Not a member?
click here
to register.
I forgot my password
.
My World
Invent Now
What's New
Message Board
Tell A Friend
Share Something
Tree Ring Study
Inventor's IQ Points for this activity: 100
Clicking "Go Play" will send you to another site. Please read this
important message
about the links at our site.
Find out how scientists determine the age of trees. When you’re done, you can make a tree study of your own.
What was the name of the doctor who did the study in the game?
Back To Zone
Privacy Policy
|
Terms of Use
|
Parents & Teachers
|
Contact Us
|
Watch Ads