| Medical Conditions Quiz | 0 | - | 4.84 | 114,797 |
| Name the Virus | 0 | - | 4.85 | 61,637 |
| International Scientific Units | 0 | - | 4.96 | 136,170 |
| Electromagnetic Spectrum | 0 | - | 4.91 | 46,717 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.59 | 34,134 |
| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,907,058 |
| Elements by Symbol Quiz | 0 | - | 4.91 | 172,722 |
| Speed Symbol by Element | 0 | - | 4.89 | 89,460 |
| Noble Gases | 0 | - | 4.82 | 59,119 |
| Elements that are Gases at Room Temperature | 0 | - | 4.84 | 57,139 |
| Periodic Table Symbols Quiz | 0 | - | 4.98 | 50,476 |
| Elements with One-Letter Symbols | 0 | - | 4.82 | 70,061 |
| Medical Vocabulary | 0 | - | 4.55 | 52,927 |
| Major Taxonomic Ranks | 0 | - | 4.64 | 69,926 |
| Famous Scientists | 0 | - | 4.58 | 39,751 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.66 | 41,997 |
| Things Named For People #3 - Science | 0 | - | 4.82 | 47,636 |
| Elemental Words | 0 | - | 4.96 | 46,959 |
| Metals of Antiquity | 0 | - | 4.94 | 84,727 |
| Medical Specialties | 0 | - | 4.29 | 84,283 |
| The Diseases They Had | 0 | - | 4.13 | 13,048 |
| Scientific Names | 0 | - | 4.37 | 61,799 |
| Dumb it Down Doc | 0 | - | 4.12 | 61,751 |
| Science Multiple Choice #1 | 0 | - | 4.57 | 79,232 |
| Chemical Elements with Short Names | 0 | - | 4.66 | 75,434 |
| Random Symbol to Element | 0 | - | 4.86 | 82,096 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 160,655 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.56 | 48,807 |
| Astronomy Quiz | 0 | - | 4.87 | 63,705 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 114,838 |
| Solar System Trivia | 0 | - | 4.95 | 37,891 |
| Body Part Cliches | 0 | - | 4.42 | 118,525 |
| Click the Planet | 0 | - | 4.91 | 52,558 |
| Simple Machines Quiz | 0 | - | 4.31 | 8,370 |
| Click the Chemical Element | 0 | - | 4.96 | 64,609 |
| Body Parts in History and Culture | 0 | - | 4.48 | 32,559 |
| A Quiz About Diamonds | 0 | - | 4.61 | 9,138 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.55 | 9,207 |
| Science General Knowledge #1 | 0 | - | 4.64 | 136,762 |
| Science General Knowledge #2 | 0 | - | 4.47 | 95,752 |
| Science General Knowledge #3 | 0 | - | 4.66 | 87,136 |
| Science Vocabulary #2 | 0 | - | 4.51 | 53,934 |
| Word Chain - Science | 0 | - | 4.65 | 49,726 |
| Science Multiple Choice #2 | 0 | - | 4.35 | 32,813 |
| Most Common Elements in the Human Body | 0 | - | 4.72 | 138,730 |
| Lightest Chemical Elements A-Z | 0 | - | 4.56 | 30,814 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,001,688 |
| Environmental Issues | 0 | - | 4.52 | 25,223 |
| First Names of Scientists | 0 | - | 4.47 | 52,001 |
| Groups of Two - Science | 0 | - | 4.33 | 45,854 |
| Science Vocabulary #1 | 0 | - | 4.36 | 65,568 |
| Science Vocabulary #3 | 0 | - | 4.32 | 47,533 |
| Science Decoder | 0 | - | 4.51 | 27,189 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.45 | 26,890 |
| Animals - Taxonomy to Common Name | 0 | - | 4.72 | 25,436 |
| Science True or False | 0 | - | 4.33 | 35,753 |
| Science Multiple Choice #3 | 0 | - | 4.38 | 30,743 |
| Answers are Elements #2 | 0 | - | 4.41 | 52,085 |
| Metals by Total Mined Value | 0 | - | 4.70 | 39,694 |
| Elements by Picture | 0 | - | 4.29 | 62,934 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 84,504 |
| Name a Valid Element | 0 | - | 4.72 | 63,422 |
| Name the Constellations - With a Map | 0 | - | 4.90 | 30,903 |
| The Sun Quiz | 0 | - | 4.93 | 28,476 |
| Name a Valid Answer - Science | 0 | - | 4.71 | 31,248 |
| Birthstones Quiz | 0 | - | 4.41 | 77,473 |
| "Ologies" Quiz | 0 | - | 4.34 | 89,755 |
