| Name the Virus | 0 | - | 4.86 | 73,925 |
| Medical Conditions Quiz | 0 | - | 4.78 | 119,494 |
| International Scientific Units | 0 | - | 4.96 | 146,431 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 59,326 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.60 | 36,556 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,075,713 |
| Elements by Symbol Quiz | 0 | - | 4.90 | 184,872 |
| Speed Symbol by Element | 0 | - | 4.91 | 97,122 |
| Chemical Elements with Short Names | 0 | - | 4.83 | 89,462 |
| Noble Gases | 0 | - | 4.89 | 72,825 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 60,724 |
| Periodic Table Symbols Quiz | 0 | - | 4.98 | 61,709 |
| Elements with One-Letter Symbols | 0 | - | 4.81 | 75,923 |
| Medical Vocabulary | 0 | - | 4.54 | 56,029 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 75,424 |
| Famous Scientists | 0 | - | 4.57 | 41,121 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.65 | 45,030 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 51,087 |
| Elemental Words | 0 | - | 4.96 | 49,872 |
| Metals of Antiquity | 0 | - | 4.94 | 89,203 |
| Medical Specialties | 0 | - | 4.30 | 87,982 |
| The Diseases They Had | 0 | - | 4.15 | 13,484 |
| Body Parts - Sudden Death | 0 | - | 4.84 | 46,673 |
| Bones - Sudden Death | 0 | - | 4.92 | 37,566 |
| Elements - Sudden Death | 0 | - | 4.94 | 94,524 |
| One Letter Periodic Table Symbols - Sudden Death | 0 | - | 4.94 | 31,192 |
| Scientific Names | 0 | - | 4.34 | 76,405 |
| Dumb it Down Doc | 0 | - | 4.13 | 63,354 |
| Science Multiple Choice #1 | 0 | - | 4.55 | 83,002 |
| Random Symbol to Element | 0 | - | 4.88 | 87,652 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.70 | 177,212 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 60,057 |
| Astronomy Quiz | 0 | - | 4.89 | 76,497 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 125,942 |
| Solar System Trivia | 0 | - | 4.95 | 42,036 |
| Body Part Cliches | 0 | - | 4.44 | 121,192 |
| Click the Planet | 0 | - | 4.93 | 61,171 |
| Simple Machines Quiz | 0 | - | 4.35 | 8,709 |
| Click the Chemical Element | 0 | - | 4.96 | 72,707 |
| Science General Knowledge #1 | 0 | - | 4.53 | 153,921 |
| Science General Knowledge #2 | 0 | - | 4.45 | 103,030 |
| Science General Knowledge #3 | 0 | - | 4.54 | 93,522 |
| Science Vocabulary #2 | 0 | - | 4.52 | 56,911 |
| Word Chain - Science | 0 | - | 4.58 | 52,345 |
| Science Multiple Choice #2 | 0 | - | 4.39 | 34,765 |
| Science Multiple Choice #3 | 0 | - | 4.37 | 32,740 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 145,200 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,346 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,052,318 |
| Environmental Issues | 0 | - | 4.53 | 26,066 |
| Name a Valid Answer - Science | 0 | - | 4.80 | 36,254 |
| Body Parts in History and Culture | 0 | - | 4.42 | 34,037 |
| A Quiz About Diamonds | 0 | - | 4.62 | 10,484 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.52 | 10,873 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 33,433 |
| First Names of Scientists | 0 | - | 4.50 | 54,374 |
| Groups of Two - Science | 0 | - | 4.25 | 47,159 |
| Science Vocabulary #1 | 0 | - | 4.36 | 68,822 |
| Science Vocabulary #3 | 0 | - | 4.30 | 49,809 |
| Science Decoder | 0 | - | 4.54 | 28,014 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.47 | 28,157 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 26,935 |
| Science True or False | 0 | - | 4.34 | 38,120 |
| Answers are Elements #2 | 0 | - | 4.42 | 53,512 |
| Elements by Picture | 0 | - | 4.28 | 66,599 |
| Periodic Table Elements A-Z | 0 | - | 4.75 | 89,754 |
| Name a Valid Element | 0 | - | 4.64 | 66,735 |
| The Sun Quiz | 0 | - | 4.93 | 31,268 |
| Medical Acronyms | 0 | - | 4.42 | 91,847 |
