| Medical Conditions Quiz | 0 | - | 4.81 | 117,057 |
| Name the Virus | 0 | - | 4.86 | 72,437 |
| International Scientific Units | 0 | - | 4.96 | 140,256 |
| Electromagnetic Spectrum | 0 | - | 4.94 | 57,375 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.60 | 35,272 |
| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,964,661 |
| Elements by Symbol Quiz | 0 | - | 4.91 | 176,986 |
| Speed Symbol by Element | 0 | - | 4.90 | 92,126 |
| Noble Gases | 0 | - | 4.87 | 69,872 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 58,505 |
| Periodic Table Symbols Quiz | 0 | - | 4.97 | 53,841 |
| Medical Vocabulary | 0 | - | 4.53 | 54,216 |
| Major Taxonomic Ranks | 0 | - | 4.65 | 72,103 |
| Famous Scientists | 0 | - | 4.59 | 40,178 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.66 | 43,207 |
| Things Named For People #3 - Science | 0 | - | 4.82 | 48,850 |
| Elemental Words | 0 | - | 4.96 | 47,969 |
| Metals of Antiquity | 0 | - | 4.94 | 86,366 |
| Medical Specialties | 0 | - | 4.30 | 85,992 |
| The Diseases They Had | 0 | - | 4.15 | 13,211 |
| Elements - Sudden Death | 0 | - | 4.92 | 71,405 |
| Scientific Names | 0 | - | 4.36 | 62,551 |
| Dumb it Down Doc | 0 | - | 4.13 | 62,441 |
| Click the Planet | 0 | - | 4.92 | 56,545 |
| Science Multiple Choice #1 | 0 | - | 4.54 | 80,814 |
| Chemical Elements with Short Names | 0 | - | 4.66 | 76,238 |
| Random Symbol to Element | 0 | - | 4.87 | 84,070 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.70 | 163,789 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.76 | 58,292 |
| Elements with One-Letter Symbols | 0 | - | 4.80 | 72,220 |
| Astronomy Quiz | 0 | - | 4.88 | 72,946 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 119,360 |
| Solar System Trivia | 0 | - | 4.95 | 39,449 |
| Body Part Cliches | 0 | - | 4.42 | 119,538 |
| Simple Machines Quiz | 0 | - | 4.32 | 8,467 |
| Click the Chemical Element | 0 | - | 4.96 | 68,066 |
| Name a Valid Answer - Science | 0 | - | 4.72 | 33,382 |
| Science General Knowledge #1 | 0 | - | 4.55 | 140,698 |
| Science General Knowledge #2 | 0 | - | 4.45 | 98,531 |
| Science General Knowledge #3 | 0 | - | 4.54 | 89,516 |
| Science Vocabulary #2 | 0 | - | 4.50 | 55,067 |
| Word Chain - Science | 0 | - | 4.65 | 50,856 |
| Science Multiple Choice #2 | 0 | - | 4.38 | 33,641 |
| Most Common Elements in the Human Body | 0 | - | 4.72 | 141,024 |
| Lightest Chemical Elements A-Z | 0 | - | 4.56 | 31,002 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,017,241 |
| Environmental Issues | 0 | - | 4.53 | 25,562 |
| Body Parts in History and Culture | 0 | - | 4.48 | 33,143 |
| A Quiz About Diamonds | 0 | - | 4.62 | 9,720 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.51 | 9,956 |
| Name the Constellations - With a Map | 0 | - | 4.90 | 31,856 |
| First Names of Scientists | 0 | - | 4.47 | 52,801 |
| Groups of Two - Science | 0 | - | 4.31 | 46,362 |
| Science Vocabulary #1 | 0 | - | 4.36 | 66,892 |
| Science Vocabulary #3 | 0 | - | 4.31 | 48,457 |
| Science Decoder | 0 | - | 4.51 | 27,540 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.47 | 27,404 |
| Animals - Taxonomy to Common Name | 0 | - | 4.76 | 26,054 |
| Science True or False | 0 | - | 4.34 | 36,767 |
| Science Multiple Choice #3 | 0 | - | 4.37 | 31,569 |
| Answers are Elements #2 | 0 | - | 4.42 | 52,588 |
| Elements by Picture | 0 | - | 4.30 | 64,308 |
| Periodic Table Elements A-Z | 0 | - | 4.75 | 86,638 |
| Name a Valid Element | 0 | - | 4.71 | 64,843 |
| The Sun Quiz | 0 | - | 4.93 | 29,473 |
| Body Parts - Sudden Death | 0 | - | 4.73 | 9,338 |
| "Ologies" Quiz | 0 | - | 4.35 | 91,160 |
