A head of broccoli is made up of hundreds of small flower buds.

Likes

More Like Science

Learn all about our amazing planet…

Dr Karl investigates how much a cloud weighs

Dr Karl digs deep into sinkhole science

Dr Karl explores how birds flock

Type whatever you want to search

You’re leaving natgeokids.com
to visit another website!

Ask a parent or guardian to check it out first and remember to stay safe online.

You're leaving our kids' pages to visit a page for grown-ups!

Be sure to check if your parent or guardian is okay with this first.