PBS
Pbs: Make a Family Tree
At this site, families can work together to create a unique family tree. Its special design allows you not only to record names of your family members but also to describe their likes and dislikes, how they used their leisure time, where...
Alabama Learning Exchange
Alex: How Old Is That Tree?
One of the best ways to learn about a tree is to look at its annual rings. Tree rings show patterns of change in the tree's life as well as changes in the area where it grows. In this lesson, students will trace environmental changes...
Alabama Learning Exchange
Alex: A Journey Through the Trees
The teacher will discuss the importance of trees with the students. The teacher will provide photographs of various trees that grow in Russell Cave National Monument and the surrounding North Alabama area. The teacher will discuss...
PBS
Nova: Build a Tree Ring Timeline
This activity is an introduction to the branch of science called dendrochronology. Discover what this science tells us about the past and see if you can create a tree ring timeline by matching up band patterns from several different trees.
![Noaa: Be a Tree Ring Detective [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Noaa: Be a Tree Ring Detective [Pdf] Activity")
NOAA
Noaa: Be a Tree Ring Detective [Pdf]
Discover the reason why trees have rings. Then use your skills of inquiry to decide which tree samples are the oldest, based on their rings.
Other
Interactive Data Structure Visualizations: Binary Tree Traversals
A great visualization / animation tool that illustrates the different traversal algorithms used with binary trees.
PBS
Pbs Learning Media: Shape of Trees: The Frustration Principle
This series of images shows the work of biologist Karl Niklas on the adaptations and evolution of plants. From The Evolutionary Biology of Plants.
Orca Book Publishers
Orca Book Publishers: Solomon's Tree Teaching Guide [Pdf]
This teaching guide for Solomon's Tree, a story written by Andrea Spalding and illustrated by Janet Wilson, provides a synopsis of the story and an explanation of how the book evolved. The book is about a boy's relationship with a maple...
World Wide School
World Wide School: Etext "The Trees of Pride"
This site provides the complete etext for G. K. Chesterton's story, "The Trees of Pride."
Utah Education Network
Uen: Nhmu: Insect Family Tree
Identify and match insects on the insect family tree.
Concord Consortium
Concord Consortium: Trees in a Diagnosis Game
In this dynamic data science activity, students use data to build binary trees for decision-making and prediction. Prediction trees are the first steps towards linear regression, which plays an important role in machine learning for...
NC State University
Horticulture Information Leaflets: Overcoming Seed Dormancy: Trees and Shrubs
Good list of examples of how dormancy in tree seeds can be overcome. In the discussion, you'll pick up a fair amount about dormancy in plants.
CK-12 Foundation
Ck 12: Earth Science: Tree Rings, Ice Cores, and Varves Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about tree rings, ice cores, and varves. Includes a question to check for understanding.
Virginia Tech
Virginia Tech: Flower and Tree Reproduction
This is the reproduction chapter from an online text, courtesy of the Forest Biology Department of Virginia Tech. Learn about trees, their flowers, and other details of their reproductive cycle.
Blackdog Media
Classic Reader: The Holly Tree by Charles Dickens
Classic Reader provides numerous classic works from famous authors. First published in 1899, one work is Christmas story, The Holly-Tree. This book was written by Charles Dickens.
CPALMS
Cpalms: How Many Trees?
[Free Registration/Login Required] In this formative assessment task, students are asked to find the density and the estimated number of trees in a forest, given certain parameters. Samples of student responses and possible...
Shodor Education Foundation
Shodor Interactivate: Lesson: Tree Diagrams and Probability
This lesson plan helps students develop tree diagrams and figure probability of events based on diagrams. Lots of resources are available to support teachers and students at this website.
Repeat After Us
Repeat After Us: "There Was an Old Man in a Tree" by Edward Lear
[This site offers the text and audio of the limerick "There Was an Old Man in a Tree" by Edward Lear. You can listen to the poem online or download it.
University of Florida
Baldwin Library: The Apricot Tree
A scanned copy of the 1851 publication of The Apricot-tree, a fiction book for children.
University of Florida
Baldwin Library: The Apricot Tree
A scanned copy of the 1851 publication of The Apricot-tree, a fiction book for children.
University of Florida
Baldwin Library: Mother's Story, the Old Ash Tree
A scanned copy of the 1853 publication of Mother's Story, the Old Ash Tree by Emily Chubbuck Judson, a book of stories for children.
White House Historical Association
White House Historical Association: Christmas Tree Themes
The White House Historical Association takes a look at how Christmas has been celebrated in the White House throughout history. A chronicle of how Christmas trees have been decorated and the themes used by the various First Ladies. Also...
The Best Notes
The Best Notes: Cold Sassy Tree by Olive Ann Burns
This is a complete online study guide/notes for the historical novel Cold Sassy Tree by Olive Ann Burns including author information, literary elements, chapter-by-chapter summaries/notes, study questions, and analysis.
Other
Siyavula: Textbooks: Mathematics Grade 11: Probability: Tree Diagrams
Learn what a tree diagram is and how to solve a word problem while using one. View the solution steps and examples for three different problems. Then practice by solving four word problems on your own and checking the answers to see how...
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