| Albert Einstein Quiz | 0 | - | 4.54 | 17,467 |
| Fish... or Not a Fish? | 0 | - | 4.43 | 39,757 |
| Answers are Elements #1 | 0 | - | 4.31 | 51,062 |
| Most Guessed Elements on JetPunk | 0 | - | 4.55 | 46,838 |
| Element... or Pokémon? | 0 | - | 4.97 | 115,534 |
| Planets By Picture Quiz | 0 | - | 4.52 | 49,621 |
| Planets - Multiple Choice | 0 | - | 4.48 | 48,297 |
| Body Part Words Quiz | 0 | - | 4.44 | 139,744 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 58,098 |
| Word Scramble - Body Parts | 0 | - | 4.35 | 169,541 |
| Three Letter Body Parts Quiz | 0 | - | 4.39 | 199,870 |
| Human Body A-Z | 0 | - | 4.49 | 109,541 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 81,334 |
| Organs of the Human Body (with map) | 0 | - | 4.12 | 107,794 |
| Medical Acronyms | 0 | - | 4.40 | 89,246 |
| Birthstones Quiz | 0 | - | 4.41 | 78,147 |
| The Pluto Quiz | 0 | - | 4.66 | 9,009 |
| Citrus Fruits | 0 | - | 3.58 | 40,771 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.76 | 66,451 |
| Category Elimination - Elements | 0 | - | 4.66 | 48,584 |
| Astronomy Decoder | 0 | - | 4.52 | 35,591 |
| The Jupiter Quiz | 0 | - | 4.61 | 15,499 |
| The Mars Quiz | 0 | - | 4.54 | 17,581 |
| The Saturn Quiz | 0 | - | 4.59 | 10,879 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.26 | 18,763 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 196,105 |
| Name the Constellations Quiz | 0 | - | 4.57 | 41,740 |
| Brightest Objects in the Sky | 0 | - | 4.38 | 16,510 |
| Astronomy True or False | 0 | - | 4.36 | 34,133 |
| Songs with Body Parts in the Title | 0 | - | 4.30 | 204,249 |
| Most Common Body Part Words | 0 | - | 3.92 | 30,141 |
| Body Parts - No Vowels | 0 | - | 4.14 | 22,234 |
| The Venus Quiz | 0 | - | 4.13 | 6,449 |
| Countries with Glaciers | 0 | - | 4.97 | 97,486 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 25,967 |
| U.S. States with Glaciers | 0 | - | 4.59 | 21,774 |
| Largest Countries Without Glaciers | 0 | - | 4.90 | 23,072 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,903 |
| Animals by Skeleton Image | 0 | - | 4.79 | 39,349 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 12,858 |
| Countries with the Most HIV | 0 | - | 4.50 | 43,051 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 32,070 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.13 | 21,796 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 95,481 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.02 | 48,286 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.92 | 48,566 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 32,650 |
| Top 10 Solar Power Countries | 0 | - | 4.76 | 57,312 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 24,024 |
| Worst Plastic Polluting Countries | 0 | - | 4.55 | 61,166 |
| Countries that Desalinate the Most Water | 0 | - | 4.79 | 37,537 |
| Countries with the Most Forest | 0 | - | 4.89 | 138,655 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.29 | 33,774 |
| Least-Forested Countries | 0 | - | 4.51 | 61,462 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.66 | 60,100 |
| Countries with the Most Forest A-Z | 0 | - | 4.57 | 51,816 |
| Most Forested European Countries | 0 | - | 4.82 | 69,342 |
| Least Forested European Countries | 0 | - | 4.31 | 51,181 |
| Least Forested Countries in Asia | 0 | - | 4.79 | 61,223 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.63 | 35,731 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 43,593 |
| Tropical Rainforest Countries | 0 | - | 4.66 | 72,113 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.58 | 45,032 |
| Elements Named for Countries | 0 | - | 4.49 | 19,998 |
