Science Part 2 Flashcards
1
Q
$400 ||| Category: SCIENCE ||| This inert gas alters your voice because sound travels more than twice as fast in it as in air
A
helium
2
Q
$800 ||| Category: SCIENCE ||| Lignin, a substance in wood, changes when exposed to oxygen; that makes white paper turn this color as it ages
A
yellow
3
Q
$1200 ||| Category: SCIENCE ||| (<a>Sarah of the Clue Crew gives the clue as she and Kelly demonstrate a potato gun.</a>) A potato gun demonstrates Boyle’s Law using a simple tube & a stick; pushing the stick reduces the volume of air and increases this 8-letter term, making the potato go ballistic
A
pressure
4
Q
$1600 ||| Category: SCIENCE ||| Slow-motion video shows this bug evading a swat in 250 milliseconds; for 240 of those, it’s repositioning itself to jump
A
a fly
5
Q
$1000 ||| Category: SCIENCE ||| It’s the form of glucose that rotates a plane of polarized light clockwise
A
dextrose
6
Q
$400 ||| Category: SCIENCE ||| They’re also called erythrocytes
A
red blood cells
7
Q
$3200 ||| Category: SCIENCE ||| The name of this noble gas is from the Greek for “new”
A
neon
8
Q
$1200 ||| Category: SCIENCE ||| The Haber process uses nitrogen & hydrogen to synthetically produce this pungent gas
A
ammonia
9
Q
$1600 ||| Category: SCIENCE ||| (<a>Jimmy of the Clue Crew displays a chemical formula on the monitor.</a>) When acetic acid in vinegar reacts with CaCO3, this compound in the eggshell, bubbles of CO2 form in the vinegar & dissolve the shell, leaving just the membrane
A
calcium carbonate
10
Q
$2000 ||| Category: SCIENCE ||| This unit of pressure is equal to about 14.7 pounds per square inch or 1 bar
A
one atmosphere
11
Q
$400 ||| Category: SCIENCE ||| In November 2009 science news, a NASA probe found water here, & not a little bit, either
A
the Moon
12
Q
$800 ||| Category: SCIENCE ||| (<a>Sarah of the Clue Crew demonstrates.</a>) The flame appears to be underwater, but actually the water is cooling the candle’s outer layer, preventing the wax from burning, because it can’t do this, from the Latin for “to disperse to vapor”
A
evaporate
13
Q
$1200 ||| Category: SCIENCE ||| About 65% of iron in humans is in the form of this, which transports molecular oxygen from the lungs through the body
A
hemoglobin
14
Q
$2000 ||| Category: SCIENCE ||| (<a>Kelly of the Clue Crew demonstrates.</a>) The keys weigh much more than the paper clips and fall to the ground, but a pencil acts as this support, pulling the clips sideways, where gravity & friction stop the keys’ descent
A
a fulcrum
15
Q
$2000 ||| Category: SCIENCE ||| It’s the largest number in the Fibonacci sequence that’s also a day in a month
A
21
16
Q
$400 ||| Category: SCIENCE ||| A hemodialyzer is a medical device known as an artificial this organ
A
a kidney
17
Q
$800 ||| Category: SCIENCE ||| (<a>Sarah of the Clue Crew demonstrates.</a>) An egg sinks in tap water, but in saltwater, the egg gains this, defined as the upward force of a liquid on an object less dense than itself
A
buoyancy
18
Q
$1200 ||| Category: SCIENCE ||| The second law of thermodynamics says that this will of its own accord only move to a colder object
A
heat
19
Q
$1600 ||| Category: SCIENCE ||| (<a>Kelly of the Clue Crew demonstrates.</a>) When you press the nozzle of an aerosol can, the contents are pushed out by pressurized gas; the gas is called one of these, a general term for chemicals that create thrust
A
a propellant
20
Q
$2000 ||| Category: SCIENCE ||| This division separates Saturn’s rings & is named for the man who spotted them in 1675
A
the Cassini division
21
Q
$400 ||| Category: SCIENCE ||| The word rubber comes from the discovery that the stuff could be used to rub out marks made with this
A
pencil
22
Q
$800 ||| Category: SCIENCE ||| As it’s caused by a lack of niacin, pellagra is termed this type of deficiency disease
A
vitamin deficiency
23
Q
$1200 ||| Category: SCIENCE ||| In parts of the Caribbean, these are on a diurnal cycle: one high, one low a day, that’s it
A
tides
24
Q
$2500 ||| Category: SCIENCE ||| It’s a substance that conducts current; sodium & potassium are 2 of the ones Gatorade restores to your body
A
an electrolyte
25
