| International Scientific Units | 0 | - | 4.95 | 156,836 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,766 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,242,562 |
| Elements by Symbol | 0 | - | 4.92 | 197,240 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,673 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,217 |
| Noble Gases | 0 | - | 4.89 | 78,162 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,586 |
| Periodic Table Symbols | 0 | - | 4.97 | 72,233 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,664 |
| Name the Virus | 0 | - | 4.87 | 76,754 |
| Major Taxonomic Ranks | 0 | - | 4.56 | 80,561 |
| Famous Scientists | 0 | - | 4.57 | 42,648 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,980 |
| Elemental Words | 0 | - | 4.96 | 52,291 |
| Metals of Antiquity | 0 | - | 4.95 | 93,431 |
| Megadiverse Countries | 0 | - | 4.96 | 134,869 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,453 |
| Scientific Names | 0 | - | 4.32 | 78,460 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,494 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,551 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,006 |
| Random Symbol to Element | 0 | - | 4.88 | 93,087 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 188,750 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,514 |
| Astronomy Quiz | 0 | - | 4.90 | 82,598 |
| Body Part Cliches | 0 | - | 4.43 | 123,302 |
| Bones of the Human Body | 0 | - | 4.52 | 42,434 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,168 |
| Animal Varieties #1 | 0 | - | 4.48 | 92,901 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,087 |
| Animal Varieties #3 | 0 | - | 4.54 | 55,399 |
| Animal Stereotypes | 0 | - | 4.48 | 37,243 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,820 |
| Countries with Fjords | 0 | - | 4.94 | 100,888 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,677 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,490 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,115 |
| World's Longest Rivers | 0 | - | 4.90 | 136,680 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 163,798 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,281 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,009 |
| Science General Knowledge #2 | 0 | - | 4.48 | 118,826 |
| Science General Knowledge #3 | 0 | - | 4.56 | 108,715 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,647 |
| Word Chain - Science | 0 | - | 4.59 | 54,881 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,702 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,577 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,830 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,097,444 |
| Environmental Issues | 0 | - | 4.54 | 26,833 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,679 |
| Types of Bears | 0 | - | 4.51 | 143,747 |
| Deadly Animals | 0 | - | 4.03 | 110,591 |
| Famous Animals #1 | 0 | - | 4.03 | 239,667 |
| Famous Animals #2 | 0 | - | 4.02 | 57,506 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,314 |
| Animal Facts | 0 | - | 4.15 | 42,981 |
| Cat Knowledge | 0 | - | 4.48 | 25,802 |
| Bear Knowledge | 0 | - | 4.54 | 35,082 |
| Cow Knowledge | 0 | - | 4.46 | 24,259 |
| Elephant Knowledge | 0 | - | 4.41 | 23,959 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,184 |
| Human Taxonomy | 0 | - | 4.68 | 18,914 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,723 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,934 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,778 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,431 |
| Countries With No Rivers | 0 | - | 4.96 | 76,802 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,104 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,012 |
| North Sea Countries | 0 | - | 4.92 | 87,383 |
| Black Sea Countries | 0 | - | 4.87 | 60,596 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,374 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,473 |
| Seas on the World Map | 0 | - | 4.96 | 135,332 |
| Seas of the World | 0 | - | 5.00 | 156,848 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,224 |
| First Names of Scientists | 0 | - | 4.51 | 56,866 |
| Groups of Two - Science | 0 | - | 4.26 | 48,325 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,837 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,991 |
| Science Decoder | 0 | - | 4.52 | 28,767 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,323 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,024 |
| Elements by Picture | 0 | - | 4.27 | 69,949 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,900 |
| Name a Valid Element | 0 | - | 4.64 | 70,042 |
| Medical Acronyms | 0 | - | 4.43 | 96,842 |
| Medical Vocabulary | 0 | - | 4.54 | 59,103 |
| French Animal Words | 0 | - | 4.44 | 134,440 |
| Spanish Animal Words | 0 | - | 4.53 | 95,728 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,520 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,446 |
| Name that Bug | 0 | - | 4.12 | 45,561 |
| Pack Animals | 0 | - | 4.18 | 10,382 |
| Lion Trivia | 0 | - | 4.19 | 16,409 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,663 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,505 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,383 |
