| Medical Conditions Quiz | 0 | - | 4.84 | 114,853 |
| Name the Virus | 0 | - | 4.85 | 61,667 |
| International Scientific Units | 0 | - | 4.96 | 136,268 |
| Electromagnetic Spectrum | 0 | - | 4.91 | 46,761 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.59 | 34,165 |
| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,909,074 |
| Elements by Symbol Quiz | 0 | - | 4.91 | 172,864 |
| Speed Symbol by Element | 0 | - | 4.89 | 89,548 |
| Noble Gases | 0 | - | 4.82 | 59,171 |
| Elements that are Gases at Room Temperature | 0 | - | 4.84 | 57,186 |
| Periodic Table Symbols Quiz | 0 | - | 4.98 | 50,582 |
| Elements with One-Letter Symbols | 0 | - | 4.82 | 70,165 |
| Medical Vocabulary | 0 | - | 4.55 | 52,976 |
| Major Taxonomic Ranks | 0 | - | 4.64 | 69,998 |
| 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 | 84,822 |
| Medical Specialties | 0 | - | 4.29 | 84,324 |
| 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 | 79,300 |
| Chemical Elements with Short Names | 0 | - | 4.66 | 75,693 |
| Random Symbol to Element | 0 | - | 4.86 | 82,158 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 160,767 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.56 | 48,839 |
| Astronomy Quiz | 0 | - | 4.87 | 63,767 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 115,016 |
| Solar System Trivia | 0 | - | 4.95 | 37,958 |
| Body Part Cliches | 0 | - | 4.42 | 118,552 |
| Click the Planet | 0 | - | 4.91 | 52,656 |
| Simple Machines Quiz | 0 | - | 4.31 | 8,370 |
| Click the Chemical Element | 0 | - | 4.96 | 64,739 |
| Body Parts in History and Culture | 0 | - | 4.48 | 32,582 |
| A Quiz About Diamonds | 0 | - | 4.61 | 9,162 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.55 | 9,226 |
| Science General Knowledge #1 | 0 | - | 4.65 | 137,285 |
| Science General Knowledge #2 | 0 | - | 4.47 | 96,158 |
| Science General Knowledge #3 | 0 | - | 4.66 | 87,351 |
| Science Vocabulary #2 | 0 | - | 4.51 | 53,977 |
| Word Chain - Science | 0 | - | 4.65 | 49,785 |
| Science Multiple Choice #2 | 0 | - | 4.35 | 32,843 |
| Most Common Elements in the Human Body | 0 | - | 4.72 | 138,844 |
| Lightest Chemical Elements A-Z | 0 | - | 4.56 | 30,818 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,002,359 |
| Environmental Issues | 0 | - | 4.52 | 25,238 |
| First Names of Scientists | 0 | - | 4.47 | 52,026 |
| Groups of Two - Science | 0 | - | 4.33 | 45,878 |
| Science Vocabulary #1 | 0 | - | 4.36 | 65,620 |
| Science Vocabulary #3 | 0 | - | 4.32 | 47,567 |
| Science Decoder | 0 | - | 4.51 | 27,203 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.45 | 26,906 |
| Animals - Taxonomy to Common Name | 0 | - | 4.72 | 25,462 |
| Science True or False | 0 | - | 4.33 | 35,796 |
| Science Multiple Choice #3 | 0 | - | 4.38 | 30,773 |
| 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 | 62,985 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 84,581 |
| Name a Valid Element | 0 | - | 4.72 | 63,488 |
| Name the Constellations - With a Map | 0 | - | 4.90 | 30,947 |
| The Sun Quiz | 0 | - | 4.93 | 28,510 |
| Name a Valid Answer - Science | 0 | - | 4.71 | 31,336 |
| Birthstones Quiz | 0 | - | 4.41 | 77,489 |
| "Ologies" Quiz | 0 | - | 4.34 | 89,779 |
| Albert Einstein Quiz | 0 | - | 4.54 | 17,242 |
| Fish... or Not a Fish? | 0 | - | 4.42 | 38,695 |
| Answers are Elements #1 | 0 | - | 4.32 | 50,688 |
| Most Guessed Elements on JetPunk | 0 | - | 4.55 | 46,553 |
| Element... or Pokémon? | 0 | - | 4.97 | 111,441 |
| Planets By Picture Quiz | 0 | - | 4.54 | 47,935 |
| Planets - Multiple Choice | 0 | - | 4.47 | 46,811 |
| Body Part Words Quiz | 0 | - | 4.44 | 138,130 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 57,722 |
| Word Scramble - Body Parts | 0 | - | 4.35 | 167,454 |
| Three Letter Body Parts Quiz | 0 | - | 4.39 | 198,549 |
| Human Body A-Z | 0 | - | 4.48 | 107,625 |
| One-Syllable Human Body Parts | 0 | - | 4.28 | 79,579 |
| Organs of the Human Body (with map) | 0 | - | 4.12 | 104,900 |
| Medical Acronyms | 0 | - | 4.40 | 87,764 |
| Citrus Fruits | 0 | - | 3.56 | 40,592 |
| 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 | 15,279 |
| 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 | 18,237 |
| The Pluto Quiz | 0 | - | 4.65 | 8,787 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 193,846 |
| 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 | 200,202 |
| Most Common Body Part Words | 0 | - | 3.91 | 29,786 |
| Body Parts - No Vowels | 0 | - | 4.13 | 21,602 |
| The Venus Quiz | 0 | - | 4.08 | 6,350 |
| Elements Named for Countries | 0 | - | 4.49 | 18,558 |
| 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 | 42,651 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 31,670 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.13 | 21,521 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 94,760 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.01 | 48,083 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.92 | 47,861 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 32,096 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 56,443 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 23,417 |
| Worst Plastic Polluting Countries | 0 | - | 4.55 | 59,624 |
| Countries that Desalinate the Most Water | 0 | - | 4.79 | 36,383 |
| Countries with the Most Forest | 0 | - | 4.88 | 135,953 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.29 | 33,380 |
| Least-Forested Countries | 0 | - | 4.51 | 60,373 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.66 | 58,975 |
| Countries with the Most Forest A-Z | 0 | - | 4.59 | 50,664 |
| Most Forested European Countries | 0 | - | 4.82 | 67,611 |
| Least Forested European Countries | 0 | - | 4.30 | 50,195 |
| Least Forested Countries in Asia | 0 | - | 4.79 | 60,146 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.57 | 35,193 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.48 | 34,822 |
| Tropical Rainforest Countries | 0 | - | 4.65 | 68,861 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.59 | 44,266 |
| Countries with Glaciers | 0 | - | 4.98 | 93,601 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 25,828 |
| U.S. States with Glaciers | 0 | - | 4.59 | 20,710 |
| Largest Countries Without Glaciers | 0 | - | 4.90 | 21,742 |