$2000 ||| Category: SCIENCE ||| Dimitri Mendeleyev made modern chemistry possible when he set this grouping of the elements
the periodic table
26
$400 ||| Category: SCIENCE ||| This green pigment is required for photosynthesis
chlorophyll
27
$800 ||| Category: SCIENCE ||| One meter equals 39.37 of these
inches
28
$3000 ||| Category: SCIENCE ||| Fructose is a monosaccharide, a simple one of these
a sugar
29
$2000 ||| Category: SCIENCE ||| pH, the measure of acidity, stands for "potential of" this most abundant element
hydrogen
30
$400 ||| Category: SCIENCE ||| Black spot is a serious fungal disease that affects these flowers; rugosas have good resistance
roses
31
$800 ||| Category: SCIENCE ||| Polarized lenses are one method used in these items that make some movie theater experiences more exciting
3-D movies
32
$1200 ||| Category: SCIENCE ||| William Jennings Bryan called this theory a "program of infidelity masquerading under the name of science"
evolution
33
$1600 ||| Category: SCIENCE ||| With cups that rotate horizontally, an anemometer measures the speed of this, anemos in Greek
wind
34
$2000 ||| Category: SCIENCE ||| Don't blame me--the most common cause of earthquakes is movement along these lines
fault lines
35
$400 ||| Category: SCIENCE ||| Of copper, iron or aluminum, the one that would be most attracted to a magnet
iron
36
$800 ||| Category: SCIENCE ||| In a month, this object ranges from about 225,000 miles to 252,000 miles from the Earth
the Moon
37
$1200 ||| Category: SCIENCE ||| (Jimmy of the clue tries to crack a whip.) Like a jet plane traveling faster than mach 1, a whip makes a cracking noise because it's traveling faster than the speed of this
sound
38
$1600 ||| Category: SCIENCE ||| By definition, it's what a carnivore eats
meat
39
$2000 ||| Category: SCIENCE ||| (Sarah of the Clue Crew levitates a ping-pong ball over a hair dryer.) What goes up stays up when the force of air moving up from the hair dryer equals this force pulling down on the ping-pong ball
gravity
40
$200 ||| Category: SCIENCE ||| He was in Shanghai in 1921 when he found out he had won a Nobel Prize for Physics
Einstein
41
$400 ||| Category: SCIENCE ||| Isaac Newton published his first mathematical formulation for this fundamental force in 1687
gravity
42
$600 ||| Category: SCIENCE ||| In 1996 (seems late) researchers announced a new one of these body parts, the spheno-mandibularis
a muscle
43
$800 ||| Category: SCIENCE ||| During an epidemic of this disease in 1796, Edward Jenner discovered the power of vaccines & used it to save lives
smallpox
44
$1000 ||| Category: SCIENCE ||| When boiling water, energy absorbed that escapes as vapor is this type of heat, from Latin latere, "to hide"
latent energy
45
$400 ||| Category: SCIENCE ||| (Jimmy of the Clue Crew discusses earthquakes.) The hypocenter is where an earthquake originates. The point on the surface, vertically above the hypocenter, is known as this
the epicenter
46
$800 ||| Category: SCIENCE ||| Termed "The Last Sorcerer" in a recent biography, in 1705 he became the first scientist to be knighted for his work
Isaac Newton
47
$1200 ||| Category: SCIENCE ||| (Kelly of the Clue Crew presents the clue.) Because of the intense magnetic fields that block heat from the core, these solar phenomena can be thousands of degrees cooler than the surrounding surface
sunspots
48
$1200 ||| Category: SCIENCE ||| From the Latin for "about a day", these body rhythms govern cycles of wakefulness & sleep
circadian rhythms
49
$2000 ||| Category: SCIENCE ||| (Jimmy of the Clue Crew presents the clue.) Carbon, one of the most common elements, has been discovered in 60-atom configurations called these, named for an architect
buckyballs (fullerenes)
50
$200 ||| Category: SCIENCE ||| Each of these organs contains about 1 million nephrons, which filter blood
the kidneys
51
$400 ||| Category: SCIENCE ||| (Jon of the Clue Crew sucks on a straw in a sealed-up bottle that has a marshmallow inside.) The marshmallow in the bottle will expand when I suck on the straw because this property inside the bottle will decrease
(air) pressure
52
$600 ||| Category: SCIENCE ||| These were first seen in human cells in 1882; the exact number, 46, was determined in 1956
