| Medical Conditions Quiz | 0 | - | 4.81 | 117,055 |
| Name the Virus | 0 | - | 4.86 | 72,435 |
| International Scientific Units | 0 | - | 4.96 | 140,250 |
| Electromagnetic Spectrum | 0 | - | 4.94 | 57,375 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.60 | 35,269 |
| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,964,561 |
| Elements by Symbol Quiz | 0 | - | 4.91 | 176,983 |
| Speed Symbol by Element | 0 | - | 4.90 | 92,124 |
| Noble Gases | 0 | - | 4.87 | 69,870 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 58,503 |
| Periodic Table Symbols Quiz | 0 | - | 4.97 | 53,831 |
| Medical Vocabulary | 0 | - | 4.53 | 54,215 |
| Major Taxonomic Ranks | 0 | - | 4.65 | 72,099 |
| Famous Scientists | 0 | - | 4.59 | 40,178 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.66 | 43,207 |
| Things Named For People #3 - Science | 0 | - | 4.82 | 48,849 |
| Elemental Words | 0 | - | 4.96 | 47,969 |
| Metals of Antiquity | 0 | - | 4.94 | 86,364 |
| Medical Specialties | 0 | - | 4.30 | 85,991 |
| The Diseases They Had | 0 | - | 4.15 | 13,211 |
| Elements - Sudden Death | 0 | - | 4.92 | 71,372 |
| Scientific Names | 0 | - | 4.36 | 62,551 |
| Dumb it Down Doc | 0 | - | 4.13 | 62,440 |
| Click the Planet | 0 | - | 4.92 | 56,543 |
| Science Multiple Choice #1 | 0 | - | 4.54 | 80,813 |
| Chemical Elements with Short Names | 0 | - | 4.66 | 76,237 |
| Random Symbol to Element | 0 | - | 4.87 | 84,069 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.70 | 163,788 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.76 | 58,292 |
| Elements with One-Letter Symbols | 0 | - | 4.80 | 72,219 |
| Astronomy Quiz | 0 | - | 4.88 | 72,922 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 119,352 |
| Solar System Trivia | 0 | - | 4.95 | 39,447 |
| Body Part Cliches | 0 | - | 4.42 | 119,538 |
| Simple Machines Quiz | 0 | - | 4.32 | 8,466 |
| Click the Chemical Element | 0 | - | 4.96 | 68,061 |
| Name a Valid Answer - Science | 0 | - | 4.72 | 33,380 |
| Science General Knowledge #1 | 0 | - | 4.55 | 140,694 |
| Science General Knowledge #2 | 0 | - | 4.45 | 98,526 |
| Science General Knowledge #3 | 0 | - | 4.54 | 89,514 |
| Science Vocabulary #2 | 0 | - | 4.50 | 55,067 |
| Word Chain - Science | 0 | - | 4.65 | 50,855 |
| Science Multiple Choice #2 | 0 | - | 4.38 | 33,641 |
| Most Common Elements in the Human Body | 0 | - | 4.72 | 141,021 |
| Lightest Chemical Elements A-Z | 0 | - | 4.56 | 31,002 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,017,219 |
| Environmental Issues | 0 | - | 4.53 | 25,559 |
| Body Parts in History and Culture | 0 | - | 4.48 | 33,141 |
| A Quiz About Diamonds | 0 | - | 4.62 | 9,720 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.51 | 9,956 |
| Name the Constellations - With a Map | 0 | - | 4.90 | 31,856 |
| First Names of Scientists | 0 | - | 4.47 | 52,801 |
| Groups of Two - Science | 0 | - | 4.31 | 46,361 |
| Science Vocabulary #1 | 0 | - | 4.36 | 66,891 |
| Science Vocabulary #3 | 0 | - | 4.31 | 48,456 |
| Science Decoder | 0 | - | 4.51 | 27,539 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.47 | 27,404 |
| Animals - Taxonomy to Common Name | 0 | - | 4.76 | 26,054 |
| Science True or False | 0 | - | 4.34 | 36,767 |
| Science Multiple Choice #3 | 0 | - | 4.37 | 31,567 |
| Answers are Elements #2 | 0 | - | 4.42 | 52,588 |
| Elements by Picture | 0 | - | 4.30 | 64,307 |
| Periodic Table Elements A-Z | 0 | - | 4.75 | 86,634 |
| Name a Valid Element | 0 | - | 4.71 | 64,843 |
| The Sun Quiz | 0 | - | 4.93 | 29,469 |
| Body Parts - Sudden Death | 0 | - | 4.73 | 9,310 |
| "Ologies" Quiz | 0 | - | 4.35 | 91,157 |
