| Name the Virus | 0 | - | 4.86 | 73,905 |
| Medical Conditions Quiz | 0 | - | 4.78 | 119,472 |
| International Scientific Units | 0 | - | 4.96 | 146,347 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 59,294 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.60 | 36,540 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,074,340 |
| Elements by Symbol Quiz | 0 | - | 4.90 | 184,711 |
| Speed Symbol by Element | 0 | - | 4.91 | 97,039 |
| Chemical Elements with Short Names | 0 | - | 4.83 | 89,416 |
| Noble Gases | 0 | - | 4.89 | 72,775 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 60,680 |
| Periodic Table Symbols Quiz | 0 | - | 4.97 | 61,608 |
| Elements with One-Letter Symbols | 0 | - | 4.81 | 75,876 |
| Medical Vocabulary | 0 | - | 4.54 | 56,016 |
| Major Taxonomic Ranks | 0 | - | 4.64 | 75,387 |
| Famous Scientists | 0 | - | 4.57 | 41,114 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.65 | 45,009 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 51,071 |
| Elemental Words | 0 | - | 4.96 | 49,845 |
| Metals of Antiquity | 0 | - | 4.94 | 89,160 |
| Medical Specialties | 0 | - | 4.30 | 87,966 |
| The Diseases They Had | 0 | - | 4.15 | 13,483 |
| Body Parts - Sudden Death | 0 | - | 4.83 | 46,530 |
| Bones - Sudden Death | 0 | - | 4.92 | 37,418 |
| Elements - Sudden Death | 0 | - | 4.94 | 94,220 |
| One Letter Periodic Table Symbols - Sudden Death | 0 | - | 4.93 | 30,354 |
| Scientific Names | 0 | - | 4.34 | 76,384 |
| Dumb it Down Doc | 0 | - | 4.13 | 63,341 |
| Science Multiple Choice #1 | 0 | - | 4.55 | 82,977 |
| Random Symbol to Element | 0 | - | 4.88 | 87,615 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.70 | 177,053 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 60,031 |
| Astronomy Quiz | 0 | - | 4.89 | 76,454 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 125,869 |
| Solar System Trivia | 0 | - | 4.95 | 41,997 |
| Body Part Cliches | 0 | - | 4.44 | 121,177 |
| Click the Planet | 0 | - | 4.93 | 61,089 |
| Simple Machines Quiz | 0 | - | 4.35 | 8,706 |
| Click the Chemical Element | 0 | - | 4.96 | 72,619 |
| Science General Knowledge #1 | 0 | - | 4.53 | 153,515 |
| Science General Knowledge #2 | 0 | - | 4.45 | 102,940 |
| Science General Knowledge #3 | 0 | - | 4.55 | 93,435 |
| Science Vocabulary #2 | 0 | - | 4.52 | 56,885 |
| Word Chain - Science | 0 | - | 4.58 | 52,336 |
| Science Multiple Choice #2 | 0 | - | 4.39 | 34,752 |
| Science Multiple Choice #3 | 0 | - | 4.37 | 32,728 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 145,162 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,340 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,051,851 |
| Environmental Issues | 0 | - | 4.52 | 26,059 |
| Name a Valid Answer - Science | 0 | - | 4.80 | 36,212 |
| Body Parts in History and Culture | 0 | - | 4.42 | 34,034 |
| A Quiz About Diamonds | 0 | - | 4.62 | 10,476 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.52 | 10,867 |
| Name the Constellations - With a Map | 0 | - | 4.90 | 33,419 |
| First Names of Scientists | 0 | - | 4.50 | 54,333 |
| Groups of Two - Science | 0 | - | 4.27 | 47,150 |
| Science Vocabulary #1 | 0 | - | 4.36 | 68,789 |
| Science Vocabulary #3 | 0 | - | 4.30 | 49,787 |
| Science Decoder | 0 | - | 4.54 | 28,005 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.47 | 28,148 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 26,925 |
| Science True or False | 0 | - | 4.34 | 38,100 |
| Answers are Elements #2 | 0 | - | 4.42 | 53,499 |
| Elements by Picture | 0 | - | 4.28 | 66,565 |
| Periodic Table Elements A-Z | 0 | - | 4.75 | 89,713 |
| Name a Valid Element | 0 | - | 4.64 | 66,703 |
| The Sun Quiz | 0 | - | 4.93 | 31,252 |
| Medical Acronyms | 0 | - | 4.42 | 91,827 |