chromosomes
53
$800 ||| Category: SCIENCE ||| (Jon of the Clue Crew pushes a straw into a cupcake, then extracts the result.) Using a cupcake & straw, we're approximating 1 of these 2-word scientific readings used in undersea & underground prospecting
core sampling
54
$1000 ||| Category: SCIENCE ||| In 1758 this Swedish biologist introduced binomial nomenclature
Linnaeus
55
$400 ||| Category: SCIENCE ||| Around 1910 Thomas Morgan found that these hereditary units are located on chromosomes within cells
genes
56
$800 ||| Category: SCIENCE ||| Some minerals can readily be identified by taste; halite has this type of taste
salty
57
$1200 ||| Category: SCIENCE ||| Cilia later! These long hairlike extensions help bacteria move by means of a whipping motion
flagella
58
$5000 ||| Category: SCIENCE ||| Sugars, alcohols & starches are all formed by different combos of these 3 elements
hydrogen, carbon & oxygen
59
$2000 ||| Category: SCIENCE ||| The fundamental forces are electromagnetism, gravity & these 2 "opposite" nuclear forces
the strong & the weak
60
$200 ||| Category: SCIENCE ||| It's what the "L" stands for in "laser"
light
61
$400 ||| Category: SCIENCE ||| The Celsius temperature scale is also called this, meaning "divided into one hundred parts"
centigrade
62
$600 ||| Category: SCIENCE ||| (Cheryl of the Clue Crew performs a science experiment.) By mixing baking soda, a chemical base, with the acid in the lime juice, this gas is produced, resulting in a bubbly liquid
carbon dioxide
63
$800 ||| Category: SCIENCE ||| This one of the simple machines is made by using a wheel & a rope
a pulley
64
$1000 ||| Category: SCIENCE ||| Shock researcher Walter Cannon coined this word for an organism's ability to maintain internal equilibrium
homeostasis
65
$400 ||| Category: SCIENCE ||| A whole lot of shakin' goes on in this science that deals almost exclusively with earthquakes
seismology
66
$800 ||| Category: SCIENCE ||| Mass number is defined as the number of neutrons & these particles in an atom's nucleus
protons
67
$1200 ||| Category: SCIENCE ||| Like you, dicotyledonous plants have a network of these, but theirs carry food & water
veins
68
$1400 ||| Category: SCIENCE ||| Pauling found an "alpha" type of this spiral in proteins; Watson & Crick found a "double" one in DNA
a helix
69
$2000 ||| Category: SCIENCE ||| (Jimmy of the Clue Crew explains a chemical reaction) A chemical reaction between food coloring and bleach, which contains this chemical, NaClO3, turns the color liquid into a colorless compound
sodium chlorate
70
$400 ||| Category: SCIENCE ||| (Kelly of the Clue Crew demonstrates a science experiment.) When the glass is pushed into the water, molecules of this don't escape, but are pressed together and act as a shield between the water and the paper, keeping it dry
air
71
$800 ||| Category: SCIENCE ||| The 2nd law of this covers equal distribution of resources; thus cream in coffee blends evenly even when not stirred
thermodynamics
72
$1200 ||| Category: SCIENCE ||| (Sarah of the Clue Crew demonstrates a science experiment.) The iron wire heats up as electricity flows through it; if you shorten the wire, it melts a result of this electrical condition, an excess flow of charge
a short circuit
73
$1600 ||| Category: SCIENCE ||| Part of a corkscrew is this type of simple machine reworked into a spiral form
an inclined plane (ramp later ruled acceptable)
74
$2000 ||| Category: SCIENCE ||| (Sarah of the Clue Crew demonstrates a science experiment.) Using a centuries-old experiment, pour water into a cup, to specifically illustrate this Newtonian law
Newton's 3rd Law of Motion
75
$200 ||| Category: SCIENCE ||| (Kelly of the Clue Crew demonstrates with a coffee can & an inclined plane.) A ball of clay inside the can is enough to reposition the can's natural center of this, so the can rolls uphill
gravity
76
$400 ||| Category: SCIENCE ||| Every second, fusion reactions in the Sun convert about 600 million tons of this element into helium
hydrogen
77
$600 ||| Category: SCIENCE ||| Edward Doisy won a 1943 Nobel Prize for synthesizing this hemorrhage-inhibiting vitamin; isn't that "special"?
