| Body Part Cliches | 0 | - | 4.42 | 118,606 |
| International Scientific Units | 0 | - | 4.95 | 136,584 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 55,429 |
| Body Parts in History and Culture | 0 | - | 4.48 | 32,619 |
| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,912,401 |
| Most Common Elements in the Human Body | 0 | - | 4.72 | 139,012 |
| Elements by Symbol Quiz | 0 | - | 4.91 | 173,181 |
| Speed Symbol by Element | 0 | - | 4.89 | 89,758 |
| Noble Gases | 0 | - | 4.82 | 59,348 |
| Elements that are Gases at Room Temperature | 0 | - | 4.84 | 57,321 |
| Periodic Table Symbols Quiz | 0 | - | 4.98 | 50,730 |
| Elements with One-Letter Symbols | 0 | - | 4.82 | 70,305 |
| Medical Conditions Quiz | 0 | - | 4.84 | 114,965 |
| Name the Virus | 0 | - | 4.85 | 61,730 |
| Major Taxonomic Ranks | 0 | - | 4.64 | 70,172 |
| Famous Scientists | 0 | - | 4.59 | 39,853 |
| Scientific Names | 0 | - | 4.36 | 61,867 |
| Things Named For People #3 - Science | 0 | - | 4.82 | 47,746 |
| Elemental Words | 0 | - | 4.96 | 47,051 |
| Metals of Antiquity | 0 | - | 4.94 | 84,941 |
| Body Part Words Quiz | 0 | - | 4.44 | 138,201 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 57,744 |
| Word Scramble - Body Parts | 0 | - | 4.35 | 167,587 |
| Three Letter Body Parts Quiz | 0 | - | 4.39 | 198,621 |
| Human Body A-Z | 0 | - | 4.48 | 107,707 |
| One-Syllable Human Body Parts | 0 | - | 4.28 | 79,649 |
| Organs of the Human Body (with map) | 0 | - | 4.12 | 105,036 |
| Science Multiple Choice #1 | 0 | - | 4.55 | 79,419 |
| Chemical Elements with Short Names | 0 | - | 4.66 | 75,735 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 160,938 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.56 | 48,890 |
| Simple Machines Quiz | 0 | - | 4.32 | 8,387 |
| Random Symbol to Element | 0 | - | 4.86 | 82,281 |
| Astronomy Quiz | 0 | - | 4.87 | 63,884 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 115,315 |
| Solar System Trivia | 0 | - | 4.95 | 38,056 |
| Body Parts - No Vowels | 0 | - | 4.13 | 21,722 |
| Click the Planet | 0 | - | 4.91 | 52,847 |
| Most Common Body Part Words | 0 | - | 3.92 | 29,803 |
| A Quiz About Diamonds | 0 | - | 4.62 | 9,210 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.55 | 9,258 |
| Science Multiple Choice #2 | 0 | - | 4.36 | 32,914 |
| Lightest Chemical Elements A-Z | 0 | - | 4.56 | 30,826 |
| Environmental Issues | 0 | - | 4.52 | 25,259 |
| Science General Knowledge #1 | 0 | - | 4.65 | 137,520 |
| Science General Knowledge #2 | 0 | - | 4.45 | 96,315 |
| Science General Knowledge #3 | 0 | - | 4.57 | 87,494 |
| Science Vocabulary #2 | 0 | - | 4.48 | 54,051 |
| Word Chain - Science | 0 | - | 4.65 | 49,856 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.59 | 34,237 |
| Click the Chemical Element | 0 | - | 4.96 | 64,954 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,003,423 |
| Science Multiple Choice #3 | 0 | - | 4.34 | 30,815 |
| First Names of Scientists | 0 | - | 4.47 | 52,068 |
| Groups of Two - Science | 0 | - | 4.30 | 45,909 |
| Science Vocabulary #1 | 0 | - | 4.36 | 65,705 |
| Science Vocabulary #3 | 0 | - | 4.31 | 47,617 |
| Science Decoder | 0 | - | 4.51 | 27,233 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.45 | 26,935 |
| Animals - Taxonomy to Common Name | 0 | - | 4.72 | 25,501 |
| Science True or False | 0 | - | 4.33 | 35,857 |
| Answers are Elements #2 | 0 | - | 4.41 | 52,120 |
| Metals by Total Mined Value | 0 | - | 4.70 | 39,779 |
| Elements by Picture | 0 | - | 4.29 | 63,071 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 84,707 |
| Name a Valid Element | 0 | - | 4.72 | 63,589 |
