| Medical Conditions Quiz | 0 | - | 4.84 | 114,856 |
| Name the Virus | 0 | - | 4.85 | 61,667 |
| International Scientific Units | 0 | - | 4.96 | 136,275 |
| Electromagnetic Spectrum | 0 | - | 4.91 | 46,761 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.59 | 34,166 |
| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,909,147 |
| Elements by Symbol Quiz | 0 | - | 4.91 | 172,865 |
| Speed Symbol by Element | 0 | - | 4.89 | 89,548 |
| Noble Gases | 0 | - | 4.82 | 59,174 |
| Elements that are Gases at Room Temperature | 0 | - | 4.84 | 57,191 |
| Periodic Table Symbols Quiz | 0 | - | 4.98 | 50,584 |
| Elements with One-Letter Symbols | 0 | - | 4.82 | 70,166 |
| Medical Vocabulary | 0 | - | 4.55 | 52,976 |
| Major Taxonomic Ranks | 0 | - | 4.64 | 69,999 |
| Famous Scientists | 0 | - | 4.58 | 39,761 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.66 | 42,040 |
| Things Named For People #3 - Science | 0 | - | 4.82 | 47,679 |
| Elemental Words | 0 | - | 4.96 | 46,996 |
| Metals of Antiquity | 0 | - | 4.94 | 84,825 |
| Medical Specialties | 0 | - | 4.29 | 84,327 |
| The Diseases They Had | 0 | - | 4.13 | 13,053 |
| Scientific Names | 0 | - | 4.36 | 61,828 |
| Dumb it Down Doc | 0 | - | 4.12 | 61,775 |
| Science Multiple Choice #1 | 0 | - | 4.57 | 79,301 |
| Chemical Elements with Short Names | 0 | - | 4.66 | 75,693 |
| Random Symbol to Element | 0 | - | 4.86 | 82,159 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 160,768 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.56 | 48,840 |
| Astronomy Quiz | 0 | - | 4.87 | 63,770 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 115,029 |
| Solar System Trivia | 0 | - | 4.95 | 37,960 |
| Body Part Cliches | 0 | - | 4.42 | 118,553 |
| Click the Planet | 0 | - | 4.91 | 52,664 |
| Simple Machines Quiz | 0 | - | 4.31 | 8,370 |
| Click the Chemical Element | 0 | - | 4.96 | 64,745 |
| Body Parts in History and Culture | 0 | - | 4.48 | 32,583 |
| A Quiz About Diamonds | 0 | - | 4.61 | 9,163 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.55 | 9,226 |
| Science General Knowledge #1 | 0 | - | 4.65 | 137,291 |
| Science General Knowledge #2 | 0 | - | 4.47 | 96,161 |
| Science General Knowledge #3 | 0 | - | 4.66 | 87,355 |
| Science Vocabulary #2 | 0 | - | 4.51 | 53,977 |
| Word Chain - Science | 0 | - | 4.65 | 49,785 |
| Science Multiple Choice #2 | 0 | - | 4.35 | 32,844 |
| Most Common Elements in the Human Body | 0 | - | 4.72 | 138,846 |
| Lightest Chemical Elements A-Z | 0 | - | 4.56 | 30,818 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,002,387 |
| Environmental Issues | 0 | - | 4.52 | 25,238 |
| First Names of Scientists | 0 | - | 4.47 | 52,027 |
| Groups of Two - Science | 0 | - | 4.33 | 45,879 |
| Science Vocabulary #1 | 0 | - | 4.36 | 65,622 |
| Science Vocabulary #3 | 0 | - | 4.32 | 47,568 |
| Science Decoder | 0 | - | 4.51 | 27,203 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.45 | 26,908 |
| Animals - Taxonomy to Common Name | 0 | - | 4.72 | 25,462 |
| Science True or False | 0 | - | 4.33 | 35,797 |
| Science Multiple Choice #3 | 0 | - | 4.38 | 30,774 |
| Answers are Elements #2 | 0 | - | 4.41 | 52,097 |
| Metals by Total Mined Value | 0 | - | 4.70 | 39,724 |
| Elements by Picture | 0 | - | 4.29 | 62,987 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 84,584 |
| Name a Valid Element | 0 | - | 4.72 | 63,490 |
| Name the Constellations - With a Map | 0 | - | 4.90 | 30,949 |
| The Sun Quiz | 0 | - | 4.93 | 28,514 |
| Name a Valid Answer - Science | 0 | - | 4.71 | 31,339 |
| Birthstones Quiz | 0 | - | 4.41 | 77,489 |
| "Ologies" Quiz | 0 | - | 4.34 | 89,783 |
