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“Adopt A Tree” Project. Every tree is different! You will make observations and record data for your tree throughout the year and see how it changes . What makes a tree a tree?. Heights at least 4.5 meters (about 15 feet) Single dominant woody stem or trunk

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“Adopt A Tree” Project


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    1. “Adopt A Tree” Project Every tree is different! You will make observations and record data for your tree throughout the year and see how it changes

    2. What makes a tree a tree? • Heights at least 4.5 meters (about 15 feet) • Single dominant woody stem or trunk • Trunk is 9 1/2 inches in circumference (3 inches in diameter) • Definitely formed crown of foliage • Perennial plant

    3. Abiotic Data Date: ____________ Time:__________ Air Temperature: ___________ Relative Humidity: ___________ Rockaway Weather, Current Conditions and Temperature Weather Conditions: ___________________________________ (sunny, cloudy, rain, etc.) Light Conditions:______________________________________ (amount of light your tree receives at this time of day) List other abiotic factors: _______________________________ (water, rocks, and sand)

    4. Draw a Picture(Draw a detailed picture of your tree. I should be able to pick your tree from the group just by your picture.) When drawing your tree, start with the trunk and add just a few leaves. You don’t need to draw each leaf!!

    5. Biotic Data Tree Description: (Describe your tree in detail about 5-8 sentences. With this description, someone should be able to pick your tree out of the bunch.) List 5 Biotic Factors: (List all living things you see on and around your tree.) Leaf Description: Draw a picture of your leaf:

    6. Draw a Site Map(Someone should be able to find your tree by looking at your map.) • Draw major features on your map. • Label your tree location • Draw symbols for other plant life. Example: *Bushes +Large Trees ∆Small Trees

    7. Poison Ivy • Leaves of three, let it be!! • Hairy vine, no friend of mine!! • Raggy rope, don’t be a dope!! • Berries white, run in fright

    8. Poison Ivy

    9. Be very careful!!

    10. How should you behave when outside? • Don’t harm trees, animals, or insects. • Preserve the stone wall by walking around. • The quieter you are the more you will see • Stay Focused on assignment. You will be given a participation grade. • Be prepared to share your findings with the class!

    11. “Fall” for Leaves in Science!

    12. Dendrology • ‘Dendro-’ from the Greek word meaning tree • ‘-ology’ meaning the study of • Dendrology is the study of trees and includes taxonomy, identification, and ecology

    13. Tree Identification By observing leaves

    14. Classes of Trees • Conifers (Evergreen) • Deciduous • Palms

    15. Conifers vs. Deciduous

    16. Which is Which?

    17. Characteristics of Conifers • Needle shaped leaves • Seeds that develop inside cones • Evergreen – green year round • Gymnosperm (“Naked Seed”) or Cones • Examples: pine, spruce, hemlock, fir

    18. Examples of Conifers Balsam fir Red pine Douglas fir White pine Fraser fir Scotch pine

    19. Conifer leaves • Needle like • Scale like

    20. Conifer needles • Clusters • Singles

    21. Deciduous Tree Characteristics • Broad flat leaves • Lose all leaves each year in the fall • Angiosperm (flowering plants), broadleaf, hardwood • Examples: oak, maple, beech, aspen, ash

    22. Deciduous examples Red oak Elm Honey locust Red maple White birch beech Crimson king Black locust

    23. Leaf characteristics-deciduous • Leaf shape • Leaf arrangement • Leaf margin (edge) • Leaf type

    24. Leaf Shape

    25. Oval, Elliptical, or Egg Shaped?? Ovoal: Considerably longer than wide with almost parallel sides Elliptical: wider at center and tapering to an equal size at each end. Egg shaped

    26. How do you ID a tree? • Examine leaf on tree-Pick one good example of leaf • Determine leaf arrangement-Draw picture in journal • Is the leaf simple or compound? • Observe type of fruit on tree • Use a dichotomous key to determine what type of tree it is!

    27. Leaf Arrangement alternate opposite whorled

    28. Leaf Node A leaf node is where the leaf is attached to the stem.  This way, a new set of leaves will grow from that area, which will make the tree fuller.

    29. What is this type of leaf arrangement?

    30. What is this type of leaf arrangement?

    31. What is this type of leaf arrangement?

    32. What is this type of leaf arrangement?

    33. What is this type of leaf arrangement?

    34. What is this type of leaf arrangement?

    35. What is this type of leaf arrangement?

    36. What is this type of leaf arrangement?

    37. What tree is it? Online Tree ID

    38. Leaf Margin (Edge)Lobed , smooth, toothed (serrated)?

    39. Serrate or Doubly Serrate?Write definitions below on Lab Smooth Wavy serrate — a leaf margin that has pointed teeth that are directed upward doubly serrate — a serrate leaf margin where the primary teeth support another set of teeth

    40. Serrate or Doubly Serrate?

    41. Serrate or Doubly Serrate?

    42. Serrate or Doubly Serrate?

    43. Serrate or Doubly Serrate?

    44. Types of Leaves • Simple: Has only one leaf per stem. • Compound: Has more than one leaves per stem.

    45. Simple Compound • Only one leaflet • Joined by its stalk to the woody stem • Examples: maple, oak, aspen, beech • Made up of several leaflets • Leaflets are joined to a midrib that is not woody • Examples: ash, walnut, sumac

    46. Simple or Compound? Simple Leaves Compound Leaves