| Name the Virus | 0 | - | 4.87 | 75,238 |
| Medical Conditions Quiz | 0 | - | 4.78 | 121,656 |
| International Scientific Units | 0 | - | 4.96 | 151,484 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 61,055 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 37,555 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,160,232 |
| Elements by Symbol Quiz | 0 | - | 4.91 | 191,154 |
| Speed Symbol by Element | 0 | - | 4.92 | 100,972 |
| Chemical Elements with Short Names | 0 | - | 4.82 | 91,689 |
| Noble Gases | 0 | - | 4.89 | 75,674 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 62,676 |
| Periodic Table Symbols Quiz | 0 | - | 4.97 | 67,240 |
| Elements with One-Letter Symbols | 0 | - | 4.82 | 78,792 |
| Medical Vocabulary | 0 | - | 4.54 | 57,449 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 77,888 |
| Famous Scientists | 0 | - | 4.56 | 41,961 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 46,502 |
| One Letter Periodic Table Symbols - Sudden Death | 0 | - | 4.91 | 46,179 |
| Things Named For People #3 - Science | 0 | - | 4.84 | 52,562 |
| Elemental Words | 0 | - | 4.96 | 51,088 |
| Metals of Antiquity | 0 | - | 4.93 | 91,330 |
| Medical Specialties | 0 | - | 4.30 | 89,621 |
| The Diseases They Had | 0 | - | 4.15 | 13,713 |
| Body Parts - Sudden Death | 0 | - | 4.88 | 55,119 |
| Bones - Sudden Death | 0 | - | 4.93 | 44,112 |
| Elements - Sudden Death | 0 | - | 4.92 | 113,008 |
| Famous Effects | 0 | - | 4.61 | 10,908 |
| Scientific Names | 0 | - | 4.32 | 77,406 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,093 |
| First Twenty Elements - Sudden Death | 0 | - | 4.82 | 30,735 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 84,759 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,663 |
| Random Symbol to Element | 0 | - | 4.89 | 90,496 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.70 | 183,252 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.79 | 61,303 |
| Astronomy Quiz | 0 | - | 4.89 | 79,255 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 131,381 |
| Solar System Trivia | 0 | - | 4.93 | 44,191 |
| Body Part Cliches | 0 | - | 4.43 | 122,175 |
| Click the Planet | 0 | - | 4.95 | 85,025 |
| Simple Machines Quiz | 0 | - | 4.35 | 8,930 |
| Click the Chemical Element | 0 | - | 4.96 | 76,452 |
| Science General Knowledge #1 | 0 | - | 4.53 | 160,224 |
| Science General Knowledge #2 | 0 | - | 4.47 | 114,308 |
| Science General Knowledge #3 | 0 | - | 4.55 | 97,331 |
| Science Vocabulary #2 | 0 | - | 4.52 | 58,253 |
| Word Chain - Science | 0 | - | 4.59 | 53,589 |
| Science Multiple Choice #2 | 0 | - | 4.39 | 35,701 |
| Science Multiple Choice #3 | 0 | - | 4.37 | 33,688 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 148,300 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,072,651 |
| Environmental Issues | 0 | - | 4.53 | 26,441 |
| Name a Valid Answer - Science | 0 | - | 4.78 | 38,434 |
| Body Parts in History and Culture | 0 | - | 4.42 | 34,581 |
| A Quiz About Diamonds | 0 | - | 4.63 | 11,017 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.52 | 11,587 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 34,485 |
| The Sun Quiz | 0 | - | 4.93 | 32,759 |
| First Names of Scientists | 0 | - | 4.50 | 55,628 |
| Groups of Two - Science | 0 | - | 4.25 | 47,717 |
| Science Vocabulary #1 | 0 | - | 4.33 | 70,291 |
| Science Vocabulary #3 | 0 | - | 4.31 | 50,896 |
| Science Decoder | 0 | - | 4.54 | 28,386 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.47 | 28,711 |
| Animals - Taxonomy to Common Name | 0 | - | 4.78 | 27,587 |
| Science True or False | 0 | - | 4.34 | 39,194 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,258 |
| Elements by Picture | 0 | - | 4.27 | 68,321 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 100,360 |