vitamin K
78
$800 ||| Category: SCIENCE ||| Of the 3 basic rock types, the type that was once one form but has changed to another due to heat & pressure
metamorphic
79
$1000 ||| Category: SCIENCE ||| (Jon of the Clue Crew holds a white rock at White Sands National Monument, New Mexico.) Because it's water-soluble, this form of calcium sulfate is rarely found in sand, but here in New Mexico's Tularosa Basin, there are no rivers to carry it away, so it forms the famed white sand
gypsum
80
$400 ||| Category: SCIENCE ||| You have "receptors" in your ears for this fundamental force, & they get upset when you're weightless
gravity
81
$800 ||| Category: SCIENCE ||| (Kelly of the Clue Crew reports from the Jeopardy! science lab.) Iodine reacts with this carbohydrate in food; if it's present, the iodine turns a bluish-black color
starch
82
$1200 ||| Category: SCIENCE ||| Darwin defined it as "preservation of favorable variations and the rejection of injurious variations"
natural selection
83
$1600 ||| Category: SCIENCE ||| (Kelly of the Clue Crew rubs a balloon on her hair in the Jeopardy! science lab.) Rubbing a balloon builds up electrons that then attract this type of particle in a metal can, from the Greek for "first"
protons
84
$2000 ||| Category: SCIENCE ||| Below the atmosphere is this "sphere", from the Greek for "stone"
the lithosphere
85
$400 ||| Category: SCIENCE ||| It's the weakest of the 4 basic forces, but it's strong enough to keep the moon orbiting the Earth
gravity
86
$800 ||| Category: SCIENCE ||| A cubic inch of material contains a million billion billion of these, each with protons & neutrons in its nucleus
atoms
87
$1200 ||| Category: SCIENCE ||| (Jon of the Clue Crew puts a lid on it--literally.) The candle in the small jar will burn out first because it has the least amount of this to burn
oxygen
88
$1600 ||| Category: SCIENCE ||| Changes in the tropospheric layer of this are what gives us weather
the atmosphere
89
$2000 ||| Category: SCIENCE ||| (Jon of the Clue Crew reports from Texas A&M.) To test deep water structures the wave tank generates waves, wind, and this water flow,from the Latin for running
currents
90
$400 ||| Category: SCIENCE ||| The third law of thermodynamics implies that a system can never be brought to this temperature point
absolute zero
91
$800 ||| Category: SCIENCE ||| In 2006, Israeli scientists claimed to have created the "ball" type of this stormy phenomenon using a microwave oven
a lightning storm
92
$1200 ||| Category: SCIENCE ||| This type of "cell" sounds like it causes disease, but it refers to a gamete, such as an egg cell
a germ cell
93
$2021 ||| Category: SCIENCE ||| We went underground to learn that this unit is equal to about 6.022 x 1023 molecules of a given substance
a mole
94
$2000 ||| Category: SCIENCE ||| In 2007 Intel announced a new faster chip design replacing silicon with this element, symbol Hf
hafnium
95
$200 ||| Category: SCIENCE ||| ( Kelly of the Clue Crew delivers the clue from a science lab. ) The heat from the lamp causes the snake to dance, as hot air is less this five-letter term than cold air and therefore rises and spins the snake
dense
96
$400 ||| Category: SCIENCE ||| In the nervous system, calcium ions crossing the gap between these cause a release of acetylcholine
neurons
97
$600 ||| Category: SCIENCE ||| ( Kelly delivers the clue from the lab. ) Normally, an ice cube floats; this one, however, sinks right to the bottom because it's made of heavy water, or D2O; the D standing for this isotope
deuterium
98
$800 ||| Category: SCIENCE ||| As opposed to what arthropods have, vertebrates have this internal framework
endoskeleton
99
$1000 ||| Category: SCIENCE ||| ( Jimmy of the Clue Crew delivers the clue. ) Though the top book appears to be suspended in air, more than half the weight of the stack rests on the table - the principle is used to build this type of bridge
cantilever bridge
100
$400 ||| Category: SCIENCE ||| The fishlike amphioxus has a structure called a notochord which in humans develops into this column
the spinal column
101
$800 ||| Category: SCIENCE ||| Newton's Third Law of Motion is usually quoted as "For every action there is" this 3-word type of "reaction"
equal and opposite
102
$2000 ||| Category: SCIENCE ||| In geologic theory, the Earth's outer shell has about 12 big these, moving around tectonically
plates
103
