| Medical Conditions Quiz | 0 | - | 4.82 | 116,779 |
| Name the Virus | 0 | - | 4.86 | 72,246 |
| International Scientific Units | 0 | - | 4.96 | 139,584 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 57,219 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.60 | 35,102 |
| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,954,066 |
| Elements by Symbol Quiz | 0 | - | 4.91 | 176,336 |
| Speed Symbol by Element | 0 | - | 4.90 | 91,686 |
| Noble Gases | 0 | - | 4.83 | 67,875 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 58,280 |
| Periodic Table Symbols Quiz | 0 | - | 4.97 | 53,179 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 71,941 |
| Medical Vocabulary | 0 | - | 4.53 | 53,977 |
| Major Taxonomic Ranks | 0 | - | 4.65 | 71,754 |
| Famous Scientists | 0 | - | 4.59 | 40,101 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.66 | 43,011 |
| Things Named For People #3 - Science | 0 | - | 4.82 | 48,640 |
| Elemental Words | 0 | - | 4.96 | 47,804 |
| Metals of Antiquity | 0 | - | 4.93 | 86,073 |
| Medical Specialties | 0 | - | 4.30 | 85,765 |
| The Diseases They Had | 0 | - | 4.15 | 13,184 |
| Elements - Sudden Death | 0 | - | 4.91 | 68,864 |
| Scientific Names | 0 | - | 4.36 | 62,425 |
| Dumb it Down Doc | 0 | - | 4.13 | 62,303 |
| Click the Planet | 0 | - | 4.92 | 55,914 |
| Science Multiple Choice #1 | 0 | - | 4.54 | 80,546 |
| Chemical Elements with Short Names | 0 | - | 4.66 | 76,136 |
| Random Symbol to Element | 0 | - | 4.87 | 83,788 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 163,512 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.76 | 58,114 |
| Astronomy Quiz | 0 | - | 4.87 | 65,132 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 118,504 |
| Solar System Trivia | 0 | - | 4.95 | 39,097 |
| Body Part Cliches | 0 | - | 4.42 | 119,397 |
| Simple Machines Quiz | 0 | - | 4.32 | 8,447 |
| Click the Chemical Element | 0 | - | 4.96 | 67,443 |
| Name a Valid Answer - Science | 0 | - | 4.72 | 33,015 |
| Science General Knowledge #1 | 0 | - | 4.63 | 140,155 |
| Science General Knowledge #2 | 0 | - | 4.45 | 98,028 |
| Science General Knowledge #3 | 0 | - | 4.54 | 89,157 |
| Science Vocabulary #2 | 0 | - | 4.50 | 54,859 |
| Word Chain - Science | 0 | - | 4.65 | 50,676 |
| Science Multiple Choice #2 | 0 | - | 4.38 | 33,488 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 140,625 |
| Lightest Chemical Elements A-Z | 0 | - | 4.56 | 30,964 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,014,610 |
| Environmental Issues | 0 | - | 4.53 | 25,496 |
| Body Parts in History and Culture | 0 | - | 4.48 | 33,034 |
| A Quiz About Diamonds | 0 | - | 4.62 | 9,607 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.51 | 9,842 |
| First Names of Scientists | 0 | - | 4.47 | 52,647 |
| Groups of Two - Science | 0 | - | 4.31 | 46,267 |
| Science Vocabulary #1 | 0 | - | 4.36 | 66,657 |
| Science Vocabulary #3 | 0 | - | 4.31 | 48,297 |
| Science Decoder | 0 | - | 4.51 | 27,461 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.47 | 27,309 |
| Animals - Taxonomy to Common Name | 0 | - | 4.75 | 25,934 |
| Science True or False | 0 | - | 4.34 | 36,593 |
| Science Multiple Choice #3 | 0 | - | 4.37 | 31,422 |
| Answers are Elements #2 | 0 | - | 4.41 | 52,508 |
| Elements by Picture | 0 | - | 4.30 | 64,077 |
| Periodic Table Elements A-Z | 0 | - | 4.79 | 86,274 |
| Name a Valid Element | 0 | - | 4.71 | 64,622 |
| Name the Constellations - With a Map | 0 | - | 4.90 | 31,587 |
| The Sun Quiz | 0 | - | 4.93 | 29,229 |
| "Ologies" Quiz | 0 | - | 4.34 | 90,629 |
| Albert Einstein Quiz | 0 | - | 4.54 | 17,419 |
