In 2012, an 80 million-year-old dinosaur was discovered, and you can learn all about this 20-foot, 2-ton horned herbivore.

How can you tell how old a tree is? Look no further! This worksheet gives a basic overview of tree rings for your little scientist.

Did you know there is a tortoise who is over 100 years old? Learn some interesting animal facts with this cut and paste matching activity!