| International Scientific Units | 0 | - | 4.95 | 158,497 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,381 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,262,953 |
| Elements by Symbol | 0 | - | 4.92 | 199,014 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,699 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,875 |
| Noble Gases | 0 | - | 4.89 | 78,916 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 65,156 |
| Periodic Table Symbols | 0 | - | 4.97 | 81,052 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,511 |
| Name the Virus | 0 | - | 4.87 | 77,164 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 81,226 |
| Famous Scientists | 0 | - | 4.58 | 42,870 |
| Things Named For People #3 - Science | 0 | - | 4.86 | 54,324 |
| Elemental Words | 0 | - | 4.97 | 52,599 |
| Metals of Antiquity | 0 | - | 4.95 | 94,006 |
| Megadiverse Countries | 0 | - | 4.96 | 148,143 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 82,212 |
| Scientific Names | 0 | - | 4.32 | 78,759 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,795 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 87,055 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,109 |
| Random Symbol to Element | 0 | - | 4.88 | 94,157 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,872 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,870 |
| Astronomy Quiz | 0 | - | 4.90 | 83,384 |
| Body Part Cliches | 0 | - | 4.44 | 123,688 |
| Bones of the Human Body | 0 | - | 4.51 | 43,703 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,968 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,416 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,171 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,690 |
| Animal Stereotypes | 0 | - | 4.48 | 37,551 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,219 |
| Countries with Fjords | 0 | - | 4.94 | 101,544 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,935 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,740 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,166 |
| World's Longest Rivers | 0 | - | 4.89 | 137,745 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 165,776 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,465 |
| Science General Knowledge #1 | 0 | - | 4.54 | 167,504 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,765 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,678 |
| Science Vocabulary #2 | 0 | - | 4.52 | 60,002 |
| Word Chain - Science | 0 | - | 4.59 | 55,190 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,988 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,789 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,564 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,103,270 |
| Environmental Issues | 0 | - | 4.54 | 26,918 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,957 |
| Types of Bears | 0 | - | 4.50 | 143,980 |
| Deadly Animals | 0 | - | 4.02 | 110,845 |
| Famous Animals #1 | 0 | - | 4.03 | 240,039 |
| Famous Animals #2 | 0 | - | 4.02 | 57,609 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,434 |
| Animal Facts | 0 | - | 4.15 | 43,057 |
| Cat Knowledge | 0 | - | 4.49 | 25,887 |
| Bear Knowledge | 0 | - | 4.54 | 35,182 |
| Cow Knowledge | 0 | - | 4.46 | 24,321 |
| Elephant Knowledge | 0 | - | 4.41 | 24,020 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,396 |
| Human Taxonomy | 0 | - | 4.70 | 18,998 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,911 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 36,259 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,433 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,976 |
| Countries With No Rivers | 0 | - | 4.96 | 77,238 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,115 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,216 |
| North Sea Countries | 0 | - | 4.92 | 87,765 |
| Black Sea Countries | 0 | - | 4.87 | 60,783 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,650 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,735 |
| Seas on the World Map | 0 | - | 4.96 | 136,084 |
| Seas of the World | 0 | - | 5.00 | 158,750 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 414,333 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,413 |
| First Names of Scientists | 0 | - | 4.51 | 57,254 |
| Groups of Two - Science | 0 | - | 4.26 | 48,478 |
| Science Vocabulary #1 | 0 | - | 4.34 | 72,232 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,259 |
| Science Decoder | 0 | - | 4.52 | 28,870 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,540 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,229 |
| Elements by Picture | 0 | - | 4.27 | 70,371 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,572 |
| Name a Valid Element | 0 | - | 4.68 | 70,468 |
| Medical Acronyms | 0 | - | 4.43 | 97,301 |
| Medical Vocabulary | 0 | - | 4.54 | 59,529 |
| French Animal Words | 0 | - | 4.44 | 135,062 |
| Spanish Animal Words | 0 | - | 4.53 | 96,004 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,640 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,509 |
| Name that Bug | 0 | - | 4.12 | 45,655 |
| Pack Animals | 0 | - | 4.20 | 10,445 |
| Lion Trivia | 0 | - | 4.19 | 16,446 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,735 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,579 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,463 |
