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Unit 1 Cells and Heredity
Chapter 2 What is Life
Section 3 Discovering Cells
Section 4 Looking Inside Cells


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Created    12/9/2002     

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Previous: Classifying Organisms              Next: Cell Processes and Energy

Teacher Resources           Student Extra Credit


2-3 Discovering Cells
An Overview of Cells
First Observation of Cells
Development of Cell Theory
Light and Electron Microscopes

2-4 Looking Inside Cells
Enter the Cell
Sail On to the Nucleus
  Organelles in the Cytoplasm 
Specialized Cells

 

Day 1
readme.gif (1442 bytes) Prentice Hall 50-57
Pencil.gif (1165 bytes)RSG 2-3 Discovering Cells
Day 5
Pencil.gif (1165 bytes)
RSG 2-4 Looking Inside Cells
Day 2
crayon0a.gif (328 bytes) Penny Archaeology
Day 7
Pencil.gif (434 bytes) Organelle Note Cards
Day 3
Computer.gif (1114 bytes) OnLine Microscope Lab
Day 8
Pencil.gif - 434 Bytes Draw and label the plant cell
Day 4
Magnify0b.gif - 341 Bytes
  Microscope Mania
Day 9
Pencil.gif - 434 Bytes Animal Cell Diagram

 

Day 1
Topic 2-3 Discovery of Cells                                                
Objectives/ I can...
Explain the cell theory.
Learn about the scientists and how cell theory was developed.
State Goals
12.A.3a Explain how cells function as "building blocks" of organisms and describe the requirements for cells to live.

Common Core MS-L1-1
Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.

Classwork-Homework
Chalkboard.bmp (15654 bytes)
On the Board
Cell:
basic unit of structure and function in living things

Chalkboard.bmp (15654 bytes)
On the Board
Cell Theory
All living things are made up of one or more cells
Cells are the basic units of structure in living things, and cells carry on all life processes             
Cells come only from other living cells

Chalkboard.bmp (15654 bytes)
On the Board

Scientists and Cell Theory 

Scientist

Date

Discovery

Robert Hooke 1665 1st person to observe and name dead cells in cork. 
Anton van Leeuwenhoek 1674 1st to observe and describe living cells in drop of pond water.
Matthias Schleiden 1838 Stated that all plants are made up of cells.
Theodor Schwann 1839 Said the cell is the basic unit of structure in animals
Rudolph Virchow 1855 Said all living cells come from other living cells

  Meet the The Scientist: Robert Hooke  3:29
MicrobiologyBytes: Antoine von Leeuwenhoek  4:00
Lens on Leeuwenhoek: Life, Times and Accomplishments 7:41

readme.gif (1442 bytes) Prentice Hall 50-57 

  MIRACLE OF DESIGN IN CELLS: WONDER OF MICRO-BIOLOGY
Miracle of Design in Cells: Wonder of Micro-Biology 1  10:00
Miracle of Design in Cells: Wonder of Micro-Biology 2  10:00
Miracle of Design in Cells: Wonder of Micro-Biology 3  10:00
Miracle of Design in Cells: Wonder of Micro-Biology 4  7:38

 Pencil.gif (1165 bytes)Reading Study Guide 2-3 Discovering Cells

TEC
Resources
Note02.gif (247 bytes) Cell Theory Timeline

 

Day 2
Topic  Microscopes
Objectives/ I can...
Explain how living things are different from nonliving things.                                                      
Describe how the microscope led to the discovery of cells.
Describe the cell theory.
To become familiar with the hand lens (magnifying glass) and the stereoscopic microscope (dissecting microscope).
State Goals
13.B.1a Explain the uses of common scientific instruments.
Classwork
 Chalkboard.bmp (15654 bytes)
On the Board
Microscope
: tool that make things look larger than they really are.
Lens: piece of curved glass that causes light rays to come together or spread out

Chalkboard.bmp (15654 bytes)
On the Board
Types of Light Microscopes
Simple Microscope: has only one lens
Compound Microscope: has two or more lenses

filmstrip.gif (6075 bytes) Introduction to the Microscope
filmstrip.gif (6075 bytes) History of the Microscope 
filmstrip.gif (6075 bytes) History of the Microscope from The Science Spot
filmstrip.gif (6075 bytes) Parts of the Microscope
 
Lecture.gif (2227 bytes) Show class the different microscopes  Computer.gif (1114 bytes)
Antique Microscopes

Magnify0b.gif (341 bytes) Draw the head and tails side of a penny or nickel using a hand lens.