$1600 ||| Category: SCIENCE ||| Boric acid, a weak acid, is used as this bacteria-killing infection-preventing type of substance
antiseptic
104
$2000 ||| Category: SCIENCE ||| This unit represents the explosive power of 2 billion pounds of TNT
megaton
105
$200 ||| Category: SCIENCE ||| This type of rain forms when nitrogen oxides & sulfur dioxide react within growing droplets
acid rain
106
$400 ||| Category: SCIENCE ||| (Jon of the Clue Crew points to two diagrams of the Earth's tilt on the monitor.) Because of the tilt of the Earth's axis both in summer & winter, solar panels in the United States facing this direction receive the most sun
south
107
$600 ||| Category: SCIENCE ||| This branch of study is for the birds... actually, it's of the birds
ornithology
108
$800 ||| Category: SCIENCE ||| In 1633 the Church condemned him to house arrest for astronomical heresy
Galileo
109
$1000 ||| Category: SCIENCE ||| (Kelly of the Clue Crew reading points to a fly's eye on the monitor.) An insect's compound eye can detect 300 flashes of light per second compared to a human's 50, using thousands of tiny lenses known as these, as in a diamond
a facet
110
$400 ||| Category: SCIENCE ||| The universe's background radiation is thought to be left over from this primordial event
the Big Bang
111
$800 ||| Category: SCIENCE ||| Electrically speaking, it's the opposite of resistivity
conductance
112
$1200 ||| Category: SCIENCE ||| Ossification, the formation of this, begins in the embryo at the end of the second month
bone
113
$1600 ||| Category: SCIENCE ||| C2H5, it's found before "alcohol" & is a homophone of a female first name
ethyl
114
$2000 ||| Category: SCIENCE ||| (Kelly of the Clue Crew indicates a formula on a monitor.) In Newton's law, "F" is the attractive force, "G" is the gravitational constant, "m" is the masses of two bodies, & "d" stands for this
distance
115
$400 ||| Category: SCIENCE ||| Into the 20th Century it was thought the universe was one big galaxy--this one
the Milky Way
116
$2000 ||| Category: SCIENCE ||| (Jon of the Clue Crew enlightens us with his scientific knowledge) It's a term for a machine that converts mechanical energy into electrical energy. We've turned a motor into one by making it light up the bulb
a generator
117
$1200 ||| Category: SCIENCE ||| Vauquelin found Beryllium in 1798, the year after he found this, symbol Cr
Chromium
118
$1600 ||| Category: SCIENCE ||| (Jimmy is in his Jeopardy! lab coat delivering the clue this time) You can take a simple nail, coil wire around it, connect it to a battery, and turn it into this attractive 13-letter item
an electromagnet
119
$2000 ||| Category: SCIENCE ||| Predicted in 1928, the first known antiparticle was the anti-this, also called the positron
the antielectron
120
$200 ||| Category: SCIENCE ||| The opposite of a base, it turns blue litmus red
an acid
121
$400 ||| Category: SCIENCE ||| Jaundice can be a symptom of this liver disease, type A, B or C
hepatitis
122
$600 ||| Category: SCIENCE ||| The 10th to 12th of these body parts that form a "cage" articulate with single vertebrae
ribs
123
$800 ||| Category: SCIENCE ||| Echocardiography can tell you whether this doublespeak heart issue is caused by an abnormal valve
heart murmur
124
$3000 ||| Category: SCIENCE ||| Also known as epinephrine, this hormone is secreted in response to stress, like fear or injury
adrenaline
125
$None ||| Category: SCIENCE ||| The symbol of this element first isolated in 1783 comes from its German name
tungsten
126
$200 ||| Category: SCIENCE ||| This medal metal is usually an alloy of tin & copper
bronze
127
$400 ||| Category: SCIENCE ||| (Jon of the Clue Crew reports from Copenhagen, Denmark.) In 1883, Carlsberg developed Saccharomyces carlsbergensis, a special strain of this to ferment the sugars in beer
yeast
128
$1000 ||| Category: SCIENCE ||| In testing out gases by smelling them (not a good idea) Humphry Davy found in 1800 that this one made him feel giddy
nitrous oxide (or laughing gas)
129
$800 ||| Category: SCIENCE ||| The name of this disorder in which the bones become porous comes from the Greek for "bone" & "passage"
osteoporosis
130
$1000 ||| Category: SCIENCE ||| In astronomy, this unit of measure is abbreviated pc
parsec
131
$400 ||| Category: SCIENCE ||| At sea level at 70 degrees this travels 1,129 feet per second; it speeds up over 1 foot per sec. for each rising degree
sound
132
$800 ||| Category: SCIENCE ||| The largest tree, the General Sherman in California, is this type, also called a Sierra Redwood
