Journal Activity: The Scientist of the Cell Theory

Journal Activity: The Scientist of the Cell Theory
Copyright © 2012 - 2013 Travis Terry
This activity can be done in composition notebooks that many students use
as their science journal. Making this not only puts their hands to work, but also
their minds. Using two pages, the information and illustrations of the inventors
and scientists who contributed to the development of the Cell Theory are
shown for the student. For each scientist, there is a place for a short
description to be written of what they did in history. On the right side, the
student has a place to explain what a cell is and also write the three parts of
the Cell Theory. To the right and below, both the prokaryotic and eukaryotic
cell can be explained. Once completed, this activity can serve as a study guide
as well as a grade.
Incorporate your own lesson for the information or have the students do
the research on their own. I also sell a PowerPoint that shows all that is need
for this activity.
PRINTING DIRECTIONS:
Print pages as two-sided pages! If this
is not done, then this activity will not
work. The pages of this activity are
made so that each page lines up exactly
with its match. Remember, that all
printers are machines and they might
need to be adjusted for perfection.
CUT/GLUE DIRECTIONS:
Cut where dotted lines occur.
Glue the backsides down so that they
are situated as shown on the cover page.
SUGGESTION:
Have your students do their research
and writing before the cutting/gluing!
It makes it everything much easier!
Hans & Zacharias Janssen:
_________________________________________________
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Robert Hooke:
_________________________________________________
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Anton Van Leeuwenhoek:
_________________________________________________
_________________________________________________
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Hans & Zacharias Janssen
F
O
L
D
I
N
H
A
L
F
1590
Robert Hooke
G
L
U
E
T
H
I
S
S
I
D
E
1665
Anton Van Leeuwenhoek
D
O
W
N
1680
Matthias Schleiden:
_________________________________________________
_________________________________________________
_________________________________________________
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Theodor Schwann:
_________________________________________________
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Robert Remack:
_________________________________________________
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Rudolf Virchow:
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Matthias Schleiden
F
O
L
D
1838
Theodor Schwann
I
N
H
A
L
F
G
L
U
E
1839
Robert Remack
T
H
I
S
S
I
D
E
D
O
W
N
Rudolf Virchow; 1855
What is a CELL?
_________________________________________________
_________________________________________________
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What is the CELL THEORY?
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FOLD IN HALF
GLUE THIS SIDE DOWN
What is a CELL?
What is the CELL THEORY?
Eukaryote:
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Prokaryote:
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CUT THIS OFF!
Eukaryote
FOLD IN HALF
GLUE THIS SIDE DOWN
Prokaryote
FOLD IN HALF
GLUE THIS SIDE DOWN
CUT THIS OFF!
THE FOLLOWING IS THE
KEY!
Hans & Zacharias Janssen:
Father and son; were Dutch lens makers who
produced the first compound microscope. They
put several lenses in a tube and made a great
discovery – the object near the tube had been
greatly enlarged, much larger than a basic
magnifying glass could have done.
Robert Hooke:
An English scientist; he looked at a thin slice of
cork through a compound microscope and
observed tiny, hollow room-like structures. He
called them cells. He coined the term ‘cells’
because they looked like the rooms that monks
lived in at a monastery. He only saw the outer cell
walls because the cork cells were not alive.
Anton Van Leeuwenhoek:
Dutch amateur scientist; he looked at blood,
pond water, and scrapings from teeth through a
microscope. While looking at these various
things, he discovered tiny moving creatures
which he called ‘animalcules’. They are now
referred to as ‘micro-organisms’. He is commonly
known as the ‘Father of Microbiology’.
Matthias Schleiden:
A German botanist; he viewed plant parts under
a microscope and discovered that they were
made of cells. He is the co-founder of the Cell
Theory. He also recognized the importance of the
cell nucleus and identified its union with cell
division. He declared that cells are the basic
building units of life.
Theodor Schwann:
A German zoologist; he view animal tissue under
a microscope and discovered that they were
made of cells. He is a co-founder of the Cell
Theory. He stated that all living things are
composed of cells and their products.
Robert Remack:
A German embryologist; he discovered that cells divide and
come from pre-existing cells by observing the embryos. His
discovery went unnoticed.
Rudolf Virchow:
A German physician; he concluded the Cell Theory by stating
that all cells are made by existing cells. Though he proposed
that new cells form from existing cells, Remack was the
scientist to discover this.
What is a CELL?
The cell is the basic structural, functional, and
biological unit of all known living organisms. Cells
are often called the ‘building blocks of life’.
What is the CELL THEORY?
1. All organisms are composed of one ore more cells.
2. The cell is the basic unit of structure, functions,
and organization in all organisms.
3. All cells arise from pre-existing, living cells.
Eukaryote:
An organism whose cells DO have a nucleus. Many
eukaryotes have multiple membrane-bound
organelles to carry out specific cell tasks. Eukaryotic
cells arose only 1.5 billion years ago while
prokaryotic cells came about 3.5 billion years ago.
Taxonomic groups which include eukaryotes are
Protista, Plantae, Animalia, and Fungi.
Prokaryote:
An organism whose cells do NOT contain a nucleus.
Some prokaryotes can live in the absence of oxygen,
some can live in extreme environments of heat and
cold, and others at the bottom of the ocean where
their only source of energy is hot hydrogen sulfide
bubbling up through the crust of the Earth.
Taxonomic kingdoms which include prokaryotes are
Bacteria and Archaebacteria.
CUT THIS OFF!