| Insect Knowledge #2 | 0 | - | 4.22 | 8,967 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,689 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,085 |
| Bird in the Answers | 0 | - | 4.11 | 33,683 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,185 |
| Horse Knowledge | 0 | - | 4.46 | 24,051 |
| Snake Knowledge | 0 | - | 4.49 | 18,812 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,513 |
| Geologic Time Scale | 0 | - | 4.41 | 10,011 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,697 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,958 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,501 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,454 |
| Birthstones by Month | 0 | - | 4.42 | 80,689 |
| "Ologies" Quiz | 0 | - | 4.34 | 97,144 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,388 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,741 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,828 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,199 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 28,315 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,838 |
| Body Part Words | 0 | - | 4.43 | 145,950 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,820 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,336 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,591 |
| Human Body A-Z | 0 | - | 4.51 | 129,172 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,173 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,267 |
| Medical Specialties | 0 | - | 4.32 | 91,769 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,766 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,612 |
| Animals: No Vowels #2 | 0 | - | 4.49 | 22,231 |
| Animals that Start with L | 0 | - | 4.47 | 101,903 |
| Animals that Start with P | 0 | - | 4.45 | 86,129 |
| Animals that Start with S | 0 | - | 4.49 | 87,348 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,799 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,237 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,235 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,624 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,396 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,396 |
| Famous Rivers | 0 | - | 4.75 | 104,959 |
| City to River #1 | 0 | - | 4.59 | 35,848 |
| Most Populous River Basins | 0 | - | 4.55 | 39,713 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,349 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,799 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,078 |
| Flowers by Picture | 0 | - | 4.46 | 105,650 |
| Citrus Fruits | 0 | - | 3.63 | 42,071 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,694 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,687 |
| Astronomy Decoder | 0 | - | 4.49 | 38,054 |
| The Mars Quiz | 0 | - | 4.55 | 18,664 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,657 |
| The Diseases They Had | 0 | - | 4.15 | 14,007 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,975 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,806 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,418 |
| Words that are Animals | 0 | - | 3.88 | 41,464 |
| Extinct Animals | 0 | - | 4.16 | 27,507 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,373 |
| Primate Knowledge | 0 | - | 4.17 | 15,309 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,299 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,259 |
| Animals in the News | 0 | - | 4.37 | 26,793 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,463 |
| Largest Types of Birds | 0 | - | 4.19 | 26,971 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,737 |
| Fish Knowledge | 0 | - | 4.38 | 25,647 |
| Animals that Start with A | 0 | - | 4.26 | 112,086 |
| Animals that Start with B | 0 | - | 4.31 | 113,774 |
| Animals that Start with C | 0 | - | 4.21 | 93,224 |
| Animals that Start with D | 0 | - | 4.25 | 86,962 |
| Animals that Start with E | 0 | - | 4.28 | 73,917 |
| Animals that Start with F | 0 | - | 4.28 | 107,115 |
| Animals that Start with G | 0 | - | 4.25 | 80,133 |
| Animals that Start with K | 0 | - | 4.07 | 66,550 |
| Animals that Start with M | 0 | - | 4.23 | 84,007 |
| Animals that Start with R | 0 | - | 4.27 | 87,392 |
| Animals that Start with T | 0 | - | 4.32 | 91,465 |
| Animals that Start with H | 0 | - | 4.31 | 86,329 |
| Animals that Start with O | 0 | - | 4.27 | 88,584 |
| Animals that Start with W | 0 | - | 4.36 | 47,162 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,018 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,251 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,003 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,546 |
| Biggest City by River | 0 | - | 4.38 | 52,855 |
| Rivers by City | 0 | - | 4.38 | 31,715 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,043 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,020 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 413,048 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,864 |
| Plants by Picture | 0 | - | 4.24 | 14,445 |
| Trees in the Answer | 0 | - | 4.25 | 45,850 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 225,764 |
| Name the Constellations | 0 | - | 4.58 | 44,974 |
| Astronomy True or False | 0 | - | 4.39 | 36,471 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,723 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,343 |