Leaf Classification in 5th Grade Living Systems: Investigation 2 on Vascular Plants
In this investigation, 5th-grade students will learn about classifying plants based on their similar properties and behaviors. Specifically, they will focus
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About Leaf Classification in 5th Grade Living Systems: Investigation 2 on Vascular Plants
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Slide1Leaf Classification Leaf Classification 5th Grade 5th Grade Living Systems Living Systems Investigation 2 “Vascular Plants” Investigation 2 “Vascular Plants”
Slide2ClassificationClassification Classify : scientists organize, or classify, things by putting them in groups based on similar properties or behaviors. Classify : scientists organize, or classify, things by putting them in groups based on similar properties or behaviors. Classification helps scientists think about concepts or efficiently. Classification helps scientists think about concepts or efficiently.
Slide3How Leaves Are Classified How Leaves Are Classified Classified by the basic pattern on veins Classified by the basic pattern on veins There are 3 patterns to help classify leaves: There are 3 patterns to help classify leaves: Palmate Palmate Pinnate Pinnate Parallel Parallel
Slide4Palmate Leaf Palmate Leaf Several veins extending from the place where the leaf stem attaches to the leaf. Several veins extending from the place where the leaf stem attaches to the leaf.
Slide5Pinnate Leaf Pinnate Leaf Pinnate Leaf : One large vein extending the length of the leaf with smaller veins branching off. Pinnate Leaf : One large vein extending the length of the leaf with smaller veins branching off. Pinna means feather, so pinnate leaf resembles a feather. Pinna means feather, so pinnate leaf resembles a feather.
Slide6Parallel Leaf Parallel Leaf Parallel : Many small veins running the length of the leaf. Parallel : Many small veins running the length of the leaf. Long, narrow leaves, like blades of grass, tend to have parallel veins. Long, narrow leaves, like blades of grass, tend to have parallel veins.
Slide7Other Ways to Classify Leaves Other Ways to Classify Leaves Leaf shape (blade) Leaf shape (blade) Kind of edge (margin) on the leaf Kind of edge (margin) on the leaf Kind of attachment to the stem (petiole) Kind of attachment to the stem (petiole) Venation: Palmate, pinnate, and parallel Venation: Palmate, pinnate, and parallel
