Illustrate the various parts of the leaf on a chalk board, provide samples for students to inspect and/or photographs to examine. Identify the various parts of a leaf: Bud, Petiole, Midrib, Blade or Leaf on a simple leaf and a compound leaf. Other students could get started on the next lesson - Leaf Booklets, see Tree Terminology lesson. What is similar? What's different? Record their brain storming on a chart to be hung up in the room. Have students discuss the different characteristics of each. One representing each of the leaf arrangements (Alternate, Opposite, Whorled) and ones that show the different leaf types (Simple, Pinnatelly Compound, Palmately Compound, Needles). Set Induction: Students will be shown a variety of different types of leaves. This particular lesson covers just tree ID but should be used as part of a large unit. Now we are moving on to tree identification. Pre-Assessment: Students have previously been introduced to unit on Trees/ Natural Resources and have talked about the importance of trees and uses of trees. Topics Covered: Leaf Identification, Terminology, Dichotomy Key Subject Covered: Science/Environmental Education State Standards Addressed: Environment & Ecology 4.2.4 A/ B/C/ D, 4.3.4 A/B, 4.8.4A/ B/ D To be able to understand resolveuid/f3f3c9bb640bb3fb5337419fd9c323c9, identify leaf characteristics.
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