| Fish... or Not a Fish? | 0 | - | 4.43 | 39,544 |
| Answers are Elements #1 | 0 | - | 4.31 | 50,994 |
| Most Guessed Elements on JetPunk | 0 | - | 4.55 | 46,789 |
| Element... or Pokémon? | 0 | - | 4.97 | 114,889 |
| Planets By Picture Quiz | 0 | - | 4.55 | 49,213 |
| Planets - Multiple Choice | 0 | - | 4.48 | 48,007 |
| Body Part Words Quiz | 0 | - | 4.44 | 139,494 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 58,022 |
| Word Scramble - Body Parts | 0 | - | 4.35 | 169,165 |
| Three Letter Body Parts Quiz | 0 | - | 4.39 | 199,643 |
| Human Body A-Z | 0 | - | 4.49 | 109,232 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 80,703 |
| Organs of the Human Body (with map) | 0 | - | 4.12 | 107,390 |
| Medical Acronyms | 0 | - | 4.40 | 88,987 |
| Birthstones Quiz | 0 | - | 4.41 | 78,055 |
| The Pluto Quiz | 0 | - | 4.66 | 8,947 |
| Citrus Fruits | 0 | - | 3.58 | 40,733 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.78 | 66,258 |
| Category Elimination - Elements | 0 | - | 4.66 | 48,354 |
| Astronomy Decoder | 0 | - | 4.51 | 35,417 |
| The Jupiter Quiz | 0 | - | 4.61 | 15,446 |
| The Mars Quiz | 0 | - | 4.53 | 17,515 |
| The Saturn Quiz | 0 | - | 4.59 | 10,832 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.26 | 18,678 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 195,529 |
| Name the Constellations Quiz | 0 | - | 4.57 | 41,568 |
| Brightest Objects in the Sky | 0 | - | 4.38 | 16,459 |
| Astronomy True or False | 0 | - | 4.36 | 33,966 |
| Songs with Body Parts in the Title | 0 | - | 4.30 | 203,694 |
| Most Common Body Part Words | 0 | - | 3.92 | 30,077 |
| Body Parts - No Vowels | 0 | - | 4.14 | 22,092 |
| The Venus Quiz | 0 | - | 4.11 | 6,410 |
| Countries with Glaciers | 0 | - | 4.97 | 96,909 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 25,946 |
| U.S. States with Glaciers | 0 | - | 4.59 | 21,610 |
| Largest Countries Without Glaciers | 0 | - | 4.90 | 22,810 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,866 |
| Animals by Skeleton Image | 0 | - | 4.79 | 39,105 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 12,786 |
| Countries with the Most HIV | 0 | - | 4.50 | 42,977 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 31,998 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.13 | 21,741 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 95,343 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.02 | 48,239 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.92 | 48,439 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 32,537 |
| Top 10 Solar Power Countries | 0 | - | 4.77 | 57,156 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 23,917 |
| Worst Plastic Polluting Countries | 0 | - | 4.55 | 60,860 |
| Countries that Desalinate the Most Water | 0 | - | 4.79 | 37,314 |
| Countries with the Most Forest | 0 | - | 4.89 | 138,023 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.29 | 33,655 |
| Least-Forested Countries | 0 | - | 4.51 | 61,227 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.66 | 59,907 |
| Countries with the Most Forest A-Z | 0 | - | 4.57 | 51,644 |
| Most Forested European Countries | 0 | - | 4.82 | 69,006 |
| Least Forested European Countries | 0 | - | 4.31 | 51,019 |
| Least Forested Countries in Asia | 0 | - | 4.79 | 61,024 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.63 | 35,585 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 35,318 |
| Tropical Rainforest Countries | 0 | - | 4.64 | 69,740 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.58 | 44,852 |
| Elements Named for Countries | 0 | - | 4.50 | 19,747 |
