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Topic : Plant Structure Section : 1C Animals, Plants & Micro-organisms

Explore the structure and transport system of flowering plants, including the functions of different plant parts and the process of transpiration. Learn through interactive lessons and experiments.

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Topic : Plant Structure Section : 1C Animals, Plants & Micro-organisms

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  1. Topic: Plant Structure Section: 1C Animals, Plants & Micro-organisms 1C3 Plant Structure & 1C4 Transport in Plants

  2. Diagram 1 Diagram 2 Structure and transport in flowering plants Diagram 3

  3. Outline of Lessons Number of Lessons: Five (1 double for experiments and three single classes) Learning Objectives Lesson 1 • Recognise many types of plants • Differentiate between the regions of a flowering plant • Identify the parts of a flowering plant • Describe the functions of the different parts of the plant • Explain the importance of the leaf as the site of photosynthesis

  4. Outline of Lessons Lesson 2 • Distinguish the various parts of a leaf • Locate where stoma are on a leaf • Be able to state the plural of stoma • Relate the function of the stomata to the two processes of photosynthesis and transpiration • List the types of tissue in a plant • Identify the function of the tissue types in the plant • Describe what is transported in plants • Copy a diagram to illustrate the route of movement of water and food in a plant

  5. Outline of Lessons Lesson 3 • Define transpiration • Define transpiration stream • Explain the factors affecting transpiration • Describe experiments to • Show the path of water through a plant • Show that water is taken in by the roots and passes up and out of a plant • Show that water evaporates from the surface of a leaf by transpiration

  6. Outline of Lessons Lesson 4 & 5 • Perform the following experiments • Show the path of water through a plant • Show that water is taken in by the roots and passes up and out of a plant • Show that water evaporates from the surface of a leaf by transpiration

  7. Objective OB 45 identify the main parts of a typical flowering plant and their functions; the root, the stem, leaf & flower

  8. Diagram 4 Diagram 5 Diagram 6 Introduction • Many plant types • Examples: • Algae • Mosses & ferns • Conifers • Flowering plants

  9. Main features of flowering plants • Divided into roots, stem and leaves • Specialised cells for transport of water, minerals and food around plant • Reproduce by seeds • Seeds enclosed in fruit

  10. Structure of a typical flowering plant Diagram 7: From Exploring Science Teachers Resource CD

  11. Label the parts of a flowering plants Diagram 8:Junior Cert Science A voyage of discovery Teachers CD ROM

  12. The answers Flower Leaf Shoot Stem Roots Diagram 9: Junior Cert Science A voyage of discovery Teachers CD ROM

  13. From Clipart Functions of the main parts of typical flowering plant • Roots • Anchor & support • Absorb water & minerals • Some store food

  14. Functions of the main parts of typical flowering plant • The stem • Support & holds up leaves & flowers • Transport water, minerals & food • Some stores food

  15. Functions of the main parts of typical flowering plant • Leaves • Site of photosynthesis • Allow gas exchange • Allow water vapour to pass out of plant • Some store food

  16. Diagram 10:From Exploring Science Teachers Resource CD.

  17. The Leaf Stoma one pore Stomata  two + pores Diagram 11: Junior Cert Science A voyage of discovery Teachers CD ROM

  18. Sun Carbon dioxide Water Importance of the leaf Light Chlorophyll Diagram 12: Junior Cert Science A voyage of discovery Teachers CD ROM

  19. From Clipart Functions of the main parts of typical flowering plant • Buds • Growth point • Flowers • Produce seeds for reproduction

  20. Objective OB 46 Understand that the xylem transports water and minerals in the plant and that phloem transports food (Higher Level only)

  21. Diagram 13 Transport in flowering plants • Water • Minerals • Food

  22. Water Transport • Tiny tubes allow continuous flow of water from roots to leaves • Tiny tubes appear as veins • Stomata allow water evaporation • Transpiration

  23. Diagram 14 Water Transport

  24. Plant Tissue • Two types involved in plant transport • Xylem • Transport water and dissolved minerals • Made of dead cells & lined with substance to make it water proof and provide support

  25. Diagram 15 : Exploring Science Plant Tissue • Phloem • Transports food from the leaves around the plant

  26. Transpiration • Loss of water from a plant • Most occurs through stomata • Functions of transpiration • Supplies leaves with water • Supplies plant with minerals • Helps cool plant down

  27. Transpiration stream This is the upward flow of water through xylem caused by a reduction of pressure at the top of the plant as water is evaporated

  28. Diagram 16 Factors Affecting Transpiration • Humidity • Temperature • Wind • Soil water content

  29. Objective OB 47 Carry out simple activities to show the path of water through plant tissue, and show that water evaporates from the surface of a leaf by transpiration

  30. Diagram 19 Diagram 18 Diagram 17 : Exploring Science To show the path of water through a plant

  31. Diagram 20 : Exploring Science To show that water is taken in by the roots and passes up and out of a plant

  32. To show that water evaporates from the surface of a leaf by transpiration Diagram 21 : Exploring Science

  33. Bibliography Exploring Science by Michael O’Callaghan, Seamus Reilly & Aiden Seery. Teachers Resource CD revised edition, Edco Exploring Science by Michael O’Callaghan, Seamus Reilly & Aiden Seery. Textbook revised edition, Edco Junior Cert Science : A voyage of discovery. Teachers CD ROM by Hilary Dorgan, Declan Kennedy & Pat Walsh, Folens www.skoool.ie www.ncca.ie for Junior Cert Science curriculum

  34. Resources • Diagram 1 http://www.midwestaquaticsandexotics.com/ Accessed : 11th February 2008 • Diagram 2 http://www.cumbavac.org/Gardening.htm Accessed : 11th February 2008 • Diagram 3 http://trc.ucdavis.edu/biosci10v/bis10v/week8/08flowers.html Accessed : 11th February 2008 • Diagram 4 http://ridge.icu.ac.jp/gen-ed/lower-plants.html Accessed : 11th February 2008 • Diagram 5 http://www.guide2christmas.com/i2christmas_tree.png Accessed : 11th February 2008

  35. Resources • Diagram 6 http://en.wikipedia.org/wiki/Image:Ferocactus1.jpg Accessed : 11th February 2008 • Diagrams 7, 10 & 12 Exploring Science by Michael O'Callaghan, Seamus Reilly & Aiden Seery. Teachers Resource CD revised edition, Edco • Diagrams 8, 9 & 11 Junior Cert Science : A voyage of discovery. Teachers CD ROM by Hilary Dorgan, Declan Kennedy & Pat Walsh, Folens • Diagram 13 http://www.bbc.co.uk/schools/gcsebitesize/img/bixylemphloem.gif Accessed : 11th February 2008

  36. Resources • Diagrams 15, 17 & 20 Scanned from Exploring Science by Michael O'Callaghan, Seamus Reilly & Aiden Seery. Textbook revised edition, Edco • Diagram 16 http://www.jardibotanicdesoller.org/eng/guia_cactus.html Accessed : 11th February 2008 • Diagram 18 http://discovermagazine.com/2003/mar/featscienceof/?searchterm=my teries Accessed : 11th February 2008 • Diagram 19 http://sch.ci.lexington.ma.us/~ccarter/celery Accessed : 11th February 2008

  37. Resources • Handout & Test Material from Exploring Science by Michael O'Callaghan, Seamus Reilly & Aiden Seery. Workbook revised edition, Edco • Microsoft Power point Clipart

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