a sequoia
133
$1200 ||| Category: SCIENCE ||| (Sarah of the Clue Crew reads from the pole vault at Duke University's track in Durham, NC.) In bending an elastic solid, stress is the force causing deformation & this is the 6-letter term for the deformation
strain
134
$1600 ||| Category: SCIENCE ||| 6 elements once known as inert gases are now known by this aristocratic name
noble gases
135
$2000 ||| Category: SCIENCE ||| (A honey-colored retriever named Max tries to lick Cheryl of the Clue Crew as she pets him at NC State University in Raleigh, NC.) Veterinarians refer to this area of an animal's body as the posterior or this region, from the Latin for "the tail"
the caudal region
136
$400 ||| Category: SCIENCE ||| An enzyme in saliva called ptyalin converts these into maltose, a sugar
carbohydrates (or starches)
137
$800 ||| Category: SCIENCE ||| A dry Sirocco is a warm wind that carries particles of sand from this African desert across the Mediterranean
the Sahara
138
$1200 ||| Category: SCIENCE ||| In 1729 this Swede wrote "Praeludia Sponsaliorum Plantarum", which described the sexual processes of plants
Linnaeus
139
$1600 ||| Category: SCIENCE ||| (Leroy Chow aboard the International Space Station reads the clue.) We breathe thanks to this process: electricity from the solar panels splits water into hydrogen & oxygen
electrolysis
140
$2000 ||| Category: SCIENCE ||| This metal's name is from the Greek for "rose"; it forms salts that give rose-colored solutions
rhodium
141
$400 ||| Category: SCIENCE ||| A deuterium atom is a hydrogen atom that has this keeping its proton company in the nucleus
a neutron
142
$800 ||| Category: SCIENCE ||| This largest nerve in the body arises in the sacral plexus, leaves the pelvis & runs down the thigh
the sciatic
143
$1200 ||| Category: SCIENCE ||| Bears appeared during this epoch right before the Pliocene
the Miocene
144
$1600 ||| Category: SCIENCE ||| (Jimmy of the Clue Crew reports from a classroom.) Meaning not at a right angle, it can refer to slanting abdominal muscles, or a geometric angle like this
oblique
145
$2000 ||| Category: SCIENCE ||| It equals mass divided by volume & is often expressed in pounds per cubic foot
density
146
$200 ||| Category: SCIENCE ||| Cosmic rays were first detected by V. F. Hess during a flight by one of these
a hot air balloon
147
$400 ||| Category: SCIENCE ||| The crepe ring is the transparent C ring in this planet's ring system
Saturn
148
$600 ||| Category: SCIENCE ||| Albert Ghiorso at Lawrence Berkeley National Lab holds the record for discovering the most of these
elements
149
$800 ||| Category: SCIENCE ||| In MS-DOS, the .bak file extension meant the file was this type
back-up file
150
$1800 ||| Category: SCIENCE ||| An isohel on a weather map is a line showing connecting places with an equal amount of this
sunshine
151
$400 ||| Category: SCIENCE ||| It's that line off in the distance where the sky meets the land or the sea
the horizon
152
$800 ||| Category: SCIENCE ||| What makes Rigel the brightest star in this constellation is that it's really 3 stars (& they're not in the belt)
Orion
153
$1200 ||| Category: SCIENCE ||| In the 1970s it was found that when CFCs break down, this is the main 1 of the 3 elements in them that harms the ozone
chlorine
154
$1600 ||| Category: SCIENCE ||| Amoebas use temporary extensions called these to move or to surround & engulf food
pseudopods
155
$2200 ||| Category: SCIENCE ||| This amino acid is the sodium salt of glutamic acid
monosodium glutamate (or MSG)
156
$400 ||| Category: SCIENCE ||| This thermometer developer discovered that the boiling point of a liquid varies with atmospheric pressure
Fahrenheit
157
$800 ||| Category: SCIENCE ||| Of the noble gases, this one has the lowest atomic weight
helium
158
$1200 ||| Category: SCIENCE ||| From 1838 to 1841 this naturalist was Secretary of the Geological Society of London
Darwin
159
$1600 ||| Category: SCIENCE ||| This 2-letter-named moon of Jupiter is the most volcanically active body in the solar system
Io
160
$2000 ||| Category: SCIENCE ||| Kelp is an especially rich source of this halogen
iodine
161
$400 ||| Category: SCIENCE ||| In the early 1830s Michael Faraday found that a moving one of these can produce an electric current
magnet
162
$800 ||| Category: SCIENCE ||| In 1953 Watson & Crick built a model of the molecular structure of this, the gene-carrying substance
