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Plants2 plant parts leaves; photosynthesis, stomata respiration & transpiration, includes labs, visuals, & video clips
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Plants2 plant parts leaves; photosynthesis, stomata respiration & transpiration, includes labs, visuals, & video clips

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  • 1. Plants 2d: Plant Parts PPt. by, Robin D. Seamon LEAVES & Photosynthesis
  • 2. LEAVES:
  • 3.
    • LEAVES:
    • Activity
    • Leaf Hunt Lab
    • Leaf rubbings
    • Leaf pressing
    • Leaf pounding
  • 4.
    • PARTS OF A LEAF
    • Veins carry water & minerals to the leaf; carry the food the leaf makes away from the leaf
    • Blade the main part of the leaf
    • Petiole connects the leaf to the branch
  • 5. Vein Vein
  • 6.
    • KINDS OF LEAVES:
    • Simple leaves : one leaf blade
    • Compound leaves : several symmetrical leaves
    • Turn colors in the Fall & fall off-
      • deciduous tree leaves will freeze in the winter, so as a precaution, trees take in all of the chlorophyl to store in the trunk & roots until spring
      • Leaves without green = color!
    • Needles : special kinds of leaves to conserve water
    • Make food for the plant
    ADVANCE
  • 7. Simple Leaves BACK
  • 8. BACK http://stavaressbi3u1.edublogs.org/2010/05/23/leaves/
  • 9.
    • Transpiration- process by which plants lose water through the leaves
    99% water taken into roots are transpired out the leaves 2. Water through cortex of root to xylem & up stem 1. Water from soil into root hairs 3. Transpiration in leaves helps draw water up stem 4. Water moves up stem to veins to cells Transpiration film LINK
  • 10.  
  • 11.  
  • 12.  
  • 13.
    • Respiration- process by which plants lose air (carbon dioxide) through the leaves
    • Guard cells close & open the stomata as needed
  • 14.
    • Photosynthesis- process by which plants turn sunlight into energy (food)
    http://www.grow-a-head.com/index/index.php?option=com_content&task=view&id=24&Itemid=62 HSW: video Autotrophs vs. Heterotrophs (1 min) HSW: Photosynthesis Video 2.5 min
  • 15. 80 Hg 200.59 Mercury Atomic number (electron/proton pairs) Atomic weight symbol Element name Electron (-) nucleus Proton (+) Neutron
  • 16. 1. Chlorophyll absorbs light from the sun 2. Sun’s energy splits water molecule into hydrogen & oxygen 3. Hydrogen joins carbon dioxide to make food (sugar/glucose) 4. Sugar carried through the plant; oxygen is released into the air 6 6 6 PHOTOSYNTHESIS H 2 O O 2 CO 2 = + + C 6 H 12 O 6 MOVE
  • 17. O O O C C C C C C O O O C C C C C C
  • 18. O O O O O O O O O O O O O O O H H H H H H H H H H H H
  • 19.
    • PLANT LABS:
    • Leaves: Identify & graph your collection into journal; view & draw fern spores; Answer questions in Plant Journal.
    • Flowers: identify & draw 5 local spring flowers on white paper. Glue into journal. Roots: identify fibrous & taproots; draw 7 label root parts in journal; Answer questions in Plant Journal.
    • Seeds: seed dissection: label 3 parts of the seed into journal; observe pine nuts in pinecones-- sketch into journal; Answer questions in Plant Journal.
    • Stems: Compare three different types of bark. Notice the color & texture. How do the grains run? Is there a pattern? Create a bark rubbing with a dark crayon (rubbed sideways). Sketch the three specimens.
    Header:
  • 20.
    • LAB: LEAVES
    • RULES: BE GENTLE WITH THE LEAVES. They are fragile!
    • What kinds of leaves are in your envelope? ___________, ______________, _______________, _______________, ______________
    • Write how many of each kinds of leaves on the lines above.
    • Sketch one of the leaves, labeling the blade, veins, midriff, & petiole
    • What are the three processes performed by the leaves for the plant. _______________, ______________, _______________
    • What is the difference between a simple leaf and a compound leaf? _____________________________________________________________
    Header: Leaf Bank: oak, maple, dogwood, elm, beech, redbud, sweetgum

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