Magnify0b.gif (341 bytes) Coin Archaeology   Answer questions about your coin.  Student page 2.
TEC
Resources
Note02.gif (247 bytes) Penny Information
Note02.gif (247 bytes) Nickel Information

 

Day  3
Topic  OnLine Using Microscopes
Objectives/ I can...
Use a microscope.
State Goals
13.B.1a Explain the uses of common scientific instruments.
Classwork
Computer.gif (1114 bytes) OnLine Microscope Lab
1. View images of each slide at 10X  60X  200X power
2. Students draw image
3. Record slide name and power
4. Read through information.

Slide Names

1. Butterfly wing
2. Assassin Bug
3. Black Widow Spider Eggs
4. Feather
5. Leaf
6. Wolf Spider
7. Triops

 Computer.gif (1114 bytes) Interactive Microscope Organisms in water
Click on view the slide microscope

 Computer.gif (1114 bytes) Virtual Electron Microscope
Click on Virtual Electron Micrscope at the Discovery Site.
Pencil.gif (1165 bytes) Virtual Electron Microscope Worksheet

 Computer.gif (1114 bytes) Cell Photos
Elodea, Onion Skin, Yeast, Cheek, Letter "e"

TEC
Resources
Pencil.gif (1165 bytes) Microscope Pictures 9 circles to draw what is seen using a microscope

 

Day  4 and 5
Topic  Using Microscopes
Objectives/ I can...
Use a microscope.
Create magnifying glasses.
Label the parts of a microscope.
State Goals
13.B.1a Explain the uses of common scientific instruments.
Classwork
This activity can be found at The Science Spot
Magnify0b.gif - 341 Bytes
  Microscope Mania  My worksheet
camera.GIF (174 bytes) Cell Photograph Page for Station 3

Note02.gif (247 bytes)Microscope Mania Notes 
Microscope Mania Station cards and Materials
Microscope Mania Mystery Picture Cards
Microscope Mania Student Worksheet

Note02.gif (247 bytes) 2003 Mystery Pictures

Note02.gif (247 bytes) Microscope parts Page
Pencil.gif (1165 bytes) Microscope Quiz

Magnify0b.gif (341 bytes) Water Drop Microscope

TEC
Resources
Computer.gif (1114 bytes) OnLine microscope Parts Quiz
 Note02.gif - 247 Bytes
How to Make a Wet Slide
 Note02.gif - 247 Bytes Staining Cells: Cheek

 

Day 6
Topic 2-4 Looking Inside Cells
Objectives/ I can...
Identify the main cell parts.
Describe the functions of the cell parts.
State Goals
12.A.3a Explain how cells function as "building blocks" of organisms and describe the requirements for cells to live.
12.A.3c Compare and contrast how different forms and structures reflect different functions.

Common Core MS-LS1-2
Develop and use a model to describe the function of a cell as a whole and ways parts of cells contribute to their function.

Classwork-Homework
Chalkboard.bmp (15654 bytes)
On the Board

Cell Function Chart

CELL ORGANELLE

FUNCTION: WHAT IT DOES.

Cell Membrane Doorway/Screen
thin structure that surrounds a cell; allows substances in & out
Cytoplasm jelly-like substance inside the cell
Nucleus Control Center
control center of the cell
Nuclear Membrane thin structure that surrounds and protects the nucleus
Mitochondria Powerhouse
releases energy for the cell
Endoplasmic Reticulum Transportation System
small network of tubes that move substances along
Ribosomes Protein Factories
small, round structures that make proteins
Golgi Bodies (GF) Post Office
packages and sends materials in the cell
Vacuole Storage Tanks
stores substances cells need to survive
Lysosomes Clean up Crew
structures that break down nutrients and old cell parts
Cell Wall (Plant) Fence
thick outer layer that surrounds the cell membrane of plant cells
Chloroplast (Plant) Energy Producers
organelle that contains chlorophyll

Tour of the Cell  3:09
filmstrip.gif (6075 bytes) Cell Structure
filmstrip.gif (6075 bytes) Cell Structure and Function
filmstrip.gif (6075 bytes) Cell Structures, Functions, and Transport  ppt

readme.gif (1442 bytes) Prentice Hall 60-67  

Pencil.gif (1165 bytes) Reading Study Guide 2-4 Looking Inside Cells

TEC
Resources
Note02.gif (247 bytes)
Cell Rap Song
Note02.gif - 247 Bytes 
Inside the Cell

 

Day 7
Topic  Cell Organelles
Objectives/ I can...
Describe the functions of the cell parts.
Create cell organelle fact cards.
State Goals
12.A.3a Explain how cells function as "building blocks" of organisms and describe the requirements for cells to live.
12.A.3c Compare and contrast how different forms and structures reflect different functions.

