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    Cell Theory Timeline Activity

    Uploaded by

    Jojebelle Kate Iyog-cabanlet
    The document provides instructions for a student activity to create a timeline of the key scientists and discoveries that contributed to the development of the cell theory. Students will research six scientists (Robert Hooke, Hans and Zacharias Janssen, Anton van Leeuwenhoek, Matthias Schleiden, Theodor Schwann, and Rudolph Virchow), their contributions, and dates. They will then construct a chronological timeline and answer four questions about the cell theory and how the scientists' work built upon each other. Their timeline will be evaluated based on criteria such as accuracy, completeness, readability, and the number of events included.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    Cell Theory Timeline Activity

    Uploaded by

    Jojebelle Kate Iyog-cabanlet
    468 views4 pages
    The document provides instructions for a student activity to create a timeline of the key scientists and discoveries that contributed to the development of the cell theory. Students will research six scientists (Robert Hooke, Hans and Zacharias Janssen, Anton van Leeuwenhoek, Matthias Schleiden, Theodor Schwann, and Rudolph Virchow), their contributions, and dates. They will then construct a chronological timeline and answer four questions about the cell theory and how the scientists' work built upon each other. Their timeline will be evaluated based on criteria such as accuracy, completeness, readability, and the number of events included.

    Original Description:

    cell theory timeline activity

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    The document provides instructions for a student activity to create a timeline of the key scientists and discoveries that contributed to the development of the cell theory. Students will research six scientists (Robert Hooke, Hans and Zacharias Janssen, Anton van Leeuwenhoek, Matthias Schleiden, Theodor Schwann, and Rudolph Virchow), their contributions, and dates. They will then construct a chronological timeline and answer four questions about the cell theory and how the scientists' work built upon each other. Their timeline will be evaluated based on criteria such as accuracy, completeness, readability, and the number of events included.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    468 views4 pages

    Cell Theory Timeline Activity

    Uploaded by

    Jojebelle Kate Iyog-cabanlet
    The document provides instructions for a student activity to create a timeline of the key scientists and discoveries that contributed to the development of the cell theory. Students will research six scientists (Robert Hooke, Hans and Zacharias Janssen, Anton van Leeuwenhoek, Matthias Schleiden, Theodor Schwann, and Rudolph Virchow), their contributions, and dates. They will then construct a chronological timeline and answer four questions about the cell theory and how the scientists' work built upon each other. Their timeline will be evaluated based on criteria such as accuracy, completeness, readability, and the number of events included.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 4

    DO NOT WRITE ON THIS HANDOUT

    CELL THEORY HISTORIC TIMELINE ACTIVITY


    Objectives:
    In this activity you will:
    Be able to use reference sources to obtain information.
    Research historical events leading to the development of the cell theory.
    Develop historical knowledge of science and the developments of technology in science.
    Report on your findings by constructing a timeline showing the chronology of the historical events leading to
    the development of the cell theory.

    Materials for each student or pair/group of students:


    One computer for Internet search
    One sheet construction paper
    Colored pencils, markers, or crayons

    Student Procedures:
    Research the following people and list some of their contributions to science in regards to cells. Write this
    information in your composition notebook. Please include dates of these contributions.
    o Robert Hooke-
    o Hans and Zacharias Janssen-
    o Anton van Leeuwenhoek-
    o Matthias Schleiden-
    o Theodor Schwann-
    o Rudolph Virchow-

    After researching, create a timeline showing the chronological order of these scientists and their contributions.
    Label the timeline with dates of the above scientists' discoveries.
    The earliest date should be on the left of the timeline and the most recent date on the right.
    Label each date with the corresponding scientist's name and contribution(s) in an organized and legible
    manner.
    Be sure your spacing shows a reasonable approximation of the amount of time elapsed between dates.

    Questions – answer the four questions below on the BACK of your groups’ timeline as well as in your composition
    notebook. (The only thing you will turn in is your groups’ timeline with the answers to the question below on the back)

    1. What theory did these scientists provide evidence for?

    2. What instrument was necessary before the cell theory could be developed?

    3. Which three scientists directly contributed evidence for the cell theory?

    4. How did the earlier scientists and their contributions directly affect the discoveries/developments of later scientists
    (see #2)? For example, what had to come first?

    Cell Theory Timeline Activity 1


    DO NOT WRITE ON THIS HANDOUT

    Cell Theory Historic Timeline Project Rubric


    Student Names:______________________________________________________________________________________________________

    CATEGORY 4 3 2 1
    The timeline has a The timeline has an
    creative title that effective title that
    The timeline has a title The title is missing or
    Title accurately describes the accurately describes the
    that is easy to locate. difficult to locate.
    material and is easy to material and is easy to
    locate. locate.

