Daily Double Prep

Daily Double Stats by Topic

#TopicDomainDD Count Contestant AccuracyAvg Value
1 History History 1168 68.5% $2,141 Practice
2 Wordplay Wordplay 764 68.1% $2,065 Practice
3 Visual Art Arts 649 63.2% $2,126 Practice
4 Literature Literature 512 63.1% $2,268 Practice
5 U.S. Presidents History 377 66.8% $1,796 Practice
6 Government & Politics Business 373 66.5% $2,148 Practice
7 Books & Authors Literature 372 66.7% $2,214 Practice
8 Science Science 317 69.4% $2,548 Practice
9 Movies Pop Culture 308 71.4% $1,788 Practice
10 Bodies of Water Geography 296 62.5% $2,096 Practice
11 Geography Geography 285 65.6% $2,213 Practice
12 Animals Science 250 60.0% $1,966 Practice
13 The Bible Religion 245 64.5% $1,766 Practice
14 Shakespeare Literature 236 62.3% $1,835 Practice
15 Transportation Business 228 63.6% $1,842 Practice
16 Authors Literature 224 62.5% $2,200 Practice
17 Historical Figures History 218 67.0% $1,870 Practice
18 Poetry Literature 191 60.7% $2,074 Practice
19 World Geography Geography 189 64.6% $1,886 Practice
20 Television Pop Culture 184 66.3% $1,294 Practice
21 Quotations Literature 184 66.3% $1,655 Practice
22 American History History 171 62.6% $1,879 Practice
23 Music Music 163 70.6% $1,917 Practice
24 Letter Words Wordplay 163 65.6% $2,049 Practice
25 Countries Geography 163 69.9% $2,592 Practice
26 Word Origins Language 160 57.5% $2,403 Practice
27 Novels Literature 157 57.3% $2,341 Practice
28 Business & Industry Business 157 66.2% $1,792 Practice
29 Botany Science 157 59.9% $1,928 Practice
30 Capitals Geography 153 63.4% $2,444 Practice

Daily Doubles: Science

DD LET'S SCIENCE THIS — $3,400 Show #9529 (2026-03-26)

1 shift, 2 shift, these 2 terms for increase & decrease in light wavelengths from an object moving toward & away from you

DD WE'RE BLINDING YOU WITH SCIENCE — $1,500 Show #40 (2026-03-13)

Sounding a bit like dinnerware, they're the components of blood that gang up together to form clots

DD SCIENCE EXPERIMENTS — $400 Show #9509 (2026-02-26)

One step of Joseph Priestley's 1700s experiment to make soda water involved storing this gas in a sheep's bladder

DD A SCIENCE BRIEF — $3,200 Show #9500 (2026-02-13)

The Cassini-Huygens mission found rippling sand dunes & liquid seas on this moon

DD SOME SCIENCE — $6,600 Show #9478 (2026-01-14)

God bless this radioactive element discovered in 1944 by a group of U.S. scientists when they bombarded plutonium with neutrons

DD HITTING YOU WITH HARD SCIENCE — $4,000 Show #9462 (2025-12-23)

Latin for "hair" gives us the name of these blood vessels

DD YE OLDE SCIENCE — $5,000 Show #9460 (2025-12-19)

The ancient Romans used this 2-word farming concept with a revolving "food, feed & fallow" planting method

DD SCIENCE — $4,200 Show #9457 (2025-12-16)

Maximizing this, the rotational version of force, is why it's easier to open a door by pushing far from the hinges than next to them

DD SCIENCE NONFICTION — $3,000 Show #9456 (2025-12-15)

"Entangled Life" by Merlin Sheldrake is about this kingdom; Mr. Sheldrake says much of the world is stitched together by its mycelium

DD IT'S FICTION SCIENCE — $2,500 Show #9430 (2025-11-07)

The narrator of this story puts a "drop of oil on the quartz rod" of his title device, hops in the saddle & hours just zoom by

DD SCIENCE STUFF — $3,600 Show #9366 (2025-06-30)

Immunoglobulins is another word for these, produced in the body to fight foreign invaders

DD SCIENCE VOCAB — $4,400 Show #40 (2025-04-30)

From Greek for "swift", this word first appeared in a 1967 paper called "possibility of faster-than-light particles"

DD SCIENCE, TECH & TV — $2,500 Show #29 (2025-01-22)

A mad scientist & his grandson use a portal gun to travel to different dimensions on this long-running animated series

DD PHYSICAL SCIENCE — $4,500 Show #9250 (2025-01-17)

It's separation of waves according to their wavelength, as in a rainbow; also, what police may want a crowd to do, meaning scattering

DD SCIENCE — $3,800 Show #9246 (2025-01-13)

The recoil of a gun is an example of conservation of this, mass times velocity

DD SCIENCE — $1,800 Show #9235 (2024-12-27)

Gymnosperms like the pine tree reproduce via these organs also called strobili

DD SCIENCE BOOKSHELF — $1,000 Show #9230 (2024-12-20)

It's the structure of DNA & the title of James Watson's book about the discovery of it

DD A "W" FOR SCIENCE — $2,000 Show #9222 (2024-12-10)

It's the distance between 2 crests of sound or light that are next to each other

DD SCIENCE — $3,000 Show #9197 (2024-11-05)

The 2 chemical elements bearing the names of U.S. states are tennessine & this one

DD PHYSICAL SCIENCE — $8,000 Show #9166 (2024-09-23)

Pascal's law says in fluid in a closed container, a change in this goes without loss to every part; Pascal tested it with a full barrel

