Cell Structures and Functions by malj

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									                      Webquest

    Cell Structures and Functions

                      Sarah L. Wood
                       EDCI 5314



Introduction   Task   Process   Evaluation   Conclusion   Teacher Page
          Introduction: What is a cell, anyway?

   Every living thing is made up of cells. In fact, the cell
   is the smallest unit of life! Cells allow you to perform
   basic functions like eating, moving, breathing, and
   much more. You can only see them with the aid of a
   microscope, but even though they’re small, they’re very
   complex! Each part of a cell performs a job and
   cooperates with other parts to make the cell work.
   That’s why it’s so important to understand what each
   of these parts are and what they do. Let’s take a look!



Introduction   Task    Process   Evaluation   Conclusion   Teacher Page
       Task: Worksheet, Diagrams, and Building My Own!

               In this activity, you will
                     * complete a provided worksheet about cell
               part functions
                     * label parts of an animal, plant, and
               prokaryotic cell
                    * build your own cell using play dough, food,
               Microsoft Paint or any other approved medium




Introduction        Task      Process   Evaluation   Conclusion   Teacher Page
    Process: Using the Internet to Guide Your Task
                       Page One
1.) The animal cell is a eukaryotic cell. Use the following link to tour an
animal cell. Explore the following cell parts: nucleolus, nucleus, smooth
endoplasmic reticulum, lysosome, mitochondrion, plasma membrane (or cell
membrane), golgi body (or golgi apparatus), ribosome, and rough
endoplasmic reticulum. Label these on your diagram and fill in the
appropriate boxes on your worksheet. Remember to label your diagram as
an animal cell and tell whether it is a eukaryote or prokaryote cell.


                               Animal Cell Site




Introduction     Task       Process      Evaluation   Conclusion   Teacher Page
    Process: Using the Internet to Guide Your Task
                       Page Two

  2.) The plant cell is a eukaryotic cell. Use the following link to tour
  a plant cell. Explore the following cell parts: nucleus, golgi body,
  nucleolus, rough endoplasmic reticulum, smooth endoplasmic
  reticulum, vacuole, chloroplast, cell wall, mitochondrion, cell
  membrane, and cytoplasm. Label these on your diagram and fill in
  the appropriate boxes on your worksheet. Remember to label your
  diagram as a plant cell and tell whether it is a eukaryote or
  prokaryote cell. (Hint: cell part functions can be found by scrolling
  down to the blue words)

                                Plant Cell Site




Process Main Slide
    Process: Using the Internet to Guide Your Task
                      Page Three

  3.) Bacteria are one-celled organisms. A bacterium is an example of
  a prokaryotic cell. Use the following link to tour a bacterium.
  Explore the following cell parts: cilia, ribosome, DNA, cell
  membrane, cytoplasm, and flagella. Label these on your diagram and
  fill in the appropriate boxes on your worksheet. Remember to label
  your diagram as a bacterium and tell whether it is a eukaryote or
  prokaryote cell.


                            Prokaryotic Cell Site




Process Main Slide
    Process: Using the Internet to Guide Your Task
                      Page Four

   Feel free to use the following links if you need additional help.
   Remember there are often several good sites to help you on the
   internet, but some cannot be trusted. All of the ones listed here
   have accurate information and can be trusted.


            http://www.cellsalive.com/cells/cell_model.htm

            http://personal.tmlp.com/Jimr57/tour/cell/cell.htm

            http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/A/AnimalCells.html

            http://sun.menloschool.org/~cweaver/cells/




Process Main Slide
    Process: Using the Internet to Guide Your Task
                       Page Five

  3.) Now that you have completed your worksheet and diagrams and
  understand cell structures and functions, you can begin building your
  own cell! You must build either an animal or plant cell. You are
  expected to include nine cell parts that apply to your cell. Use the
  websites below for help on building your cell. Supplies are available in
  the backroom.


   The Incredible Edible Cell                Various Cell Models

       PlayDough Cell                 Example of Animal Cell in Microsoft Paint
      Edible Cell Cookie              Example of Plant Cell in Microsoft Paint




Process Main Slide
    Evaluation: Determining Your Grade
  The Webquest is worth 200 points total. (The same as two test grades.)
         * There are 26 total structures to label on the three diagrams.
  Each correctly named structure is worth two points. (52 pts.)
           * One point is given for giving each diagram a correct title. (3 pts.)
          * There are 15 cell parts on the worksheet. Every correct function
  of these parts is worth two points. (30 pts.)
          * One point will be given for every part that is correctly identified
  as belonging to animal, plant, and/or prokaryotic cell. (15 pts.)
         * Ten points will be given for writing your name on the worksheet,
  diagrams, and constructed cell. (10 pts.)
          * When constructing your own, 10 points will be given for every cell
  part that correctly resembles its actual structure and belongs to the cell
  you chose. (90 pts.)



Introduction      Task        Process      Evaluation    Conclusion   Teacher Page
       Conclusion: Sending a “Thank you”
        It’s hard to think that something so small
        could make such a big difference! Cells truly
        are the building blocks of life. Now that you
        understand the structures and functions of
        each cell part I hope you will think about what
        has to be done for us to perform basic tasks!
        Thank you ribosomes, thank you nucleolus,
        thank you rough endoplasmic reticulum, thank
        you golgi apparatus…

           A BIG “thank you” goes to Mrs. Kelly Walbush for her excellent webquest
           from which I modeled my own. Her Webquest can be found here.


Introduction        Task          Process         Evaluation      Conclusion     Teacher Page
                                   Teacher Page
   This Webquest was designed for a seventh grade life sciences class by Sarah L.
   Wood. Virginia Standards of Learning Addressed in this Webquest are as follows.
   LS. 1       The student will plan and conduct investigations in which
               d.) models are constructed to illustrate phenomena


   LS. 2   The student will investigate and understand that all living things are
   composed of cells. Key concepts include
            a.) cell structure and organelles (cell membrane, cell wall, cytoplasm,
   vacuole, mitochondrion, endoplasmic reticulum, nucleus, and chloroplast)
               b.) similarities and differences between plant and animal cells


   Please contact me at littlew00d@yahoo.com for additional information such as
   worksheets and diagrams used in this webquest.

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Introduction          Task         Process       Evaluation     Conclusion       Teacher Page

								
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