| Medical Conditions Quiz | 0 | - | 4.84 | 115,384 |
| Name the Virus | 0 | - | 4.85 | 61,993 |
| International Scientific Units | 0 | - | 4.96 | 137,503 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 56,683 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.60 | 34,444 |
| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,926,276 |
| Elements by Symbol Quiz | 0 | - | 4.91 | 174,363 |
| Speed Symbol by Element | 0 | - | 4.89 | 90,435 |
| Noble Gases | 0 | - | 4.82 | 59,779 |
| Elements that are Gases at Room Temperature | 0 | - | 4.84 | 57,652 |
| Periodic Table Symbols Quiz | 0 | - | 4.97 | 51,614 |
| Elements with One-Letter Symbols | 0 | - | 4.82 | 70,887 |
| Medical Vocabulary | 0 | - | 4.53 | 53,324 |
| Major Taxonomic Ranks | 0 | - | 4.64 | 70,688 |
| Famous Scientists | 0 | - | 4.59 | 39,940 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.66 | 42,404 |
| Things Named For People #3 - Science | 0 | - | 4.82 | 48,040 |
| Elemental Words | 0 | - | 4.96 | 47,341 |
| Metals of Antiquity | 0 | - | 4.94 | 85,356 |
| Medical Specialties | 0 | - | 4.29 | 84,707 |
| The Diseases They Had | 0 | - | 4.15 | 13,090 |
| Scientific Names | 0 | - | 4.36 | 62,104 |
| Dumb it Down Doc | 0 | - | 4.13 | 61,939 |
| Science Multiple Choice #1 | 0 | - | 4.54 | 79,801 |
| Chemical Elements with Short Names | 0 | - | 4.66 | 75,877 |
| Random Symbol to Element | 0 | - | 4.86 | 83,078 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 162,008 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.76 | 56,859 |
| Astronomy Quiz | 0 | - | 4.87 | 64,322 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 116,488 |
| Solar System Trivia | 0 | - | 4.95 | 38,436 |
| Body Part Cliches | 0 | - | 4.42 | 119,119 |
| Click the Planet | 0 | - | 4.91 | 53,757 |
| Simple Machines Quiz | 0 | - | 4.32 | 8,409 |
| Click the Chemical Element | 0 | - | 4.96 | 65,858 |
| Body Parts in History and Culture | 0 | - | 4.48 | 32,780 |
| A Quiz About Diamonds | 0 | - | 4.62 | 9,340 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.51 | 9,532 |
| Science General Knowledge #1 | 0 | - | 4.63 | 138,384 |
| Science General Knowledge #2 | 0 | - | 4.45 | 97,023 |
| Science General Knowledge #3 | 0 | - | 4.57 | 88,016 |
| Science Vocabulary #2 | 0 | - | 4.49 | 54,355 |
| Word Chain - Science | 0 | - | 4.65 | 50,136 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 33,112 |
| Most Common Elements in the Human Body | 0 | - | 4.72 | 139,594 |
| Lightest Chemical Elements A-Z | 0 | - | 4.56 | 30,871 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,007,575 |
| Environmental Issues | 0 | - | 4.52 | 25,347 |
| Name a Valid Answer - Science | 0 | - | 4.72 | 32,000 |
| First Names of Scientists | 0 | - | 4.47 | 52,258 |
| Groups of Two - Science | 0 | - | 4.31 | 46,045 |
| Science Vocabulary #1 | 0 | - | 4.36 | 66,027 |
| Science Vocabulary #3 | 0 | - | 4.31 | 47,845 |
| Science Decoder | 0 | - | 4.51 | 27,315 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.46 | 27,081 |
| Animals - Taxonomy to Common Name | 0 | - | 4.72 | 25,668 |
| Science True or False | 0 | - | 4.34 | 36,145 |
| Science Multiple Choice #3 | 0 | - | 4.36 | 31,048 |
| Answers are Elements #2 | 0 | - | 4.41 | 52,248 |
| Elements by Picture | 0 | - | 4.29 | 63,469 |
| Periodic Table Elements A-Z | 0 | - | 4.79 | 85,281 |
| Name a Valid Element | 0 | - | 4.71 | 63,962 |
| Name the Constellations - With a Map | 0 | - | 4.90 | 31,204 |
| The Sun Quiz | 0 | - | 4.93 | 28,836 |
| Birthstones Quiz | 0 | - | 4.41 | 77,801 |
| "Ologies" Quiz | 0 | - | 4.34 | 90,170 |
