1. Key Question What skills are necessary for tree identification What skills are necessary for tree identification

2. Objectives Students will be able to recognize tree species have different physical characteristics that can be used to identify the tree. Students will be able to recognize tree species have different physical characteristics that can be used to identify the tree. Students will analyze tree shape in order to identify trees. Students will analyze tree shape in order to identify trees. Students will analyze ring structure to determine the age of trees. Students will analyze ring structure to determine the age of trees.

3. Warm-Up How do you find the circumference of a tree? How do you find the circumference of a tree?

4. What you need to know! Crown – The part of the tree that includes the main trunk, branches, and leaves. Crown – The part of the tree that includes the main trunk, branches, and leaves. Silhouette – The outline of the tree. Silhouette – The outline of the tree. Prune – To trim or cut back branches. Prune – To trim or cut back branches. Shape Review Shape Review Shape Review Shape Review Trees can be identified with these shapes: RectangleRectangle, Square, Oval, Circle, and Triangle SquareOvalCircleTriangle RectangleSquareOvalCircleTriangle

5. Tree Shape Identifying the geometric shape of a tree is a step in identifying the species of a tree. Identifying the geometric shape of a tree is a step in identifying the species of a tree. Click here for Tree Shapes Click here for Tree Shapes Click here Click here Complete the “Shape of a Tree activity” to practice identifying tree characteristics. Complete the “Shape of a Tree activity” to practice identifying tree characteristics. Click for Answers Click for Answers

6. Answer Key/Shape of a Tree

7. More Practice Practice with these trees. Practice with these trees. Click on each picture for the answer. Click on each picture for the answer.

8. The Answer is… Circle Circle

9. The Answer is… Oval

10. The Answer is … Rectangle

11. How Old is Charlie? Follow the directions for How Old is Charlie activity? Follow the directions for How Old is Charlie activity?

12. Conclusions Complete the Search for Words about Trees Complete the Search for Words about Trees

13. Alternate Conclusion Homework: Homework: Collect data about trees in your neighborhood. Collect data about trees in your neighborhood. Identify tree shape of at least 10 trees. Identify tree shape of at least 10 trees. Create a chart to record the tree shapes that you find. Create a chart to record the tree shapes that you find. What is the probability of finding a triangle shaped tree in your neighbor? Square? Rectangle? Oval? What is the probability of finding a triangle shaped tree in your neighbor? Square? Rectangle? Oval? Tree Shape Amount Triangle Square Rectangle Oval