How much do you know about science and nature? Try a science quiz and see how well you score against other Live Science readers.
Can you name everything from Ac to Zr? You have 10 minutes to test your knowledge of the periodic table and see if you can top the leaderboard.
Do you think you've got decent science knowledge? It's time to put your gray matter to the test with our weekly, free science crossword puzzle — updated every Monday.
Just 12 people — all American men — have walked on the moon. Can you name all of them in six minutes?
Latest Quizzes
Neuroscience word search — Find all the parts of the brain
How well do you know that organ between your ears? Test your recognition of neuroscience terms with this word search.
Crack these scientific numbers and constants and top the leaderboard
Guess the number quiz Do you know your mathematical equations from your scientific constants? If you know your numbers then try our daily quiz.
Live Science Christmas crossword puzzle: The average U.S. citizen consumes over 3,500 of these on Christmas Day — 7 across
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
Live Science crossword puzzle #24: Elemental particle associated with light — 11 down
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
Live Science crossword puzzle #23: Distance around the edge of a circle — 6 down
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
Live Science crossword puzzle #22: Subatomic particle with a positive charge — 13 across
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
Live Science crossword puzzle #21: NASA rover that landed on Mars in 2012 — 16 across
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
Archaeology Fragments Quiz: Can you work out what these mysterious artifacts are?
Break out your best magnifying glass to solve these visual archaeology puzzles.