DNA
163
$1200 ||| Category: SCIENCE ||| In 2002 an 800-mile-diameter planetoid called Quaoar was found 1 billion miles past this 1430-mile-diameter planet
Pluto
164
$1600 ||| Category: SCIENCE ||| In the 1920s scientists discovered fossilized dinosaur eggs in this huge Mongolian desert
Gobi
165
$4000 ||| Category: SCIENCE ||| Among the compounds called alkanes, the hexanes are C6H14 -- & these hydrocarbons are C8H18
octanes
166
$200 ||| Category: SCIENCE ||| These electromagnetic rays used to take pictures of your insides were originally known as Roentgen rays
X-rays
167
$400 ||| Category: SCIENCE ||| This German-born American physicist won the 1921 Nobel Prize for Physics
Albert Einstein
168
$600 ||| Category: SCIENCE ||| When combined with oxygen, this lightest chemical element makes water
hydrogen
169
$800 ||| Category: SCIENCE ||| Also a term for someone from Warsaw, it's one of the 2 strongest points in a magnetic field
Pole
170
$1000 ||| Category: SCIENCE ||| The symbol of this radioactive element is Pu & it sounds like it's named after Mickey Mouse's dog
plutonium
171
$200 ||| Category: SCIENCE ||| The leatherback variety of this reptile is one of the few animals that primarily eat jellyfish
turtle/tortoise
172
$400 ||| Category: SCIENCE ||| This "prefrontal" medical procedure involves the destruction of sections of the brain's cortex
lobotomy
173
$600 ||| Category: SCIENCE ||| This process of making rubber harder & more elastic by heating it with sulfur bears the name of a Roman god
vulcanization
174
$800 ||| Category: SCIENCE ||| His 1543 book "Concerning the Revolutions of the Celestial Spheres" started an astronomical revolution
Nicholas Copernicus
175
$1000 ||| Category: SCIENCE ||| The process by which neutral atoms become electrically charged is called this
ionization
176
$None ||| Category: SCIENCE ||| As it has no mass, this particle travels at about 186,000 miles per second
photon
177
$200 ||| Category: SCIENCE ||| The vast majority of this second-lightest gas comes from natural gas fields in the U.S.
helium
178
$400 ||| Category: SCIENCE ||| Sialia mexicana is the scientific name of the western bluebird: Sialia is the genus & mexicana tells you this
the species
179
$600 ||| Category: SCIENCE ||| In a first-class type of this, the fulcrum is between the applied force and the load
a lever
180
$800 ||| Category: SCIENCE ||| The tail of this body is formed when ice turns into gas as it gets closer to the sun
a comet
181
$1000 ||| Category: SCIENCE ||| This 5-letter word is the opposite of attract
repel
182
$None ||| Category: SCIENCE ||| It takes approximately 24,840 MPH to achieve this
escaping the Earth's gravity (and go off into outer space, on your way to the moon, for instance)
183
$200 ||| Category: SCIENCE ||| His 1905 paper "On the Electrodynamics of Moving Bodies" contained his special Theory of Relativity
Albert Einstein
184
$400 ||| Category: SCIENCE ||| In 1935 the daughter of this famed pair won a Nobel Prize for the discovery of artificial radioactivity
Pierre & Marie Curie
185
$600 ||| Category: SCIENCE ||| (Hi, I'm Nobel laureate Rudy Marcus) It's the chemical formula for dry ice
CO2
186
$800 ||| Category: SCIENCE ||| The term geotropism refers to the effect that this has on the direction plants grow or bend
gravity/the Earth
187
$1000 ||| Category: SCIENCE ||| In the Arctic, some of these organisms consisting of an alga & a fungus may be 4,000 years old
lichens
188
$200 ||| Category: SCIENCE ||| In the 1970s sign language was taught to Koko the gorilla & Washoe, one of these
chimpanzee
189
$400 ||| Category: SCIENCE ||| A magnetron is an electronic tube used to produce these waves found in some kitchens
microwaves
190
$600 ||| Category: SCIENCE ||| (Sofia of the Clue Crew reports from the La Brea Tar Pits in Los Angeles) The bubbling seen here is caused by this gas, a major part of Jupiter's atmosphere
methane
191
$800 ||| Category: SCIENCE ||| (Sarah of the Clue Crew reports) The spin of a frisbee keeps it stable in flight, illustrating angular this
momentum
192
$1000 ||| Category: SCIENCE ||| In 1869 this Russian chemist published his periodic table
Dmitri Mendeleev
193
$200 ||| Category: SCIENCE ||| Snakes come equipped with a special tooth named for this & used to break out of it
Egg
194
$400 ||| Category: SCIENCE ||| In 1992 scientists found ripples in the CBR, Cosmic Background this, whose existence supports the Big Bang Theory
