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
Yellowstone quiz: How much do you know about the first national park?
Crammed full of epic scenery, steaming geysers, plants and animals, Yellowstone National Park is a spectacular place to visit, but how hot is your knowledge on it? Take our quiz to find out.
Primates Quiz: Go ape and test your knowledge on our closest relatives
Time to stop monkeying around — just don't go bananas if you get the wrong answer!
Diagnostic dilemma quiz: Can you guess the diagnosis in these strange medical cases?
Based on our "Diagnostic Dilemma" series, this quiz tests your medical know-how.
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!