| Albert Einstein Quiz | 0 | - | 4.54 | 17,467 |
| Fish... or Not a Fish? | 0 | - | 4.43 | 39,756 |
| Answers are Elements #1 | 0 | - | 4.31 | 51,062 |
| Most Guessed Elements on JetPunk | 0 | - | 4.55 | 46,837 |
| Element... or Pokémon? | 0 | - | 4.97 | 115,531 |
| Planets By Picture Quiz | 0 | - | 4.52 | 49,619 |
| Planets - Multiple Choice | 0 | - | 4.48 | 48,296 |
| Body Part Words Quiz | 0 | - | 4.44 | 139,742 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 58,095 |
| Word Scramble - Body Parts | 0 | - | 4.35 | 169,538 |
| Three Letter Body Parts Quiz | 0 | - | 4.39 | 199,868 |
| Human Body A-Z | 0 | - | 4.49 | 109,534 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 81,333 |
| Organs of the Human Body (with map) | 0 | - | 4.12 | 107,791 |
| Medical Acronyms | 0 | - | 4.40 | 89,243 |
| Birthstones Quiz | 0 | - | 4.41 | 78,146 |
| The Pluto Quiz | 0 | - | 4.66 | 9,009 |
| Citrus Fruits | 0 | - | 3.58 | 40,771 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.76 | 66,451 |
| Category Elimination - Elements | 0 | - | 4.66 | 48,581 |
| Astronomy Decoder | 0 | - | 4.52 | 35,591 |
| The Jupiter Quiz | 0 | - | 4.61 | 15,499 |
| The Mars Quiz | 0 | - | 4.54 | 17,581 |
| The Saturn Quiz | 0 | - | 4.59 | 10,879 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.26 | 18,762 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 196,103 |
| Name the Constellations Quiz | 0 | - | 4.57 | 41,738 |
| Brightest Objects in the Sky | 0 | - | 4.38 | 16,510 |
| Astronomy True or False | 0 | - | 4.36 | 34,132 |
| Songs with Body Parts in the Title | 0 | - | 4.30 | 204,242 |
| Most Common Body Part Words | 0 | - | 3.92 | 30,140 |
| Body Parts - No Vowels | 0 | - | 4.14 | 22,233 |
| The Venus Quiz | 0 | - | 4.13 | 6,449 |
| Countries with Glaciers | 0 | - | 4.97 | 97,474 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 25,965 |
| U.S. States with Glaciers | 0 | - | 4.59 | 21,773 |
| Largest Countries Without Glaciers | 0 | - | 4.90 | 23,066 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,903 |
| Animals by Skeleton Image | 0 | - | 4.79 | 39,347 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 12,856 |
| Countries with the Most HIV | 0 | - | 4.50 | 43,051 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 32,069 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.13 | 21,795 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 95,468 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.02 | 48,285 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.92 | 48,563 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 32,645 |
| Top 10 Solar Power Countries | 0 | - | 4.76 | 57,309 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 24,024 |
| Worst Plastic Polluting Countries | 0 | - | 4.55 | 61,162 |
| Countries that Desalinate the Most Water | 0 | - | 4.79 | 37,535 |
| Countries with the Most Forest | 0 | - | 4.89 | 138,647 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.29 | 33,774 |
| Least-Forested Countries | 0 | - | 4.51 | 61,452 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.66 | 60,095 |
| Countries with the Most Forest A-Z | 0 | - | 4.57 | 51,815 |
| Most Forested European Countries | 0 | - | 4.82 | 69,332 |
| Least Forested European Countries | 0 | - | 4.31 | 51,176 |
| Least Forested Countries in Asia | 0 | - | 4.79 | 61,222 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.63 | 35,712 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 43,590 |
| Tropical Rainforest Countries | 0 | - | 4.66 | 70,929 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.58 | 45,022 |
| Elements Named for Countries | 0 | - | 4.49 | 19,998 |
