Live Science Plus
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
Can you crack our science word of the day puzzle?
Chain word You have six chances to guess our five letter word of the day. Can you figure it out and top the leaderboard?
Live Science crossword puzzle #32: Largest ocean on Earth — 8 across
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
Live Science crossword puzzle #31: First person to walk on the moon — 11 across
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
Live Science crossword puzzle #30: Brightest star in the night sky — 5 down
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
Live Science crossword puzzle #29: The 'middle' period of the dinosaurs — 13 across
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
Daily sudoku: Take a break with this classic numbers puzzle
Get a new challenge every day with our free online sudoku puzzle.
Live Science crossword puzzle #28: Largest desert in Asia — 6 across
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
Live Science crossword puzzle #27: The explosion that created the universe — 5 down
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
