Earth and Space – Short Answer What is the name for the spherical region around a black
hole past which no information can be transmitted to an outside observer?

A

ANSWER: EVENT HORIZON (ACCEPT: SCHWARZSCHILD RADIUS)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

9) Earth and Space – Multiple Choice In which of the following parts of the Milky Way is the
solar system located?
W) Core
X) Spiral arm
Y) Between spiral arms
Z) Galactic halo

A

ANSWER: X) SPIRAL ARM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

10) Physical Science – Short Answer What is the term for an object’s tendency to resist
changes in its motion?

A

ANSWER: INERTIA

20
Q

10) Physical Science – Multiple Choice A recipe calls for 5 cups of flour. A baker measures
and adds a quantity of flour to a mixing bowl 5 times. Afterward, the quantity of flour in the
bowl is measured and determined to be 5 cups. If the same thing happens on repeated attempts to
make the recipe, which of the following is a correct description of the baker’s measurements?
W) Neither accurate nor precise
X) Accurate, but not precise
Y) Precise, but not accurate
Z) Both accurate and precise

A

ANSWER: Z) BOTH ACCURATE AND PRECISE

21
Q

11) Math – Short Answer Simplify the following expression: 10 – 2 times 3

A

ANSWER: 4

22
Q

11) Math – Short Answer Mary decorates cookies at a rate of 20 per hour and John decorates
them at a rate of 15 per hour. If John has a two-hour head start and they both then work
continuously, after how many hours from the time she starts will Mary have decorated the same
number of cookies as John?

A

ANSWER: 6

23
Q

12) Energy – Short Answer Scientists at Fermi National Accelerator Lab have been
developing a next-generation lens to replace octupole magnets that are used to focus proton
beams in particle accelerators. These magnets are a circular arrangement of how many magnets?

A

ANSWER: EIGHT

24
Q

12) Energy – Short Answer Scientists at Idaho National Lab have developed a new method to
refine biodiesel. The solvent in this method is composed of a high-pressure phase of what
molecule in which carbon is in its +4 oxidation state?

A

ANSWER: CARBON DIOXIDE (ACCEPT: CO2)

25
Q

13) Physical Science – Short Answer Given that the chemical formula of glucose is C6H12O6,
what is its empirical formula?

A

ANSWER: CH2O

26
Q

13) Physical Science – Short Answer At STP, how much volume, in liters, does 4 moles of an
ideal gas occupy?

A

ANSWER: 89.6

27
Q

14) Life Science – Short Answer A certain cell’s primary responsibility is to produce a
hormone for the rest of the body. To what organ system does this cell most likely belong?

A

ANSWER: ENDOCRINE

28
Q

14) Life Science – Short Answer What type of ecological succession typically happens after a
forest fire?

A

ANSWER: SECONDARY SUCCESSION

29
Q

15) Earth and Space – Short Answer The Modified Mercalli [mayr-CAH-lee] scale is used to
measure the intensity of what?

A

ANSWER: EARTHQUAKES

30
Q

15) Earth and Space – Short Answer How many high tides and how many low tides occur at a
location with a semidiurnal [SEM-EE-dye-URN-al] tidal pattern each lunar day?

A

ANSWER: TWO HIGH TIDES AND TWO LOW TIDES

31
Q

16) Math – Short Answer Julie brings 24 candy bars to class and divides them so that each of
her classmates receives an equal share of 3/4 of a bar. How many classmates does Julie have?

A

ANSWER: 32

32
Q

16) Math – Short Answer What is the least common multiple of 14, 15, and 18?

A

ANSWER: 630

33
Q

17) Physical Science – Multiple Choice Your friend rubs a balloon on your head and your hair
sticks to the balloon due to static electricity. This occurs because which of the following particles
has been exchanged between your hair and the balloon?
W) Electrons
X) Protons
Y) Neutrons
Z) Quarks

A

ANSWER: W) ELECTRONS

34
Q

17) Physical Science – Short Answer A particle is moving with a horizontal velocity of 12
meters per second and a vertical velocity of –5 meters per second. In meters per second, what is
its speed?

A

ANSWER: 13

35
Q

18) Life Science – Short Answer A small subset of a population of organisms might migrate
to another location, resulting in their descendants having different allele frequencies than the
larger population from which the migrants came. What is the term for this effect?

A

ANSWER: FOUNDER EFFECT

36
Q

18) Life Science – Short Answer You measure someone’s pulse for 10 seconds and feel 15
beats. What is the person’s heart rate as measured in beats per minute?

A

ANSWER: 90

37
Q

19) Math – Short Answer A triangle has two angles measuring 32 and 77 degrees,
respectively. What is the degree measure of the third angle?

A

ANSWER: 71

38
Q

19) Math – Short Answer Your electric car has a range of 310 miles on a full battery. If you
start driving with 18% of your battery drained, to the nearest mile, how far can you drive before
the battery dies?

A

ANSWER: 254

39
Q

20) Physical Science – Short Answer For a standing wave, what is the term for points of
maximum displacement?

A

ANSWER: ANTINODES

40
Q

20) Physical Science – Short Answer To two significant figures and in amperes, how much
current will a 100-watt light bulb draw from a 120-volt power supply?

A

ANSWER: 0.83

41
Q

21) Earth and Space – Short Answer What theory is the most accepted scientific viewpoint
regarding the origin of the universe from an infinitely dense and hot point?

A

ANSWER: BIG BANG

42
Q

21) Earth and Space – Short Answer While observing a total solar eclipse, in what part of the
eclipse shadow do you observe this event?

A

ANSWER: UMBRA

43
Q

22) Life Science – Short Answer What type of fossil, due to its wide geographic distribution
and short period of existence, is used by scientists to compare the relative age of other fossils?

A

ANSWER: INDEX FOSSIL

44
Q

22) Life Science – Short Answer What group of pathogens possesses nucleic acids but not
ribosomes?

A

ANSWER: VIRUSES

45
Q

23) Math – Short Answer What is the multiplicative inverse of –11/5?

A

ANSWER: –5/11

46
Q

23) Math – Short Answer From the Earth, you measure a change in the Moon’s position
of 18 degrees over two hours. Assuming the Moon is 380,000 kilometers away from the Earth,
and rounding your answer to the nearest ten thousand, then, from your point of view, how many
kilometers does it seem that the Moon has moved during your observation?

A

ANSWER: 120,000