Radiation
195
$600 ||| Category: SCIENCE ||| Several centuries after the Chinese used negative numbers, people in India came up with the concept of this number
Zero
196
$1500 ||| Category: SCIENCE ||| The books in Libbie Hyman's 6-volume study of these have spines; by definition, the creatures in them don't
Invertebrates
197
$1000 ||| Category: SCIENCE ||| 7 years after Darwin published his natural selection theory, this man published his laws of genetics
Gregor Mendel
198
$200 ||| Category: SCIENCE ||| While we have 23 pairs of these in each cell, the fruit fly makes do with 4, only 1 of them sex-related
chromosomes
199
$400 ||| Category: SCIENCE ||| 2000 news: the Gunnison sage grouse isn't just another northern sage grouse, but a new one of this classification
species
200
$600 ||| Category: SCIENCE ||| An acre of soil contains billions of nematodes, the round type of these seen here under the microscope
worms
201
$800 ||| Category: SCIENCE ||| From the Latin for "parchment", this semi-permeable barrier surrounds a cell's cytoplasm
membrane
202
$1100 ||| Category: SCIENCE ||| At Prague Tech, we wonder if this physics professor's voice got higher as he moved toward you
Christian Doppler
203
$200 ||| Category: SCIENCE ||| Silver iodide & silver bromide are sensitive to this, hence their use in photography
light
204
$400 ||| Category: SCIENCE ||| Term for the edible endospermic seeds of an ear of corn
kernels
205
$600 ||| Category: SCIENCE ||| Sore, stiff joints are one symptom of this condition suffered by sailors off the C, vitamin C
scurvy
206
$800 ||| Category: SCIENCE ||| Though his work was "uncertain", he won the Nobel Prize for Physics in 1932, just on "principle"
Werner Heisenberg
207
$1000 ||| Category: SCIENCE ||| The element named for him wasn't one of the ones he left a gap for in the periodic table; it came in at 101
Dmitri Mendeleev
208
$200 ||| Category: SCIENCE ||| Only a few living things, like some germs, can live without this gas symbolized O
oxygen
209
$600 ||| Category: SCIENCE ||| Though the Earth isn't a perfect sphere, its eastern & western halves are each called this
hemispheres
210
$800 ||| Category: SCIENCE ||| No Doubt sang, "Thank You for turning on the lights. Thank You, now you're" this organism that lives off a host
parasite
211
$1000 ||| Category: SCIENCE ||| This man seen here, born in Oxford in 1942, is among the greatest physicists of our time
Stephen Hawking
212
$None ||| Category: SCIENCE ||| He invented carbonated water as a byproduct of his investigations into the chemistry of air
Joseph Priestley
213
$200 ||| Category: SCIENCE ||| In 1633 Descartes suppressed his book "The World" because it supported the ideas of this Italian
Galileo
214
$400 ||| Category: SCIENCE ||| Rust is a slow example of this process: combustion is defined as a "rapid" one
Oxidation
215
$600 ||| Category: SCIENCE ||| Don't worry about exploding when using this heart medicine -- it's too diluted
Nitroglycerin
216
$800 ||| Category: SCIENCE ||| This family of trees has 2 genera, populus & salix; we wonder to which one Alyson Hannigan belongs
Willow
217
$1000 ||| Category: SCIENCE ||| Some protozoans' bodies can be divided into the fluid inner endoplasm & this more rigid outer part
Ectoplasm
218
$200 ||| Category: SCIENCE ||| It can be fatty matter on the wall of an artery, or a buildup of matter on a tooth
Plaque
219
$400 ||| Category: SCIENCE ||| The 4 dimensions in the Einsteinian space-time continuum are time, length, width & this
Height
220
$600 ||| Category: SCIENCE ||| NaOCl, sodium hypochlorite, is this common laundry product
Bleach
221
$800 ||| Category: SCIENCE ||| Put this in your "notebook": Andromeda (M 31), like the Milky Way, is a galaxy of this shape
Spiral
222
$1000 ||| Category: SCIENCE ||| Abbreviated lm, it's a measurement of light
Lumen
223
$100 ||| Category: SCIENCE ||| In biology it's a finger; in math, a figure like 1
a digit
224
$200 ||| Category: SCIENCE ||| A free-falling body accelerates at a rate of about 1 g, g coming from this word
gravity
225
$300 ||| Category: SCIENCE ||| Pre-Y1K scientists figured this organ gave out light; they were, of course, wrong
eye
226
$400 ||| Category: SCIENCE ||| These in the skies of Albuquerque on October 3, 1999 were a fine example of Charles' Law in action
hot air balloons
227
$500 ||| Category: SCIENCE ||| The 5-kingdom system is made up of animals, bacteria, plants, protists & these
fungi
