| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,949,828 |
| Elements by Symbol Quiz | 0 | - | 4.91 | 175,809 |
| Speed Symbol by Element | 0 | - | 4.90 | 91,475 |
| Noble Gases | 0 | - | 4.83 | 60,464 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 58,134 |
| Periodic Table Symbols Quiz | 0 | - | 4.97 | 52,914 |
| Elements with One-Letter Symbols | 0 | - | 4.82 | 71,718 |
| Elemental Words | 0 | - | 4.96 | 47,695 |
| Metals of Antiquity | 0 | - | 4.93 | 85,904 |
| Elements - Sudden Death | 0 | - | 4.91 | 67,825 |
| Random Symbol to Element | 0 | - | 4.87 | 83,655 |
| Chemical Elements with Short Names | 0 | - | 4.66 | 76,075 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 163,270 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.76 | 58,018 |
| International Scientific Units | 0 | - | 4.96 | 139,122 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 57,152 |
| Click the Chemical Element | 0 | - | 4.96 | 67,082 |
| Lightest Chemical Elements A-Z | 0 | - | 4.56 | 30,947 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.51 | 9,780 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 140,445 |
| Answers are Elements #2 | 0 | - | 4.41 | 52,473 |
| Elements by Picture | 0 | - | 4.29 | 63,971 |
| Periodic Table Elements A-Z | 0 | - | 4.79 | 86,113 |
| Name a Valid Element | 0 | - | 4.71 | 64,518 |
| Medical Conditions Quiz | 0 | - | 4.82 | 116,661 |
| Name the Virus | 0 | - | 4.86 | 72,158 |
| Major Taxonomic Ranks | 0 | - | 4.65 | 71,570 |
| Famous Scientists | 0 | - | 4.59 | 40,062 |
| Most Guessed Elements on JetPunk | 0 | - | 4.55 | 46,750 |
| Element... or Pokémon? | 0 | - | 4.97 | 114,612 |
| Things Named For People #3 - Science | 0 | - | 4.82 | 48,558 |
| Answers are Elements #1 | 0 | - | 4.31 | 50,956 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.78 | 66,172 |
| Category Elimination - Elements | 0 | - | 4.66 | 48,253 |
| Scientific Names | 0 | - | 4.36 | 62,370 |
| Click the Planet | 0 | - | 4.92 | 55,020 |
| Science Multiple Choice #1 | 0 | - | 4.54 | 80,428 |
| Astronomy Quiz | 0 | - | 4.87 | 65,005 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 118,169 |
| Solar System Trivia | 0 | - | 4.95 | 38,986 |
| Body Part Cliches | 0 | - | 4.42 | 119,359 |
| Simple Machines Quiz | 0 | - | 4.32 | 8,443 |
| Name a Valid Answer - Science | 0 | - | 4.72 | 32,898 |
| Science General Knowledge #1 | 0 | - | 4.63 | 139,945 |
| Science General Knowledge #2 | 0 | - | 4.45 | 97,896 |
| Science General Knowledge #3 | 0 | - | 4.54 | 89,031 |
| Science Vocabulary #2 | 0 | - | 4.50 | 54,785 |
| Word Chain - Science | 0 | - | 4.65 | 50,590 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.60 | 35,027 |
| Science Multiple Choice #2 | 0 | - | 4.38 | 33,412 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,013,519 |
| Environmental Issues | 0 | - | 4.53 | 25,468 |
| Body Parts in History and Culture | 0 | - | 4.48 | 32,993 |
| A Quiz About Diamonds | 0 | - | 4.62 | 9,573 |
| First Names of Scientists | 0 | - | 4.47 | 52,581 |
| Groups of Two - Science | 0 | - | 4.31 | 46,236 |
| Science Vocabulary #1 | 0 | - | 4.36 | 66,553 |
| Science Vocabulary #3 | 0 | - | 4.31 | 48,219 |
| Science Decoder | 0 | - | 4.51 | 27,441 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.47 | 27,272 |
| Animals - Taxonomy to Common Name | 0 | - | 4.76 | 25,885 |
| Science True or False | 0 | - | 4.34 | 36,515 |
| Science Multiple Choice #3 | 0 | - | 4.37 | 31,363 |
| Name the Constellations - With a Map | 0 | - | 4.90 | 31,525 |
| The Sun Quiz | 0 | - | 4.93 | 29,165 |
| Medical Vocabulary | 0 | - | 4.53 | 53,874 |