| Albert Einstein Quiz | 0 | - | 4.54 | 17,236 |
| Fish... or Not a Fish? | 0 | - | 4.42 | 38,652 |
| Answers are Elements #1 | 0 | - | 4.32 | 50,680 |
| Most Guessed Elements on JetPunk | 0 | - | 4.55 | 46,550 |
| Element... or Pokémon? | 0 | - | 4.97 | 111,311 |
| Planets By Picture Quiz | 0 | - | 4.54 | 47,870 |
| Planets - Multiple Choice | 0 | - | 4.47 | 46,759 |
| Body Part Words Quiz | 0 | - | 4.44 | 138,082 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 57,710 |
| Word Scramble - Body Parts | 0 | - | 4.35 | 167,381 |
| Three Letter Body Parts Quiz | 0 | - | 4.39 | 198,517 |
| Human Body A-Z | 0 | - | 4.48 | 107,588 |
| One-Syllable Human Body Parts | 0 | - | 4.28 | 79,527 |
| Organs of the Human Body (with map) | 0 | - | 4.12 | 104,822 |
| Medical Acronyms | 0 | - | 4.40 | 87,716 |
| Citrus Fruits | 0 | - | 3.56 | 40,584 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.79 | 65,370 |
| Category Elimination - Elements | 0 | - | 4.65 | 47,167 |
| Astronomy Decoder | 0 | - | 4.51 | 34,963 |
| The Jupiter Quiz | 0 | - | 4.61 | 15,265 |
| The Mars Quiz | 0 | - | 4.52 | 17,295 |
| The Saturn Quiz | 0 | - | 4.58 | 10,710 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.23 | 18,218 |
| The Pluto Quiz | 0 | - | 4.65 | 8,774 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 193,790 |
| Name the Constellations Quiz | 0 | - | 4.57 | 41,003 |
| Brightest Objects in the Sky | 0 | - | 4.36 | 16,284 |
| Astronomy True or False | 0 | - | 4.35 | 33,491 |
| Songs with Body Parts in the Title | 0 | - | 4.29 | 200,077 |
| Most Common Body Part Words | 0 | - | 3.91 | 29,775 |
| Body Parts - No Vowels | 0 | - | 4.12 | 21,284 |
| The Venus Quiz | 0 | - | 4.08 | 6,346 |
| Elements Named for Countries | 0 | - | 4.49 | 18,504 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,689 |
| Animals by Skeleton Image | 0 | - | 4.79 | 37,752 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 12,422 |
| Countries with the Most HIV | 0 | - | 4.50 | 42,638 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 31,660 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.13 | 21,513 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 94,696 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.01 | 48,078 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.92 | 47,811 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 32,072 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 56,412 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 23,396 |
| Worst Plastic Polluting Countries | 0 | - | 4.55 | 59,543 |
| Countries that Desalinate the Most Water | 0 | - | 4.79 | 36,315 |
| Countries with the Most Forest | 0 | - | 4.89 | 135,811 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.29 | 33,374 |
| Least-Forested Countries | 0 | - | 4.51 | 60,323 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.66 | 58,935 |
| Countries with the Most Forest A-Z | 0 | - | 4.58 | 50,624 |
| Most Forested European Countries | 0 | - | 4.82 | 67,542 |
| Least Forested European Countries | 0 | - | 4.30 | 50,153 |
| Least Forested Countries in Asia | 0 | - | 4.79 | 60,109 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.57 | 35,170 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.48 | 34,805 |
| Tropical Rainforest Countries | 0 | - | 4.66 | 68,803 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.59 | 44,213 |
| Countries with Glaciers | 0 | - | 4.98 | 90,609 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 25,814 |
| U.S. States with Glaciers | 0 | - | 4.59 | 20,660 |
| Largest Countries Without Glaciers | 0 | - | 4.90 | 21,654 |
