| Medical Conditions Quiz | 0 | - | 4.83 | 114,770 |
| Name the Virus | 0 | - | 4.85 | 61,625 |
| International Scientific Units | 0 | - | 4.96 | 136,084 |
| Electromagnetic Spectrum | 0 | - | 4.91 | 46,702 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.59 | 34,116 |
| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,906,001 |
| Elements by Symbol Quiz | 0 | - | 4.91 | 172,639 |
| Speed Symbol by Element | 0 | - | 4.89 | 89,422 |
| Noble Gases | 0 | - | 4.82 | 59,091 |
| Elements that are Gases at Room Temperature | 0 | - | 4.84 | 57,116 |
| Periodic Table Symbols Quiz | 0 | - | 4.98 | 50,450 |
| Elements with One-Letter Symbols | 0 | - | 4.82 | 70,023 |
| Medical Vocabulary | 0 | - | 4.55 | 52,916 |
| Major Taxonomic Ranks | 0 | - | 4.64 | 69,887 |
| Famous Scientists | 0 | - | 4.58 | 39,744 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.66 | 41,980 |
| Things Named For People #3 - Science | 0 | - | 4.82 | 47,620 |
| Elemental Words | 0 | - | 4.96 | 46,936 |
| Metals of Antiquity | 0 | - | 4.94 | 84,686 |
| Medical Specialties | 0 | - | 4.29 | 84,262 |
| The Diseases They Had | 0 | - | 4.13 | 13,047 |
| Scientific Names | 0 | - | 4.37 | 61,789 |
| Dumb it Down Doc | 0 | - | 4.12 | 61,744 |
| Science Multiple Choice #1 | 0 | - | 4.63 | 79,193 |
| Chemical Elements with Short Names | 0 | - | 4.66 | 75,425 |
| Random Symbol to Element | 0 | - | 4.86 | 82,053 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 160,613 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.56 | 48,791 |
| Astronomy Quiz | 0 | - | 4.87 | 63,676 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 114,718 |
| Solar System Trivia | 0 | - | 4.94 | 37,860 |
| Body Part Cliches | 0 | - | 4.42 | 118,518 |
| Click the Planet | 0 | - | 4.90 | 52,517 |
| Simple Machines Quiz | 0 | - | 4.31 | 8,368 |
| Click the Chemical Element | 0 | - | 4.96 | 64,547 |
| Body Parts in History and Culture | 0 | - | 4.48 | 32,550 |
| A Quiz About Diamonds | 0 | - | 4.61 | 9,131 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.55 | 9,194 |
| Science General Knowledge #1 | 0 | - | 4.64 | 136,683 |
| Science General Knowledge #2 | 0 | - | 4.47 | 95,716 |
| Science General Knowledge #3 | 0 | - | 4.66 | 87,102 |
| Science Vocabulary #2 | 0 | - | 4.51 | 53,904 |
| Word Chain - Science | 0 | - | 4.65 | 49,705 |
| Science Multiple Choice #2 | 0 | - | 4.35 | 32,802 |
| Most Common Elements in the Human Body | 0 | - | 4.72 | 138,665 |
| Lightest Chemical Elements A-Z | 0 | - | 4.56 | 30,812 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,001,398 |
| Environmental Issues | 0 | - | 4.52 | 25,216 |
| First Names of Scientists | 0 | - | 4.47 | 51,992 |
| Groups of Two - Science | 0 | - | 4.33 | 45,836 |
| Science Vocabulary #1 | 0 | - | 4.36 | 65,545 |
| Science Vocabulary #3 | 0 | - | 4.32 | 47,512 |
| Science Decoder | 0 | - | 4.51 | 27,187 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.45 | 26,886 |
| Animals - Taxonomy to Common Name | 0 | - | 4.72 | 25,432 |
| Science True or False | 0 | - | 4.33 | 35,731 |
| Science Multiple Choice #3 | 0 | - | 4.38 | 30,729 |
| Answers are Elements #2 | 0 | - | 4.41 | 52,074 |
| Metals by Total Mined Value | 0 | - | 4.70 | 39,685 |
| Elements by Picture | 0 | - | 4.29 | 62,914 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 84,473 |
| Name a Valid Element | 0 | - | 4.72 | 63,395 |
| Name the Constellations - With a Map | 0 | - | 4.90 | 30,868 |
| The Sun Quiz | 0 | - | 4.93 | 28,468 |
| Name a Valid Answer - Science | 0 | - | 4.71 | 31,207 |
| Birthstones Quiz | 0 | - | 4.41 | 77,464 |
| "Ologies" Quiz | 0 | - | 4.34 | 89,735 |