| "Ologies" Quiz | 0 | - | 4.34 | 90,544 |
| Albert Einstein Quiz | 0 | - | 4.54 | 17,396 |
| Fish... or Not a Fish? | 0 | - | 4.43 | 39,476 |
| Planets By Picture Quiz | 0 | - | 4.55 | 49,108 |
| Planets - Multiple Choice | 0 | - | 4.48 | 47,903 |
| Body Part Words Quiz | 0 | - | 4.44 | 139,409 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 57,990 |
| Word Scramble - Body Parts | 0 | - | 4.35 | 169,022 |
| Three Letter Body Parts Quiz | 0 | - | 4.39 | 199,559 |
| Human Body A-Z | 0 | - | 4.49 | 109,112 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 80,599 |
| Organs of the Human Body (with map) | 0 | - | 4.12 | 107,226 |
| Medical Specialties | 0 | - | 4.30 | 85,646 |
| Medical Acronyms | 0 | - | 4.40 | 88,855 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.66 | 42,924 |
| Birthstones Quiz | 0 | - | 4.41 | 78,017 |
| The Pluto Quiz | 0 | - | 4.66 | 8,937 |
| Citrus Fruits | 0 | - | 3.58 | 40,719 |
| Astronomy Decoder | 0 | - | 4.51 | 35,375 |
| The Jupiter Quiz | 0 | - | 4.61 | 15,428 |
| The Mars Quiz | 0 | - | 4.53 | 17,501 |
| The Saturn Quiz | 0 | - | 4.59 | 10,820 |
| The Diseases They Had | 0 | - | 4.15 | 13,173 |
| Dumb it Down Doc | 0 | - | 4.13 | 62,263 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.26 | 18,637 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 195,394 |
| Name the Constellations Quiz | 0 | - | 4.57 | 41,527 |
| Brightest Objects in the Sky | 0 | - | 4.38 | 16,444 |
| Astronomy True or False | 0 | - | 4.36 | 33,933 |
| Songs with Body Parts in the Title | 0 | - | 4.30 | 203,466 |
| Most Common Body Part Words | 0 | - | 3.92 | 30,049 |
| Body Parts - No Vowels | 0 | - | 4.14 | 22,052 |
| The Venus Quiz | 0 | - | 4.11 | 6,407 |
| Countries with Glaciers | 0 | - | 4.97 | 96,775 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 25,938 |
| U.S. States with Glaciers | 0 | - | 4.59 | 21,538 |
| Largest Countries Without Glaciers | 0 | - | 4.90 | 22,703 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,856 |
| Animals by Skeleton Image | 0 | - | 4.79 | 39,005 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 12,758 |
| Countries with the Most HIV | 0 | - | 4.50 | 42,946 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 31,971 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.13 | 21,722 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 95,312 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.02 | 48,227 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.92 | 48,393 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 32,494 |
| Top 10 Solar Power Countries | 0 | - | 4.77 | 57,082 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 23,867 |
| Worst Plastic Polluting Countries | 0 | - | 4.55 | 60,749 |
| Countries that Desalinate the Most Water | 0 | - | 4.79 | 37,235 |
| Countries with the Most Forest | 0 | - | 4.89 | 137,866 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.29 | 33,625 |
| Least-Forested Countries | 0 | - | 4.51 | 61,146 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.66 | 59,830 |
| Countries with the Most Forest A-Z | 0 | - | 4.57 | 51,562 |
| Most Forested European Countries | 0 | - | 4.82 | 68,886 |
| Least Forested European Countries | 0 | - | 4.31 | 50,926 |
| Least Forested Countries in Asia | 0 | - | 4.79 | 60,940 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.63 | 35,545 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 35,277 |
| Tropical Rainforest Countries | 0 | - | 4.64 | 69,675 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.58 | 44,801 |
| Elements Named for Countries | 0 | - | 4.50 | 19,637 |