    An accurate, complete An accurate, complete An accurate date has been Dates are inaccurate
    Dates date has been included for date has been included for included for almost every and/or missing for several
    each event. almost every event. event. events.

    Facts were accurate for


    Facts were accurate for all Facts were accurate for Facts were often
    most (~75%) of the
    Content/Facts events reported on the almost all events reported
    events reported on the
    inaccurate for events
    timeline. on the timeline. reported on the timeline.
    timeline.

    The overall appearance of The overall appearance of


    The timeline is relatively The timeline is difficult to
    Readability the timeline is pleasing the timeline is somewhat
    readable. read.
    and easy to read. pleasing and easy to read.

    The timeline contained at The timeline contained at The timeline contained at


    The timeline contained
    Resources least 8-10 events related least 6-7 events related to least 5 events related to
    fewer than 5 events.
    to the topic being studied. the topic being studied. the topic being studied.

    TOTAL _____/20

    Cell Theory Timeline Activity 2


    Cell Theory Historic Timeline Project Rubric
    Student Names:______________________________________________________________________________________________________

    CATEGORY 4 3 2 1
    The timeline has a The timeline has an
    creative title that effective title that
    The timeline has a title The title is missing or
    Title accurately describes the accurately describes the
    that is easy to locate. difficult to locate.
    material and is easy to material and is easy to
    locate. locate.

    An accurate, complete An accurate, complete An accurate date has been Dates are inaccurate
    Dates date has been included for date has been included for included for almost every and/or missing for several
    each event. almost every event. event. events.

    Facts were accurate for


    Facts were accurate for all Facts were accurate for Facts were often
    most (~75%) of the
    Content/Facts events reported on the almost all events reported
    events reported on the
    inaccurate for events
    timeline. on the timeline. reported on the timeline.
    timeline.

    The overall appearance of The overall appearance of


    The timeline is relatively The timeline is difficult to
    Readability the timeline is pleasing the timeline is somewhat
    readable. read.
    and easy to read. pleasing and easy to read.

    The timeline contained at The timeline contained at The timeline contained at


    The timeline contained
    Resources least 8-10 events related least 6-7 events related to least 5 events related to
    fewer than 5 events.
    to the topic being studied. the topic being studied. the topic being studied.

    TOTAL _____/20

    Cell Theory Historic Timeline Project Rubric


    Student Names:______________________________________________________________________________________________________

    CATEGORY 4 3 2 1
    The timeline has a The timeline has an
    creative title that effective title that
    The timeline has a title The title is missing or
    Title accurately describes the accurately describes the
    that is easy to locate. difficult to locate.
    material and is easy to material and is easy to
    locate. locate.

    An accurate, complete An accurate, complete An accurate date has been Dates are inaccurate
    Dates date has been included for date has been included for included for almost every and/or missing for several
    each event. almost every event. event. events.

    Facts were accurate for


    Facts were accurate for all Facts were accurate for Facts were often
    most (~75%) of the
    Content/Facts events reported on the almost all events reported
    events reported on the
    inaccurate for events
    timeline. on the timeline. reported on the timeline.
    timeline.

    The overall appearance of The overall appearance of


    The timeline is relatively The timeline is difficult to
    Readability the timeline is pleasing the timeline is somewhat
    readable. read.
    and easy to read. pleasing and easy to read.

    The timeline contained at The timeline contained at The timeline contained at


    The timeline contained
    Resources least 8-10 events related least 6-7 events related to least 5 events related to
    fewer than 5 events.
    to the topic being studied. the topic being studied. the topic being studied.

    TOTAL _____/20
    Scientist Contributions

    Hans and Zacharias Janssen


    Dutch lens grinders, father and son
    produced first compound microscope (2 lenses)
    Robert Hooke (1665)
    English scientist
    looked at a thin slice of cork (oak cork) through a compound microscope
    observed tiny, hollow, roomlike structures
    called these structures 'cells' because they reminded him of the rooms that
    monks lived in
    only saw the outer walls (cell walls) because cork cells are not alive
    Anton van Leeuwenhoek (around the same time as Hooke 1680?)
    Dutch fabric merchant and amateur scientist
    looked at blood, rainwater, scrapings from teeth through a simple
    microscope (1 lens)
    observed living cells; called some 'animalcules'
    some of the small 'animalcules' are now called bacteria
    Matthias Schleiden (1838)
    German botanist
    viewed plant parts under a microscope
    discovered that plant parts are made of cells
    Theodor Schwann (1839)
    German zoologist
    viewed animal parts under a microscope
    discovered that animal parts are made of cells
    Rudolph Virchow (1855)
    German physician
    stated that all living cells come only from other living cells

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