| Albert Einstein Quiz | 0 | - | 4.54 | 17,232 |
| Fish... or Not a Fish? | 0 | - | 4.42 | 38,639 |
| Answers are Elements #1 | 0 | - | 4.32 | 50,665 |
| Most Guessed Elements on JetPunk | 0 | - | 4.55 | 46,544 |
| Element... or Pokémon? | 0 | - | 4.97 | 111,241 |
| Planets By Picture Quiz | 0 | - | 4.54 | 47,838 |
| Planets - Multiple Choice | 0 | - | 4.47 | 46,728 |
| Body Part Words Quiz | 0 | - | 4.44 | 138,055 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 57,704 |
| Word Scramble - Body Parts | 0 | - | 4.35 | 167,339 |
| Three Letter Body Parts Quiz | 0 | - | 4.39 | 198,494 |
| Human Body A-Z | 0 | - | 4.48 | 107,557 |
| One-Syllable Human Body Parts | 0 | - | 4.28 | 79,500 |
| Organs of the Human Body (with map) | 0 | - | 4.12 | 104,784 |
| Medical Acronyms | 0 | - | 4.40 | 87,695 |
| Citrus Fruits | 0 | - | 3.56 | 40,578 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.79 | 65,347 |
| Category Elimination - Elements | 0 | - | 4.65 | 47,147 |
| Astronomy Decoder | 0 | - | 4.51 | 34,954 |
| The Jupiter Quiz | 0 | - | 4.61 | 15,262 |
| The Mars Quiz | 0 | - | 4.52 | 17,288 |
| The Saturn Quiz | 0 | - | 4.58 | 10,708 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.23 | 18,215 |
| The Pluto Quiz | 0 | - | 4.65 | 8,770 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 193,770 |
| Name the Constellations Quiz | 0 | - | 4.57 | 40,982 |
| Brightest Objects in the Sky | 0 | - | 4.36 | 16,281 |
| Astronomy True or False | 0 | - | 4.35 | 33,480 |
| Songs with Body Parts in the Title | 0 | - | 4.29 | 200,016 |
| Most Common Body Part Words | 0 | - | 3.91 | 29,770 |
| Body Parts - No Vowels | 0 | - | 4.12 | 21,278 |
| The Venus Quiz | 0 | - | 4.08 | 6,343 |
| Elements Named for Countries | 0 | - | 4.49 | 18,482 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,686 |
| Animals by Skeleton Image | 0 | - | 4.79 | 37,724 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 12,415 |
| Countries with the Most HIV | 0 | - | 4.50 | 42,627 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 31,647 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.13 | 21,508 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 94,647 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.01 | 48,074 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.92 | 47,768 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 32,059 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 56,391 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 23,387 |
| Worst Plastic Polluting Countries | 0 | - | 4.55 | 59,489 |
| Countries that Desalinate the Most Water | 0 | - | 4.79 | 36,273 |
| Countries with the Most Forest | 0 | - | 4.89 | 135,712 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.29 | 33,368 |
| Least-Forested Countries | 0 | - | 4.51 | 60,292 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.66 | 58,907 |
| Countries with the Most Forest A-Z | 0 | - | 4.58 | 50,605 |
| Most Forested European Countries | 0 | - | 4.82 | 67,508 |
| Least Forested European Countries | 0 | - | 4.30 | 50,130 |
| Least Forested Countries in Asia | 0 | - | 4.79 | 60,097 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.57 | 35,146 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.48 | 34,796 |
| Tropical Rainforest Countries | 0 | - | 4.66 | 68,770 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.59 | 44,169 |
| Countries with Glaciers | 0 | - | 4.98 | 86,607 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 25,804 |
| U.S. States with Glaciers | 0 | - | 4.59 | 20,643 |
| Largest Countries Without Glaciers | 0 | - | 4.90 | 21,601 |
