| Name the Virus | 0 | - | 4.86 | 76,517 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,612 |
| International Scientific Units | 0 | - | 4.95 | 155,976 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,458 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,545 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,230,186 |
| Elements by Symbol | 0 | - | 4.92 | 196,269 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,090 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,701 |
| Noble Gases | 0 | - | 4.89 | 77,752 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,285 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,510 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,205 |
| Medical Vocabulary | 0 | - | 4.54 | 58,853 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,139 |
| Famous Scientists | 0 | - | 4.57 | 42,530 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,228 |
| Elements Whose First Letter Doesn't Match the Symbol | 0 | - | 4.87 | 17,253 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,752 |
| Elemental Words | 0 | - | 4.96 | 52,116 |
| Metals of Antiquity | 0 | - | 4.94 | 93,115 |
| Medical Specialties | 0 | - | 4.32 | 91,177 |
| The Diseases They Had | 0 | - | 4.15 | 13,960 |
| Body Parts - Sudden Death #1 | 0 | - | 4.85 | 62,101 |
| Bones - Sudden Death | 0 | - | 4.95 | 49,789 |
| First Twenty Elements - Sudden Death | 0 | - | 4.83 | 35,518 |
| Elements - Sudden Death | 0 | - | 4.91 | 128,193 |
| One Letter Periodic Table Symbols - Sudden Death | 0 | - | 4.88 | 54,536 |
| Scientific Names | 0 | - | 4.32 | 78,279 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,838 |
| Famous Effects | 0 | - | 4.62 | 12,284 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,249 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,950 |
| Random Symbol to Element | 0 | - | 4.88 | 92,502 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 187,913 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,332 |
| Astronomy Quiz | 0 | - | 4.90 | 82,103 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 136,375 |
| Solar System Trivia | 0 | - | 4.93 | 46,316 |
| Body Part Cliches | 0 | - | 4.43 | 123,183 |
| Bones of the Human Body | 0 | - | 4.52 | 41,532 |
| Click the Planet | 0 | - | 4.96 | 90,735 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,090 |
| Click the Chemical Element | 0 | - | 4.96 | 79,766 |
| Name a Valid Answer - Science | 0 | - | 4.79 | 40,371 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,200 |
| A Quiz About Diamonds | 0 | - | 4.60 | 11,474 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.52 | 12,082 |
| Science General Knowledge #1 | 0 | - | 4.54 | 164,094 |
| Science General Knowledge #2 | 0 | - | 4.48 | 117,220 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,700 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,410 |
| Word Chain - Science | 0 | - | 4.59 | 54,601 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,426 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,476 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,136 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,093,676 |
| Environmental Issues | 0 | - | 4.54 | 26,773 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,780 |
| The Sun Quiz | 0 | - | 4.93 | 34,330 |
| First Names of Scientists | 0 | - | 4.50 | 56,625 |
| Groups of Two - Science | 0 | - | 4.26 | 48,208 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,561 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,776 |
| Science Decoder | 0 | - | 4.52 | 28,686 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,229 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,184 |
| Science True or False | 0 | - | 4.35 | 40,124 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,897 |
| Elements by Picture | 0 | - | 4.27 | 69,729 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,487 |
| Name a Valid Element | 0 | - | 4.64 | 69,769 |
| Medical Acronyms | 0 | - | 4.43 | 96,529 |
| Birthstones by Month | 0 | - | 4.41 | 80,553 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,506 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,339 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,489 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,750 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,143 |
| Element... or Pokémon? | 0 | - | 4.98 | 130,896 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 28,038 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,457 |
| Planets - Multiple Choice | 0 | - | 4.41 | 53,338 |
| Body Part Words | 0 | - | 4.43 | 145,554 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,736 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,039 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,432 |
| Human Body A-Z | 0 | - | 4.51 | 128,864 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,927 |
| Organs of the Human Body (with map) | 0 | - | 4.11 | 118,846 |
| The Pluto Quiz | 0 | - | 4.61 | 9,806 |
| Citrus Fruits | 0 | - | 3.63 | 41,986 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,331 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,491 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,421 |
| Astronomy Decoder | 0 | - | 4.50 | 37,925 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,421 |
| The Mars Quiz | 0 | - | 4.55 | 18,606 |
| The Saturn Quiz | 0 | - | 4.54 | 11,529 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,708 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 224,620 |
| Name the Constellations | 0 | - | 4.58 | 44,834 |
| Astronomy True or False | 0 | - | 4.39 | 36,347 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,266 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,584 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,190 |
| The Venus Quiz | 0 | - | 4.21 | 6,901 |
| U.S. States with Glaciers | 0 | - | 4.61 | 25,139 |
| Largest Countries Without Glaciers | 0 | - | 4.92 | 35,197 |
| Elements Named for Countries | 0 | - | 4.52 | 24,539 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,677 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,173 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,409 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,379 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,062 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.11 | 24,613 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,606 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,131 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,395 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,531 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,875 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,735 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,275 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,468 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,857 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,533 |
| Least-Forested Countries | 0 | - | 4.53 | 65,029 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,294 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,320 |
| Most Forested European Countries | 0 | - | 4.80 | 75,095 |
| Least Forested European Countries | 0 | - | 4.25 | 53,880 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,551 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,735 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,401 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,862 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,519 |
| Countries with Glaciers | 0 | - | 4.97 | 104,840 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,101 |
| Countries with the Most Sunlight Per Square Meter | 0 | - | 4.35 | 17,119 |
