| #8025, aired 2019-06-28 | ROCKS & MINERALS $400: H2O below 32 degrees Fahrenheit, it's considered a mineral if it's formed naturally ice |
| #7969, aired 2019-04-11 | EMERGENCY GENERATOR $800: H2O plus principal small-town street plus a pause in work for coffee water main break |
| #7730, aired 2018-03-30 | WORD PUZZLES $800: A miraculous ability:
ambulation
H2O walking on water |
| #6471, aired 2012-11-05 | RHYME SCHEME $600: It's generated when H2O hits 212 steam |
| #6276, aired 2011-12-26 | SCIENCE TERMS $400: O2 is a diatomic one of these units of a pure substance; H2O is polyatomic a molecule |
| #6234, aired 2011-10-27 | MAKING WORDS $400: H2O
+
small storage structure=
this turning point watershed |
| #5957, aired 2010-07-06 | PARTS OF PEACH $400: Peaches are more than 80% this compound H2O |
| #5806, aired 2009-12-07 | SUCH GOOD CHEMISTRY $200: Chemically, it's the makeup of a pure snowflake H2O |
| #5423, aired 2008-03-19 | H2O MUSIC $400: On the charts in the '60s, this followed Buffalo & Dusty Springfield |
| #5423, aired 2008-03-19 | H2O MUSIC $800: With 1998's "Hard to Swallow" this white guy from Miami tried to recapture his gangster rap success Vanilla Ice |
| #5423, aired 2008-03-19 | H2O MUSIC $1200: One group found this bluesman's "Rollin' Stone" tune of 1950 inspiration enough for a band name Muddy Waters |
| #5423, aired 2008-03-19 | H2O MUSIC $1600: Katrina Leskanich fronted this '80s band The Waves |
| #5423, aired 2008-03-19 | H2O MUSIC $2000: Carl Palmer & Cozy Powell have been the third man in a group with these 2 Keith Emerson & Greg Lake |
| #5394, aired 2008-02-07 | THE LEFTY WAY $800: Adolf Menzel painted in oils with his right hand but used his left for work in this H2O-soluble medium watercolor |
| #5385, aired 2008-01-25 | MY CHEMICAL ROMANCE $200: The simplest substance that can also be called oxygen hydride has this chemical formula H2O |
| #5305, aired 2007-10-05 | PRESIDENTIAL CAMPAIGNS $600 (Daily Double): This candidate played on his name with buttons that said Au H2O (Barry) Goldwater |
| #5278, aired 2007-07-18 | FINE $200: Fine hairs from squirrels' tails are used in brushes for this painting medium whose name tells you it uses H2O watercolor |
| #5192, aired 2007-03-20 | NO. 1 HITS IN OTHER WORDS $800: 1970:
"Structure Spanning Agitated H2O" "Bridge Over Troubled Water" |
| #5107, aired 2006-11-21 | GET AN EDUCATION! $800: Learn the basics of chemistry, like this chemical formula for water H2O |
| #5030, aired 2006-06-23 | ADAM SANDLER $1000: I played tackling machine & H2O enthusiast in this 1998 film The Waterboy |
| #4912, aired 2006-01-10 | FORMULA 1 $400: It's the chemical formula for pure snow H2O |
| #4346, aired 2003-06-23 | ENGINEERING $400: U.S. nuclear reactors are the light-water type because they use plain H2O as this coolant |
| #4312, aired 2003-05-06 | TRIPLE RHYME TIME $800: Pleasing frozen H2O cost nice ice price |
| #3729, aired 2000-11-16 | CHEMISTRY $800: "Willie was a chemist, but Willie is no more, what Willie thought was H2O was" this H2SO4 (Sulfuric acid) |
| #3638, aired 2000-05-31 | IN OTHER WORDS... $200: Resembling H2O dripping down from one mallard's dorsal region like water off a duck's back |
| #3483, aired 1999-10-27 | WATER $100: Measuring volume, not weight, Gay-Lussac & Humboldt found the proportions in this formula for water H2O |
| #3448, aired 1999-09-08 | ELEMENT-ARY SCHOOL $600: To make water put together 1 O, oxygen, with 2 H's, which are this element hydrogen |
| #3372, aired 1999-04-13 | MIDDLE NAME LEE $100: In 1998 this actress returned to the screen as Laurie Strode in "Halloween H2O" Jamie Lee Curtis |
| #1731, aired 1992-02-24 | CHEMISTRY $200: It's the chemical symbol for ice H2O |
| #1584, aired 1991-06-20 | PHYSICAL SCIENCE $200: Burning methane, CH4, in oxygen, O2, produces water, H2O, & this, CO2 carbon dioxide |
| #1560, aired 1991-05-17 | THE MOON $400: The most common compound on Earth, none of it has been found on the Moon water (H2O) |
| #1, aired 1990-06-16 | CHEMISTRY $200: By its formula you could call this common substance oxygen hydride water (H2O) |
| #1278, aired 1990-03-07 | SCIENCE $200: Dry ice is CO2, & regular ice is this H2O |
| #1257, aired 1990-02-06 | BIOLOGY $600: In this process 8 photons of light break down 2 H2O molecules to yield an O2 molecule Photosynthesis |
| #1034, aired 1989-02-16 | COOKING $300: As its name indicates, this pulled candy was originally made with H2O from the ocean saltwater taffy |
| #999, aired 1988-12-29 | NONPOTENT POTABLES $200: CO2 in H2O carbonated water |
| #668, aired 1987-07-01 | CRUSTACEANS $1,000 (Daily Double): Combining these 2 senses, "chemoreception" allows crustaceans to detect dissolved substances in H2O smell & taste |
| #644, aired 1987-05-28 | U.S.A. $300: At "The Water Bar" in this affluent city surrounded by L.A., you can order 55 varieties of H2O Beverly Hills |
| #580, aired 1987-02-27 | SCIENCE $400 (Daily Double): Continent which contains most of the world's fresh H2O Antarctica |
| #542, aired 1987-01-06 | INVENTIONS $600: Contrary to his name, he put ink, not H2O, in the fountain pen he patented in 1884 Waterman |
| #406, aired 1986-03-31 | SLANG $600 (Daily Double): Slang for a small town where trains would stop only to pull spout to get H2O a jerkwater stop |
| #298, aired 1985-10-30 | POP MUSIC $100: "H2O" is not only the title of their best-selling album, it has this duo's initials Hall & Oates |
| #288, aired 1985-10-16 | PHYSICAL SCIENCE $200: The 3 states of H2O frozen, liquid & gas |
| #54, aired 1984-11-22 | CHEMISTRY $200: Boiling point of H2O on the Celsius scale 100 degrees |
| #5, aired 1984-09-14 | CHEMISTRY $1,000 (Daily Double): The chemical symbol for sulfuric acid, it completes this poem:
"Say farewell to the professor /
He'll be with us no more /
For what he thought was H2O /
Was..." H2SO4 |