Common Core MS-LS1-2 
Develop and use a model to describe the function of a cell as a whole and ways parts of cells contribute to their function.

Classwork-Homewok
Pencil.gif (434 bytes) Organelle Notecards

Use Computer.gif (1114 bytes) Virtual Plant and Animal cell Tour to draw and label the picture and write the defintion, of cell organelles on index cards.
TEC
Resources

 

Day  8
Topic Plant and Animal Cells
Objectives/ I can...
Compare plant cells and animal cells.
State Goals
12.A.3a Explain how cells function as "building blocks" of organisms and describe the requirements for cells to live.
12.A.3c Compare and contrast how different forms and structures reflect different functions.
Common Core MS-LS1-2 
Develop and use a model to describe the function of a cell as a whole and ways parts of cells contribute to their function.
Classwork-Homework
Chalkboard.bmp (15654 bytes)
On the Board
Plant Cell Organelles
(Add to Cell Function Chart)
Cell Wall: thick outer layer that surrounds the cell membrane of plant cells
Chloroplast: organelle that contains chlorophyll
Cellulose: sugar that that make up the cell wall
Chlorophyll: green material in chloroplasts that is needed to make food

 Note02.gif (247 bytes) Cell City Analogy 
Pencil.gif (1165 bytes) Analogy of a Cell Project pages 3-5

Cell Organelle Function City Analogy
Cell Wall Fence City limits
Cell Membrane Entrance and Exit RR tracks, streets, roads
Nucleus Control center Mayor or City Hall
Endoplasmic Reticulum Transportation System Roads, Vehicles, Railroads
Ribosomes Make Protein Workers
Golgi Apparatus Packages and sends materials Post Office
Vacuole Storage Tanks Water Towers
Chloroplasts Make Food Restaurants


Pencil.gif (1165 bytes) Cell Analogy
Write topics on note cards and pass out one to each student.
Allow one minute to trade cards.
Work through any card that is left.

Factory Car Airport
Pizza Parlor School Fire Station
Prison McDonalds Train
Mall Football Team My House
Zoo Farm Police Dept
Movie Theater YMCA Cruise Ship
Hospital Disneyworld Jewel-Osco
Airplane Army Tank Church
School Bus Ant Farm Blockbusters
Channel Cat Football Stadium  

 

TEC
Resources
Earth.gif (6650 bytes) Virtual Cell Tour: Plant and Animal

Pencil.gif (1165 bytes) Questions for Cell Tour  

 new.gif (2137 bytes)Pencil.gif (1165 bytes) Science Explorer page 142 Modeling Cell Structures

Note02.gif (247 bytes) Cell Analogy to a Truck

 

Day 9
Topic  Cell Diagrams
Objectives/ I can...
Create a biological drawing.
Draw and label parts of plant and animal cell.                                                                           
State Goals
12.A.3a Explain how cells function as "building blocks" of organisms and describe the requirements for cells to live.
Common Core MS-LS1-2 
Develop and use a model to describe the function of a cell as a whole and ways parts of cells contribute to their function.
Classwork-Homework
 
Note02.gif - 247 Bytes Rules for Biological Drawings

 Note02.gif - 247 Bytes Cell Drawing Rubric for information.

 Pencil.gif - 434 Bytes Draw and label the plant cell.
camera.GIF (174 bytes)Prentice Hall page 64
camera.GIF (174 bytes)Globe Fearon 2-14 Plant Cell   p.46
camera.GIF (174 bytes)Globe Fearon Plant Cell p.84    
camera.GIF (174 bytes)Old Prentice Hall 3-4 Plant Cell   p.73
TEC
Resources
Earth.gif - 6650 Bytes
Cell Vizualization Project 

 

Day 10
Topic  Animal Cell
Objectives/ I can...
Identify and label animal cell.
State Goals
12.A.3a Explain how cells function as "building blocks" of organisms and describe the requirements for cells to live.
Common Core MS-LS1-2 
Develop and use a model to describe the function of a cell as a whole and ways parts of cells contribute to their function.
Classwork-Homework
 checkmark.gif - 221 Bytes 
Evaluate Plant Cell using Plant Cell Rubric

 Pencil.gif - 434 Bytes Color code and label Animal Cell Diagram.  Write the function of each cell part.            
TEC
Pencil.gif - 434 Bytes Draw Animal Cell using Animal Cell Rubric  
camera.GIF (174 bytes) Prentice Hall page 65
camera.GIF (174 bytes)Old Prentice Hall 3-5 Animal Cell  p.74
Resources

 

Day 11
Topic Cell Shape
Objectives/ I can...
Describe and relate the structures and functions of different kinds of cells
State Goals
12.A.3a Explain how cells function as "building blocks" of organisms and describe the requirements for cells to live.

