| #9015, aired 2024-01-12 | AN "A" IN SCIENCE $800: John F. Kennedy suffered from Addison's disease, a condition that affects these glands that secrete steroids the adrenal glands |
| #8492, aired 2021-10-19 | "F" IN SCIENCE $400: It's part of a flower's stamen, or a thin wire inside a light bulb filament |
| #8492, aired 2021-10-19 | "F" IN SCIENCE $800: CH2O is the chemical formula for this strong-smelling gas used in preservatives formaldehyde |
| #8492, aired 2021-10-19 | "F" IN SCIENCE $1200: The lowest temperature at which the vapor of a combustible liquid may briefly ignite is called this the flash point |
| #8492, aired 2021-10-19 | "F" IN SCIENCE $1600: About 60% of the Earth's crust is made up of this group of glassy minerals feldspar |
| #8492, aired 2021-10-19 | "F" IN SCIENCE $2000: In the 1940s he developed an improved theory of quantum electrodynamics Richard Feynman |
| #7425, aired 2016-12-16 | TRUST THE SCIENCE $2000: Make this kind of "grab" & tell us it's the P in P=fv, f symbolizing force & v, speed power |
| #7381, aired 2016-10-17 | AN "F" IN SCIENCE $200: This compound can help prevent cavities when added to drinking water at concentrations of 1 part per million fluoride |
| #7381, aired 2016-10-17 | AN "F" IN SCIENCE $400: There are static & kinetic types of this force on objects that are in contact with each other friction |
| #7381, aired 2016-10-17 | AN "F" IN SCIENCE $600: (Sarah of the Clue Crew shows an anatomical illustration on the monitor.) The most common ankle fracture is a break of the bony knob called the lateral malleolus, which is actually an outer projection of this lower-leg bone the fibula |
| #7381, aired 2016-10-17 | AN "F" IN SCIENCE $800: This simple sugar is found in honey fructose |
| #7381, aired 2016-10-17 | AN "F" IN SCIENCE $1000: This technology has virtually replaced copper wire in long-distance telephone lines fiber optic |
| #7361, aired 2016-09-19 | SCIENCE CLASS $2000: (Kelly of the Clue Crew demonstrates with Sarah standing far in the background.) Abbreviated F.P., this optical illusion makes for some very odd visual-size relationships forced perspective |
| #6303, aired 2012-02-01 | "F" IN SCIENCE $200: The name of this bone is Latin for "thigh" femur |
| #6303, aired 2012-02-01 | "F" IN SCIENCE $400: This simple sugar is found in honey fructose |
| #6303, aired 2012-02-01 | "F" IN SCIENCE $600: Equal to one cycle per second, the hertz is the international unit of this, as for sound waves frequency |
| #6303, aired 2012-02-01 | "F" IN SCIENCE $800: This technology uses hair-thin transparent filaments to transmit light or infrared signals fiber optics |
| #6303, aired 2012-02-01 | "F" IN SCIENCE $1000: When dissolved in a solution of water & methanol, this gas with a strong odor is used to preserve biological samples formaldehyde |
| #5178, aired 2007-02-28 | SCIENCE $2000: (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 |
| #5044, aired 2006-07-13 | "F"RIENDS OF SCIENCE $400: Before sending this ape expert to Africa in 1966, Louis Leakey asked her to get a pre-emptive appendectomy (Dian) Fossey |
| #5044, aired 2006-07-13 | "F"RIENDS OF SCIENCE $2,000 (Daily Double): Born in Danzig in 1686, he improved on a Galileo invention by using mercury instead of a gas Fahrenheit |
| #5044, aired 2006-07-13 | "F"RIENDS OF SCIENCE $2000: This bongo-playing Manhattan Project physicist told how Challenger's O-rings failed in 1986 Richard Feynman |
| #4519, aired 2004-04-08 | FIELDS OF SCIENCE $2000: The hypothesized Higgs field gives elementary particles this, the m in the equation f=ma mass |
| #3959, aired 2001-11-15 | SCIENCE CLASS $1000: (Sofia of the Clue Crew writes an equation on the blackboard: f = 1/T.) In physics, it's what the "f" stands for in the wave equation f = 1/T frequency |
| #2021, aired 1993-05-24 | "D" IN SCIENCE $200: The highest temperature recorded in North America was 134° F. at this California site Death Valley |
| #2020, aired 1993-05-21 | SCIENCE $400: These warm, dry winds can raise the temperature at the base of the Rockies as much as 40º F. in 1 hour the Chinooks |
| #868, aired 1988-05-18 | "F" IN SCIENCE $200: Paleontologists really dig these fossils |
| #868, aired 1988-05-18 | "F" IN SCIENCE $400: Just the stuff to give your refrigerator a charge Freon |
| #868, aired 1988-05-18 | "F" IN SCIENCE $600: The point of support of a lever fulcrum |
| #868, aired 1988-05-18 | "F" IN SCIENCE $1,000 (Daily Double): Chemical reaction of organic substances brought about by yeasts or bacteria fermentation |
| #868, aired 1988-05-18 | "F" IN SCIENCE $1000: In 1831 this great English physicist discovered the principle of electromagnetic induction (Michael) Faraday |