| "Ologies" Quiz | 0 | - | 4.34 | 92,867 |
| Albert Einstein Quiz | 0 | - | 4.55 | 17,791 |
| Fish... or Not a Fish? | 0 | - | 4.43 | 41,162 |
| Answers are Elements #1 | 0 | - | 4.30 | 51,720 |
| Most Guessed Elements on JetPunk | 0 | - | 4.55 | 47,342 |
| Element... or Pokémon? | 0 | - | 4.97 | 120,972 |
| Planets By Picture Quiz | 0 | - | 4.49 | 52,231 |
| Planets - Multiple Choice | 0 | - | 4.43 | 50,168 |
| Body Part Words Quiz | 0 | - | 4.44 | 142,156 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 58,755 |
| Word Scramble - Body Parts | 0 | - | 4.36 | 172,138 |
| Three Letter Body Parts Quiz | 0 | - | 4.39 | 201,481 |
| Human Body A-Z | 0 | - | 4.50 | 124,082 |
| One-Syllable Human Body Parts | 0 | - | 4.30 | 83,947 |
| Organs of the Human Body (with map) | 0 | - | 4.11 | 111,839 |
| Birthstones Quiz | 0 | - | 4.41 | 79,063 |
| Citrus Fruits | 0 | - | 3.60 | 41,264 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.75 | 68,057 |
| Category Elimination - Elements | 0 | - | 4.57 | 50,477 |
| Astronomy Decoder | 0 | - | 4.52 | 36,510 |
| The Jupiter Quiz | 0 | - | 4.64 | 15,821 |
| The Mars Quiz | 0 | - | 4.54 | 17,944 |
| The Saturn Quiz | 0 | - | 4.54 | 11,099 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.23 | 19,496 |
| The Pluto Quiz | 0 | - | 4.63 | 9,308 |
| Signs of the Zodiac Quiz | 0 | - | 4.46 | 214,193 |
| Name the Constellations Quiz | 0 | - | 4.58 | 42,927 |
| Brightest Objects in the Sky | 0 | - | 4.40 | 16,808 |
| Astronomy True or False | 0 | - | 4.37 | 35,006 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 208,711 |
| Most Common Body Part Words | 0 | - | 3.92 | 30,716 |
| Body Parts - No Vowels | 0 | - | 4.13 | 23,778 |
| The Venus Quiz | 0 | - | 4.15 | 6,598 |
| Countries with the Most Sunlight Per Square Meter | 0 | - | 4.36 | 15,107 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.37 | 14,179 |
| Animals by Skeleton Image | 0 | - | 4.80 | 41,688 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 13,462 |
| Countries with the Most HIV | 0 | - | 4.47 | 43,579 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 32,711 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 22,243 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 101,014 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 48,673 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.81 | 53,539 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 33,434 |
| Top 10 Solar Power Countries | 0 | - | 4.77 | 58,408 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 24,836 |
| Worst Plastic Polluting Countries | 0 | - | 4.55 | 63,352 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 39,157 |
| Countries with the Most Forest | 0 | - | 4.88 | 141,951 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.29 | 34,306 |
| Least-Forested Countries | 0 | - | 4.52 | 62,895 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.62 | 61,516 |
| Countries with the Most Forest A-Z | 0 | - | 4.55 | 53,289 |
| Most Forested European Countries | 0 | - | 4.78 | 72,143 |
| Least Forested European Countries | 0 | - | 4.29 | 52,353 |
| Least Forested Countries in Asia | 0 | - | 4.77 | 62,661 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.61 | 36,579 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 44,786 |
| Tropical Rainforest Countries | 0 | - | 4.64 | 79,616 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.56 | 46,062 |
| U.S. States with Glaciers | 0 | - | 4.59 | 23,221 |
| Largest Countries Without Glaciers | 0 | - | 4.92 | 32,542 |
| Elements Named for Countries | 0 | - | 4.51 | 21,953 |
| Countries with Glaciers | 0 | - | 4.97 | 100,576 |
| Northernmost Countries Without Glaciers | 0 | - | 4.63 | 26,184 |