| Insect Knowledge #2 | 0 | - | 4.22 | 9,020 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,844 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,422 |
| Bird in the Answers | 0 | - | 4.11 | 34,007 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,254 |
| Horse Knowledge | 0 | - | 4.46 | 24,144 |
| Snake Knowledge | 0 | - | 4.49 | 18,889 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,688 |
| Geologic Time Scale | 0 | - | 4.41 | 10,082 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,056 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,182 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,070 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,871 |
| Birthstones by Month | 0 | - | 4.44 | 88,212 |
| "Ologies" Quiz | 0 | - | 4.34 | 97,629 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,482 |
| Name the Metal Alloy | 0 | - | 4.73 | 14,108 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,996 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,337 |
| Brightest Natural Objects in the Sky | 0 | - | 4.46 | 28,671 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,463 |
| Body Part Words | 0 | - | 4.43 | 146,459 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,969 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 177,139 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,943 |
| Human Body A-Z | 0 | - | 4.51 | 130,114 |
| One-Syllable Human Body Parts | 0 | - | 4.30 | 88,585 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 120,008 |
| Medical Specialties | 0 | - | 4.33 | 92,346 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,284 |
| Animals: No Vowels #2 | 0 | - | 4.51 | 22,844 |
| Animals that Start with L | 0 | - | 4.47 | 102,518 |
| Animals that Start with P | 0 | - | 4.45 | 86,541 |
| Animals that Start with S | 0 | - | 4.49 | 87,735 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,858 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,322 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,296 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,739 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,972 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,692 |
| Famous Rivers | 0 | - | 4.75 | 105,303 |
| City to River #1 | 0 | - | 4.59 | 35,915 |
| Most Populous River Basins | 0 | - | 4.55 | 39,829 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,509 |
| Seas that Touch the Most Countries | 0 | - | 4.64 | 97,164 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,307 |
| Flowers by Picture | 0 | - | 4.46 | 105,886 |
| Citrus Fruits | 0 | - | 3.67 | 42,216 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 71,002 |
| Category Elimination - Elements | 0 | - | 4.61 | 54,182 |
| Astronomy Decoder | 0 | - | 4.48 | 38,255 |
| The Mars Quiz | 0 | - | 4.55 | 18,743 |
| The Saturn Quiz | 0 | - | 4.54 | 11,600 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,842 |
| The Diseases They Had | 0 | - | 4.15 | 14,078 |
| Dumb it Down Doc | 0 | - | 4.13 | 65,204 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,989 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,480 |
| Words that are Animals | 0 | - | 3.85 | 41,519 |
| Extinct Animals | 0 | - | 4.13 | 27,592 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,961 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,552 |
| Primate Knowledge | 0 | - | 4.17 | 15,352 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,397 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,321 |
| Animals in the News | 0 | - | 4.37 | 26,844 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,521 |
| Largest Types of Birds | 0 | - | 4.19 | 27,030 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,785 |
| Fish Knowledge | 0 | - | 4.38 | 25,768 |
| Animals that Start with A | 0 | - | 4.26 | 112,550 |
| Animals that Start with B | 0 | - | 4.31 | 114,495 |
| Animals that Start with C | 0 | - | 4.21 | 93,626 |
| Animals that Start with D | 0 | - | 4.25 | 87,360 |
| Animals that Start with E | 0 | - | 4.28 | 74,252 |
| Animals that Start with F | 0 | - | 4.28 | 107,530 |
| Animals that Start with G | 0 | - | 4.25 | 80,465 |
| Animals that Start with K | 0 | - | 4.07 | 66,796 |
| Animals that Start with M | 0 | - | 4.23 | 84,342 |
| Animals that Start with R | 0 | - | 4.28 | 87,724 |
| Animals that Start with T | 0 | - | 4.32 | 92,168 |
| Animals that Start with H | 0 | - | 4.31 | 86,640 |
| Animals that Start with O | 0 | - | 4.27 | 88,878 |
| Animals that Start with W | 0 | - | 4.36 | 47,413 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,037 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,435 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,083 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,764 |
| Rivers by City | 0 | - | 4.38 | 31,783 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,256 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,099 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,437 |
| Plants by Picture | 0 | - | 4.24 | 14,528 |
| Trees in the Answer | 0 | - | 4.23 | 45,947 |
| Signs of the Zodiac Quiz | 0 | - | 4.46 | 227,965 |
| Name the Constellations | 0 | - | 4.63 | 48,401 |
| Astronomy True or False | 0 | - | 4.39 | 36,631 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,549 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,596 |