Common Core MS-L1-1
Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.
Common Core MS-LS1-2
Develop and use a model to describe the function of a cell as a whole and ways parts of cells contribute to their function.

Classwork-Homework
 Chalkboard.bmp (15654 bytes)
On the Board
Unicellular:
contains only one cell
Multicellular:
contains more than one cell
Pseudopod:
fingerlike extension of the cytoplasm
Stoma:
tiny openings in the upper and lower surfaces of a leaf
Guard Cell:
controls the size of the stomata

Pencil.gif (434 bytes) Cell Shape and Function Chart    Add column to draw cell.                         

Cell

Structure

Function

Amoeba Change shape To move and get food
Red Blood Cell Flexible; Fit through tubes Carry oxygen
Nerve Cells Long and thin Carry messages called impulses.
Guard Cells Can swell and shrink Controls the size of the stomata

 Lecture.gif (2227 bytes) Ode to an Amoeba To Twinkle Twinkle Little Star

 Computer.gif (1114 bytes) Cell Quiz

TEC
Pencil.gif - 434 Bytes
 Cell Book Project  Internet Research
Resources

  
Previous: Classifying Organisms              Next: Cell Processes and Energy 



Teacher Resources

 Pencil.gif (1165 bytes) Assignments    crayon0a.gif (328 bytes) Art Activity    Magnify0b.gif - 341 BytesLab      BookOpen.bmp (16686 bytes) Lesson Plan      braininjar.gif (1615 bytes)Tests     IconMap.bmp (3402 bytes) Maps     Note02.gif (247 bytes) Resources     Earth.gif (6650 bytes) Web Sites    
SchoolBus5.bmp (6174 bytes) Field Trips      Computer.gif (1114 bytes) Computer     bookpages.gif (1592 bytes) Book    Dice.bmp (3974 bytes) Games    star.gif (2279 bytes)Extra Credit     filmstrip.gif (6075 bytes)PPT     Videos