| Albert Einstein Quiz | 0 | - | 4.54 | 17,242 |
| Fish... or Not a Fish? | 0 | - | 4.42 | 38,697 |
| Answers are Elements #1 | 0 | - | 4.32 | 50,688 |
| Most Guessed Elements on JetPunk | 0 | - | 4.55 | 46,554 |
| Element... or Pokémon? | 0 | - | 4.97 | 111,446 |
| Planets By Picture Quiz | 0 | - | 4.54 | 47,939 |
| Planets - Multiple Choice | 0 | - | 4.47 | 46,812 |
| Body Part Words Quiz | 0 | - | 4.44 | 138,134 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 57,722 |
| Word Scramble - Body Parts | 0 | - | 4.35 | 167,457 |
| Three Letter Body Parts Quiz | 0 | - | 4.39 | 198,552 |
| Human Body A-Z | 0 | - | 4.48 | 107,625 |
| One-Syllable Human Body Parts | 0 | - | 4.28 | 79,580 |
| Organs of the Human Body (with map) | 0 | - | 4.12 | 104,903 |
| Medical Acronyms | 0 | - | 4.40 | 87,766 |
| Citrus Fruits | 0 | - | 3.56 | 40,593 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.79 | 65,422 |
| Category Elimination - Elements | 0 | - | 4.66 | 47,211 |
| Astronomy Decoder | 0 | - | 4.51 | 34,981 |
| The Jupiter Quiz | 0 | - | 4.61 | 15,280 |
| The Mars Quiz | 0 | - | 4.52 | 17,307 |
| The Saturn Quiz | 0 | - | 4.58 | 10,718 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.23 | 18,238 |
| The Pluto Quiz | 0 | - | 4.65 | 8,787 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 193,847 |
| Name the Constellations Quiz | 0 | - | 4.57 | 41,030 |
| Brightest Objects in the Sky | 0 | - | 4.36 | 16,292 |
| Astronomy True or False | 0 | - | 4.35 | 33,506 |
| Songs with Body Parts in the Title | 0 | - | 4.29 | 200,207 |
| Most Common Body Part Words | 0 | - | 3.91 | 29,786 |
| Body Parts - No Vowels | 0 | - | 4.13 | 21,607 |
| The Venus Quiz | 0 | - | 4.08 | 6,350 |
| Elements Named for Countries | 0 | - | 4.49 | 18,561 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,696 |
| Animals by Skeleton Image | 0 | - | 4.79 | 37,816 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 12,438 |
| Countries with the Most HIV | 0 | - | 4.50 | 42,653 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 31,670 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.13 | 21,522 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 94,761 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.01 | 48,083 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.92 | 47,862 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 32,096 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 56,445 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 23,417 |
| Worst Plastic Polluting Countries | 0 | - | 4.55 | 59,626 |
| Countries that Desalinate the Most Water | 0 | - | 4.79 | 36,384 |
| Countries with the Most Forest | 0 | - | 4.88 | 135,957 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.29 | 33,380 |
| Least-Forested Countries | 0 | - | 4.51 | 60,375 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.66 | 58,977 |
| Countries with the Most Forest A-Z | 0 | - | 4.59 | 50,667 |
| Most Forested European Countries | 0 | - | 4.82 | 67,614 |
| Least Forested European Countries | 0 | - | 4.30 | 50,199 |
| Least Forested Countries in Asia | 0 | - | 4.79 | 60,148 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.57 | 35,193 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.48 | 34,823 |
| Tropical Rainforest Countries | 0 | - | 4.65 | 68,863 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.59 | 44,267 |
| Countries with Glaciers | 0 | - | 4.98 | 93,635 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 25,828 |
| U.S. States with Glaciers | 0 | - | 4.59 | 20,714 |
| Largest Countries Without Glaciers | 0 | - | 4.90 | 21,744 |
