Science Quiz / 'O' in Natural Sciences

Random Science or Biology Quiz
Score 0/20 Timer 08:00
Animal that eats both animal and plant foods
Spherical cloud of small icy bodies believed to surround the Sun at up to 50,000 AU
Isolated area of vegetation in a desert, typically surrounding a water source
An angle greater than 90 degrees and less than 180 degrees
Region of Earth's stratosphere that absorbs most of the Sun's UV radiation
An integer of the form n=2k+1, where k is an integer
Observation that lies outside the overall pattern of a distribution
Point where the axes of a Cartesian coordinate system intersect
Difference between any two sounds whose frequencies make a 2:1 ratio
U-shaped body of water formed when a meander from the main river is cut off
Process that causes a liquid to pass through the wall of a living cell
Branch of zoology that deals with the study of birds
Constellation at the south celestial pole
Any living structure capable of growth and reproduction
Path of a celestial body as it moves through space
Process of swinging or moving to and fro in a steady, uninterrupted manner
Most arboreal of the great apes currently found in only Borneo and Sumatra
Chemical compound where oxygen is combined with another element
Scientific study of phenomena found in the world's oceans
Branch of physics which involves the behaviour and properties of light
Remove Ads.
Support Sporcle.
Get the best of Sporcle when you Go Orange. This ad-free experience offers more features, more stats, and more fun while also helping to support Sporcle. Thank you for becoming a member.

You're not logged in!

Compare scores with friends on all Sporcle quizzes.
Log In

Show Comments


Top Quizzes Today

Score Distribution

Your Account Isn't Verified!

In order to create a playlist on Sporcle, you need to verify the email address you used during registration. Go to your Sporcle Settings to finish the process.

Report this User

Report this user for behavior that violates our Community Guidelines.