 Note02.gif - 247 Bytes Biology Chapter Worksheets
CELL ANALOGIES
 Pencil.gif (1165 bytes) Cell to City Comparison
 Pencil.gif - 434 Bytes  Cell City Analogy  
 Pencil.gif (434 bytes) How Does a Plant Cell Relate to Your School?  at Mrs Kings BioWeb
Goto Worksheets   Click on Cell Function Worksheet
 crayon0a.gif (328 bytes) Cell City Mobile
CELL MEMBRANE
 Magnify0b.gif - 341 BytesCell Membrane and Surface Area Demos  The following demonstrations will illustrate the many different effects that surface area can have.
CELLS
 Pencil.gif - 434 Bytes Cell Book Project
 Pencil.gif - 434 Bytes Cell City   Compare the organelles to the parts of a city.
 Pencil.gif (434 bytes) Organelle Notecards  Cut out each box and correctly match the organelle to the proper description. Paste to index cards to create study flashcards.
  Pencil.gif - 434 Bytes Journey Into a Cell  Student groups will assemble and edit scientific information on cells, then write and illustrate a creative story.
 Magnify0b.gif - 341 Bytes Cell Observation Exercise  The students are required to learn how to use a microscope, know how to determine size of objects, make a wet mount, stain cells, identify large cellular structures, know differences between procaryotic, eukaryotic, plant and animal cells.
 Note02.gif - 247 Bytes Cell Organelle Table
 Note02.gif - 247 Bytes History of Cell Discoveries 
Robert Hooke (1665) 
Anton van Leeuwenhoek
Matthias Schleiden (1838) 
Theodor Schwann (1839) 
Rudolph Virchow (1855)
  Note02.gif - 247 Bytes Levels of Organization
 Note02.gif - 247 Bytes Microbe Hunters  Play tells the story of Lazzaro Spallanzani. The second act deals with Pasteur and his refutation of spontaneous generation.
 Earth.gif - 6650 Bytes Cell Explorer  Interactive site to explore the cell.  Great graphics.
 Earth.gif - 6650 Bytes Cell Vizualization Project
 Earth.gif - 6650 Bytes Cells Alive
 Earth.gif - 6650 Bytes Inside the Cell provides an overview of the basic facts of cell biology. The brochure also contains some history of key scientific discoveries.
 Earth.gif - 6650 BytesLevels of Organization   In unicellular (single-celled) organisms, the single cell performs all life functions. It functions independently. However, multicellular (many celled) organisms have various levels of organization within them. Individual cells may perform specific functions (causing a division of labor) and work together for the good of the entire organism. The cells become dependent on one another.  Explore Cells, Tissues, Organs, Organ Systems, and Organisms.
 Earth.gif (6650 bytes)   OnLine Onion Root Tips  In order to examine cells in the tip of an onion root, a thin slice of the root is placed onto a microscope slide and stained so the chromosomes will be visible. The cells you'll be looking at in this activity were photographed with a light microscope and then digitized so you can see them on the computer.
 Earth.gif - 6650 BytesStudying Cells Tutorial  This exercise is designed to review the scientific method and introduce you to the cell as the fundamental unit of life.
 Earth.gif (6650 bytes) Virtual Cell Tour: Plant and Animal
MICROSCOPES
 Pencil.gif (434 bytes) Scanning Electron Microscope Worksheet      Earth.gif (6650 bytes) Scanning Electron Microscope Web Site
 Magnify0b.gif (341 bytes) Hair to Compare  Compare different animal hairs under a microscope.
 Magnify0b.gif - 341 Bytes Microscope Lesson  Lesson Plan:    View: Letter "e", cheek cells, animal & plant cells.
 Magnify0b.gif (341 bytes) Toothpaste Textures  Compare different toothpastes using a microscope and consumer testing.
 Note02.gif - 247 Bytes Microscope Diagram   A labeled diagram of a microscope
 Note02.gif - 247 Bytes Microscope Mania Notes 
         Microscope Mania Station cards and Materials
          Microscope Mania Mystery Picture Cards 
          Microscope Mania Student Worksheet
 Earth.gif - 6650 Bytes An Introduction  to Microscopy      The following pages introduce you to the world of the microscope. You will get information about the instrument and about the subjects you can study through the microscope.
 Earth.gif - 6650 Bytes Antique Microscopes  9 pages of microscopes from the beginnings in 1670 to the 1900's.
 Earth.gif - 6650 Bytes History of the Light Microscope  The microscope has become one of the most recognizable symbols of science. This site covers the early history of the microscope, starting with use of a simple lens in ancient times, to the first compound microscope circa 1590, up to the microscopes of the 19th century.
  Earth.gif - 6650 Bytes The History of the Microscope: The van Leeuwenhoek Microscope   Some Leeuwenhoek microscopes are not what they seem. These studies reveal the appearance of a typical Leeuwenhoek microscope. However, there is an intriguing aspect to each.
 Earth.gif - 6650 BytesMicroscope: How to Use It and Enjoy It  Neat site.  Looks at viruses, bacteria, and other microbes.
VAN LEEUWENHOEK
Computer.gif (1114 bytes) The Van Leeuwenhoek Specimens  Original specimens prepared by Leeuwenhoek
in the 1600s
Note02.gif (247 bytes) Interview With Van Leeuwenhoek Time Traveler Interview
Earth.gif - 6650 Bytes Antony van Leeuwenhoek: Inventor of the Microscope  One of the earliest uses of a simple microscope for examining the minute details of living things was by a Dutch cloth merchant, Anton van Leeuwenhoek (1632-1723).


Student Extra Credit

 star.gif - 2279 Bytes Extra Credit star.gif - 2279 Bytes

 star.gif - 2279 BytesCell Parts Quiz  Take the quiz and bring in your answer sheet.
 star.gif - 2279 BytesCell Theory Historical Timeline  Construct a timeline showing the chronology of the historical events leading to the development of the cell theory.
 star.gif - 2279 Bytes Drag and Drop Cell Membrane  Create and label a model of a cell membrane.
 star.gif - 2279 BytesUse the Microscope Mania  worksheet and go to Cells & Microscopes to explore answers to the questions.


Previous: Classifying Organisms              Next: Cell Processes and Energy

Visit  Phillip Martin's Free Clip Art Site for his great graphics for education.

 

STUDENT "I can....."

Create a time line that traces the development of microscopes.

Identify major cell organelles, given a diagram.

Distinguish between plant and animal cells given diagrams.

Demonstrate appropriate use and care of compound light microscopes.