| Medical Vocabulary | 0 | - | 4.55 | 53,039 |
| Name a Valid Answer - Science | 0 | - | 4.71 | 31,467 |
| Name the Constellations - With a Map | 0 | - | 4.90 | 31,002 |
| The Sun Quiz | 0 | - | 4.93 | 28,587 |
| Birthstones Quiz | 0 | - | 4.41 | 77,526 |
| Citrus Fruits | 0 | - | 3.58 | 40,612 |
| "Ologies" Quiz | 0 | - | 4.34 | 89,849 |
| Albert Einstein Quiz | 0 | - | 4.54 | 17,252 |
| Fish... or Not a Fish? | 0 | - | 4.42 | 38,748 |
| Answers are Elements #1 | 0 | - | 4.32 | 50,709 |
| Most Guessed Elements on JetPunk | 0 | - | 4.55 | 46,587 |
| Element... or Pokémon? | 0 | - | 4.97 | 111,714 |
| Planets By Picture Quiz | 0 | - | 4.54 | 48,039 |
| Planets - Multiple Choice | 0 | - | 4.47 | 46,915 |
| Medical Specialties | 0 | - | 4.29 | 84,408 |
| Medical Acronyms | 0 | - | 4.40 | 87,873 |
| The Diseases They Had | 0 | - | 4.13 | 13,062 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.66 | 42,108 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.25 | 18,281 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.79 | 65,515 |
| Category Elimination - Elements | 0 | - | 4.66 | 47,309 |
| Astronomy Decoder | 0 | - | 4.51 | 35,017 |
| The Jupiter Quiz | 0 | - | 4.61 | 15,298 |
| The Mars Quiz | 0 | - | 4.52 | 17,323 |
| The Saturn Quiz | 0 | - | 4.58 | 10,729 |
| Dumb it Down Doc | 0 | - | 4.12 | 61,813 |
| The Pluto Quiz | 0 | - | 4.65 | 8,801 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 194,155 |
| Name the Constellations Quiz | 0 | - | 4.57 | 41,078 |
| Brightest Objects in the Sky | 0 | - | 4.37 | 16,303 |
| Astronomy True or False | 0 | - | 4.35 | 33,538 |
| Songs with Body Parts in the Title | 0 | - | 4.29 | 200,438 |
| The Venus Quiz | 0 | - | 4.08 | 6,364 |
| Elements Named for Countries | 0 | - | 4.49 | 18,652 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,709 |
| Animals by Skeleton Image | 0 | - | 4.79 | 37,908 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 12,457 |
| Countries with the Most HIV | 0 | - | 4.50 | 42,673 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 31,694 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.13 | 21,535 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 94,804 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.01 | 48,095 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.92 | 47,897 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 32,123 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 56,503 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 23,453 |
| Worst Plastic Polluting Countries | 0 | - | 4.55 | 59,734 |
| Countries that Desalinate the Most Water | 0 | - | 4.79 | 36,456 |
| Countries with the Most Forest | 0 | - | 4.88 | 136,105 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.29 | 33,392 |
| Least-Forested Countries | 0 | - | 4.51 | 60,447 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.66 | 59,048 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 50,726 |
| Most Forested European Countries | 0 | - | 4.82 | 67,729 |
| Least Forested European Countries | 0 | - | 4.30 | 50,266 |
| Least Forested Countries in Asia | 0 | - | 4.79 | 60,208 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.57 | 35,218 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.48 | 34,857 |
| Tropical Rainforest Countries | 0 | - | 4.65 | 68,943 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.59 | 44,321 |
| Countries with Glaciers | 0 | - | 4.98 | 94,606 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 25,834 |
| U.S. States with Glaciers | 0 | - | 4.59 | 20,789 |
| Largest Countries Without Glaciers | 0 | - | 4.90 | 21,837 |