| Name a Valid Element | 0 | - | 4.64 | 68,437 |
| Medical Acronyms | 0 | - | 4.42 | 93,978 |
| "Ologies" Quiz | 0 | - | 4.34 | 94,969 |
| Albert Einstein Quiz | 0 | - | 4.56 | 18,064 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,308 |
| Most Guessed Elements on JetPunk | 0 | - | 4.55 | 47,778 |
| Element... or Pokémon? | 0 | - | 4.98 | 126,150 |
| Planets By Picture Quiz | 0 | - | 4.50 | 54,314 |
| Planets - Multiple Choice | 0 | - | 4.43 | 51,767 |
| Body Part Words Quiz | 0 | - | 4.44 | 143,718 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 59,261 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 174,066 |
| Three Letter Body Parts | 0 | - | 4.39 | 203,443 |
| Human Body A-Z | 0 | - | 4.50 | 126,333 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 86,296 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 115,572 |
| Birthstones Quiz | 0 | - | 4.41 | 79,863 |
| Citrus Fruits | 0 | - | 3.65 | 41,678 |
| Fish... or Not a Fish? | 0 | - | 4.38 | 42,248 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 69,335 |
| Category Elimination - Elements | 0 | - | 4.57 | 52,131 |
| Astronomy Decoder | 0 | - | 4.52 | 37,211 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,132 |
| The Mars Quiz | 0 | - | 4.54 | 18,306 |
| The Saturn Quiz | 0 | - | 4.54 | 11,325 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.23 | 20,162 |
| The Pluto Quiz | 0 | - | 4.63 | 9,547 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 217,011 |
| Name the Constellations Quiz | 0 | - | 4.58 | 43,757 |
| Brightest Natural Objects in the Sky | 0 | - | 4.37 | 19,713 |
| Astronomy True or False | 0 | - | 4.37 | 35,711 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 212,018 |
| Most Common Body Part Words | 0 | - | 3.93 | 31,175 |
| Body Parts - No Vowels | 0 | - | 4.14 | 24,549 |
| The Venus Quiz | 0 | - | 4.17 | 6,763 |
| Countries with the Most Sunlight Per Square Meter | 0 | - | 4.37 | 16,257 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,415 |
| Animals by Skeleton Image | 0 | - | 4.81 | 44,393 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 13,963 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,013 |
| Countries with the Most Malaria Deaths | 0 | - | 4.47 | 43,786 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 22,552 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 108,723 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 48,952 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.88 | 62,921 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,047 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,197 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,319 |
| Worst Plastic Polluting Countries | 0 | - | 4.53 | 64,982 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 40,365 |
| Countries with the Most Forest | 0 | - | 4.87 | 144,624 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.30 | 34,691 |
| Least-Forested Countries | 0 | - | 4.52 | 64,103 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.61 | 62,479 |
| Countries with the Most Forest A-Z | 0 | - | 4.62 | 54,348 |
| Most Forested European Countries | 0 | - | 4.79 | 73,640 |
| Least Forested European Countries | 0 | - | 4.27 | 53,201 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 63,627 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.57 | 37,210 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 45,516 |
| Tropical Rainforest Countries | 0 | - | 4.65 | 80,853 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 54,720 |
| Countries with Glaciers | 0 | - | 4.97 | 103,095 |
| Northernmost Countries Without Glaciers | 0 | - | 4.63 | 26,348 |
| U.S. States with Glaciers | 0 | - | 4.59 | 24,237 |
| Largest Countries Without Glaciers | 0 | - | 4.92 | 33,985 |
| Elements Named for Countries | 0 | - | 4.51 | 23,351 |
