: a science (such as physics, chemistry, or biology) that studies the physical and natural world or the events that happen in nature
What made you want to look up natural science? Please tell us where you read or heard it (including the quote, if possible).
Take our visual vocab quiz
A quick quiz about stuff worth knowing
The commonly misspelled words quiz
The Vocab Quiz Game for iPhone & iPad
"Incredibly fun and addictive. And informative!" User Review, iTunes