Curated OER
Seasonal Cycles And Changes
Second graders recall the affect of direct and angled sunlight on the seasons, describe some results of warming soil and air in spring, predict the changes in buds when twigs are placed in water, and taste a product of tree sap and...
Encyclopedia of Earth
Encyclopedia of Earth: Oak
Detailed information about oak trees: their taxonomy, evolution, habitats, morphology, significant oak forests around the world, and a list of species that are endangered. (Published: December 22, 2010)
Missouri Botanical Garden
Missouri Botanical Garden: Autumn Leaf Scrapbook
Learn how to examine a deciduous tree and how to identify the various leaves by their shape and color. There is a guide to leaf terminology with helpful accompanying diagrams.
Other
One World's Journey: Georgia's Environment and Resources
A nice summary of the physical geography of Georgia. Read about the climate, vegetation, and animal life.
![Dcnr: Common Trees of Pennsylvania [Pdf] Handout](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Dcnr: Common Trees of Pennsylvania [Pdf] Handout")
Other
Dcnr: Common Trees of Pennsylvania [Pdf]
A list of common trees in Pennsylvania, as well as specific information on each tree.
Other
Ohio Public Library: What Tree Is It?
An online resource for tree identification by common name, scientific name, leaf, or fruit.
Other
British Trees
Offers information about trees that are native to Britain. It gives a tree guide, with common and Latin names, and it has pictures of each of the trees and seeds. It also offers links to other sites about vegetation in Enlgland.