| Albert Einstein Quiz | 0 | - | 4.54 | 17,311 |
| Fish... or Not a Fish? | 0 | - | 4.43 | 39,067 |
| Answers are Elements #1 | 0 | - | 4.32 | 50,817 |
| Most Guessed Elements on JetPunk | 0 | - | 4.55 | 46,644 |
| Element... or Pokémon? | 0 | - | 4.97 | 112,890 |
| Planets By Picture Quiz | 0 | - | 4.55 | 48,486 |
| Planets - Multiple Choice | 0 | - | 4.48 | 47,388 |
| Body Part Words Quiz | 0 | - | 4.44 | 138,755 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 57,847 |
| Word Scramble - Body Parts | 0 | - | 4.35 | 168,061 |
| Three Letter Body Parts Quiz | 0 | - | 4.39 | 198,873 |
| Human Body A-Z | 0 | - | 4.49 | 108,152 |
| One-Syllable Human Body Parts | 0 | - | 4.28 | 80,040 |
| Organs of the Human Body (with map) | 0 | - | 4.12 | 106,337 |
| Medical Acronyms | 0 | - | 4.40 | 88,225 |
| Citrus Fruits | 0 | - | 3.58 | 40,653 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.79 | 65,785 |
| Category Elimination - Elements | 0 | - | 4.66 | 47,659 |
| Astronomy Decoder | 0 | - | 4.51 | 35,174 |
| The Jupiter Quiz | 0 | - | 4.61 | 15,348 |
| The Mars Quiz | 0 | - | 4.53 | 17,385 |
| The Saturn Quiz | 0 | - | 4.59 | 10,764 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.25 | 18,422 |
| The Pluto Quiz | 0 | - | 4.65 | 8,857 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 194,624 |
| Name the Constellations Quiz | 0 | - | 4.57 | 41,234 |
| Brightest Objects in the Sky | 0 | - | 4.37 | 16,365 |
| Astronomy True or False | 0 | - | 4.35 | 33,686 |
| Songs with Body Parts in the Title | 0 | - | 4.29 | 201,475 |
| Most Common Body Part Words | 0 | - | 3.92 | 29,897 |
| Body Parts - No Vowels | 0 | - | 4.14 | 21,863 |
| The Venus Quiz | 0 | - | 4.11 | 6,385 |
| Elements Named for Countries | 0 | - | 4.50 | 19,058 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,751 |
| Animals by Skeleton Image | 0 | - | 4.79 | 38,380 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 12,563 |
| Countries with the Most HIV | 0 | - | 4.50 | 42,772 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 31,811 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.13 | 21,605 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 95,126 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.01 | 48,146 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.92 | 48,117 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 32,251 |
| Top 10 Solar Power Countries | 0 | - | 4.77 | 56,706 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 23,637 |
| Worst Plastic Polluting Countries | 0 | - | 4.55 | 60,146 |
| Countries that Desalinate the Most Water | 0 | - | 4.79 | 36,771 |
| Countries with the Most Forest | 0 | - | 4.89 | 136,998 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.29 | 33,484 |
| Least-Forested Countries | 0 | - | 4.51 | 60,727 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.66 | 59,347 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 51,000 |
| Most Forested European Countries | 0 | - | 4.82 | 68,172 |
| Least Forested European Countries | 0 | - | 4.31 | 50,522 |
| Least Forested Countries in Asia | 0 | - | 4.79 | 60,514 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.58 | 35,348 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 35,025 |
| Tropical Rainforest Countries | 0 | - | 4.65 | 69,245 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.58 | 44,498 |
| Countries with Glaciers | 0 | - | 4.98 | 95,700 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 25,870 |
| U.S. States with Glaciers | 0 | - | 4.59 | 21,094 |
| Largest Countries Without Glaciers | 0 | - | 4.90 | 22,176 |