| "Ologies" Quiz | 0 | - | 4.34 | 92,856 |
| Albert Einstein Quiz | 0 | - | 4.55 | 17,787 |
| Fish... or Not a Fish? | 0 | - | 4.43 | 41,146 |
| Answers are Elements #1 | 0 | - | 4.30 | 51,714 |
| Most Guessed Elements on JetPunk | 0 | - | 4.55 | 47,331 |
| Element... or Pokémon? | 0 | - | 4.97 | 120,882 |
| Planets By Picture Quiz | 0 | - | 4.49 | 52,189 |
| Planets - Multiple Choice | 0 | - | 4.43 | 50,151 |
| Body Part Words Quiz | 0 | - | 4.44 | 142,133 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 58,745 |
| Word Scramble - Body Parts | 0 | - | 4.36 | 172,111 |
| Three Letter Body Parts Quiz | 0 | - | 4.39 | 201,470 |
| Human Body A-Z | 0 | - | 4.50 | 124,051 |
| One-Syllable Human Body Parts | 0 | - | 4.30 | 83,923 |
| Organs of the Human Body (with map) | 0 | - | 4.11 | 111,807 |
| Birthstones Quiz | 0 | - | 4.41 | 79,045 |
| Citrus Fruits | 0 | - | 3.60 | 41,258 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.75 | 68,034 |
| Category Elimination - Elements | 0 | - | 4.57 | 50,454 |
| Astronomy Decoder | 0 | - | 4.52 | 36,491 |
| The Jupiter Quiz | 0 | - | 4.64 | 15,815 |
| The Mars Quiz | 0 | - | 4.54 | 17,938 |
| The Saturn Quiz | 0 | - | 4.54 | 11,099 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.23 | 19,481 |
| The Pluto Quiz | 0 | - | 4.63 | 9,306 |
| Signs of the Zodiac Quiz | 0 | - | 4.46 | 214,154 |
| Name the Constellations Quiz | 0 | - | 4.58 | 42,902 |
| Brightest Objects in the Sky | 0 | - | 4.40 | 16,803 |
| Astronomy True or False | 0 | - | 4.37 | 34,993 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 208,664 |
| Most Common Body Part Words | 0 | - | 3.92 | 30,708 |
| Body Parts - No Vowels | 0 | - | 4.13 | 23,757 |
| The Venus Quiz | 0 | - | 4.15 | 6,597 |
| Countries with the Most Sunlight Per Square Meter | 0 | - | 4.40 | 15,084 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,176 |
| Animals by Skeleton Image | 0 | - | 4.80 | 41,658 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 13,458 |
| Countries with the Most HIV | 0 | - | 4.47 | 43,574 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 32,707 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 22,241 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 100,981 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 48,669 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.81 | 53,473 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 33,420 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 58,393 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 24,831 |
| Worst Plastic Polluting Countries | 0 | - | 4.55 | 63,320 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 39,139 |
| Countries with the Most Forest | 0 | - | 4.88 | 141,921 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.29 | 34,299 |
| Least-Forested Countries | 0 | - | 4.52 | 62,878 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.62 | 61,504 |
| Countries with the Most Forest A-Z | 0 | - | 4.55 | 53,275 |
| Most Forested European Countries | 0 | - | 4.78 | 72,124 |
| Least Forested European Countries | 0 | - | 4.29 | 52,341 |
| Least Forested Countries in Asia | 0 | - | 4.77 | 62,649 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.61 | 36,565 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 44,774 |
| Tropical Rainforest Countries | 0 | - | 4.64 | 79,601 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.56 | 46,047 |
| U.S. States with Glaciers | 0 | - | 4.59 | 23,195 |
| Largest Countries Without Glaciers | 0 | - | 4.92 | 32,521 |
| Elements Named for Countries | 0 | - | 4.51 | 21,928 |
| Countries with Glaciers | 0 | - | 4.97 | 100,553 |
| Northernmost Countries Without Glaciers | 0 | - | 4.63 | 26,182 |
