Do you know Earth's highest peak, deepest point, and more? Test your knowledge about our planet in this quiz.

From the inner workings of a human body to fascinating concepts of chemical processes, ecosystems, and outer space, these ...

Some facts sound so believable that we never stop to question them. From things you learned as a kid to everyday assumptions, ...

Test your science knowledge with this weekly news quiz! We’d love to hear from you! E-mail us at games@sciam.com to share your experience.

Test your knowledge of chemistry with C&EN's interactive quizzes.

*Note: The answers are from A to Z (that is, the first question’s answer would start with A, the second one’s with B, so on and so forth. Please note that in case the answer is a person’s name, it ...

The brightest Colorado high school minds compete against each other on all things science. The brightest high school minds travel from all corners of Colorado to compete against each other on all ...

Test your knowledge of chemistry with C&EN's interactive quizzes.

Lakes Around the World Quiz, Part 1 For the lucky among us, summer means lazy days and nights spent by a lake, swimming, sunning, and stargazing. Test your lake smarts with this pop quiz.

The brightest high school minds travel from all corners of Colorado to compete against each other on all things science. Categories include biology, astronomy, paleontology and meteorology. After a ...