DD SCIENCE QUIZ — $2,000 Show #9118 (2024-06-05)

D2O, or heavy water, combines oxygen with this isotope that is twice as heavy as hydrogen

DD SCIENCE-Y BOOKS — $2,000 Show #9115 (2024-05-31)

A 19th c. word for a psychiatrist is the title of this Caleb Carr novel in which Dr. Laszlo Kreizler investigates a murder

DD HEY BABY, WHAT'S YOUR SCIENCE? — $2,000 Show #9111 (2024-05-27)

The scientific paper "Soil Animals and Pedogenesis" focuses on the role of this creature in transforming organic matter

DD SCIENCE FICTION — $1,400 Show #32 (2024-05-15)

In novels by Dan Simmons, the planet Hyperion has a capital named for this poet who wrote an epic about the sun god Hyperion

DD -OLOGIES — $4,200 Show #9093 (2024-05-01)

Remove 2 letters from the study of weather to get this, the study of weights & measures

DD SCIENCE STUFF — $2,000 Show #9090 (2024-04-26)

The hormones raging in you right now were secreted by this system of ductless glands

DD SCIENCE — $2,200 Show #9069 (2024-03-28)

Devised by a 19th century German scientist, this scale measures a mineral's resistance to abrasion

DD AN "A" IN SCIENCE — $1,400 Show #9015 (2024-01-12)

This tiny unit of measurement is named for a Swedish physicist

DD 12-LETTER SCIENCE WORDS — $10,400 Show #9003 (2023-12-27)

Studies have shown that some shrews use this process, emitting high-pitched squeaks as a guide in the dark

DD SCIENCE — $1,000 Show #8993 (2023-12-13)

During an epidemic of this disease in 1796, Edward Jenner discovered the power of vaccines & used it to save lives

DD TO "L" WITH SCIENCE — $1,400 Show #8987 (2023-12-05)

Any of a hydrophobic group of organic compounds, including fats & oils

DD WOMEN IN SCIENCE — $1,000 Show #8981 (2023-11-27)

With her husband George, Gladys Dick found the cause of this childhood disease named for its red skin rash & came up with a cure

DD SCIENCE MUSEUMS — $2,000 Show #20 (2023-11-15)

Behind thick glass in the Gems & Minerals Hall of the Denver Museum of Nature & Science, Tom's Baby is an 8-lb nugget of this

DD SHE BLINDED ME WITH SCIENCE — $5,000 Show #8958 (2023-10-25)

Dorothy Hodgkin's Nobel Prize in Chemistry was for her work on this vitamin, whose deficiency causes pernicious anemia

DD SCIENCE CLASS — $1,600 Show #8926 (2023-09-11)

Sedimentary deposits near Lake Superior produce the largest U.S. annual yield of hematite, the main ore of this metal

DD THE SCIENCE OF POETRY — $2,000 Show #8886 (2023-06-05)

In a 1920s limerick, "There was a young lady named Bright/ Whose speed was far" these 3 words; she gets back home before she left

DD SCIENCE — $1,600 Show #8878 (2023-05-24)

It's the measure of the size of the seismic waves generated by an earthquake; Charles Richter invented one way to measure it

DD A LIFE IN SCIENCE — $4,600 Show #16 (2023-05-22)

His name is associated with work & this 19th C. British physicist had an occasional day job managing his family brewery

DD SCIENCE — $8,000 Show #11 (2023-05-16)

(Here with your clue is quantum physicist Spiros Michalakis.) 2022 Nobel physics laureate Anton Zeilingerhas pioneered the quantum type of this, from Latin for "far" & "carry"; it's just a state of2 entangled particlesthat is moved--nothing bigger yet

DD SCIENCE — $5,000 Show #8864 (2023-05-04)

This pioneering computer language got its name from its early use in translating formulas

DD SCIENCE — $4,000 Show #8845 (2023-04-07)

Fireworks went off July 4, 2012 with the announcement of a boson consistent with the predictions of this British particle physicist

DD SCIENCE — $4,000 Show #8834 (2023-03-23)

Atomic number 87, this element named for a country by Marguerite Perey is the heaviest of the alkali metals

DD SOCIAL SCIENCE — $3,000 Show #8816 (2023-02-27)

It's a social ideal meant to motivate people toward success; a book by a N.Y. Times columnist is subtitled "Waking Up from" it

DD I LIKE TO SCIENCE! — $2,600 Show #8815 (2023-02-24)

In 1957, long before she had her own institute, she met Louis Leakey, who guided her to Gombe Stream to study chimps

DD SCIENCE CRITTERS — $3,000 Show #8813 (2023-02-22)

This Russian physiologist trained many breeds of dogs to reflexively salivate at the sound of noises they associated with food

DD SCIENCE — $6,400 Show #8810 (2023-02-17)

Water boiling & turning into steam is an example of an isobaric process, meaning this remains constant

DD THE COLORS OF SCIENCE — $3,200 Show #8786 (2023-01-16)

It's a disease that afflicts cereal grasses, or a diminutive name for a star like the Sun

DD SCIENCE — $4,000 Show #8772 (2022-12-27)

Neptune's moon Triton is the only big moon in our solar system that orbits in this 10-letter way, meaning backwards

DD WEIRD SCIENCE — $1,400 Show #8719 (2022-10-13)

Some scientists think Uranus' atmosphere may compress carbon atoms into these, putting the ice in ice giant

DD SCIENCE GRAB BAG — $11,000 Show #8717 (2022-10-11)

Ceres & Pallas are found between the orbits of these 2 planets