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1 Cell Expo Cell Expo Cell models Episode 1: Cell models.
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1 Cell Expo C e l l E x p o C e l l m o d e l s Episode 1: Cell models
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Transcript of 1 Cell Expo Cell Expo Cell models Episode 1: Cell models.
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Episode 1:
Cell models
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• To observe and explain the shapes and characteristics of cells of unicellular and multi–cellular organisms.
• To observe and compare the main components of plant and animal cells.
Objectives:C
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Engage
We would like your exhibition design company to develop an exhibition on cells for us.
Could you do this for me?
Mrs. Kannikar WongthongsiriNational Science Museum Officer (NSM).Mrs. Kannikar WongthongsiriNational Science Museum Officer (NSM).
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Have you visited NSM before?
Let me take you on a tour
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Engage
You have four tasks for this project:
• Build 3D models of plant and animal cells
• Write and design Information posters to show the functions of cell and their components.
• Design a ‘hands-on’ activities about the movement of substances into and out of cells.
• Write and design a brochure providing an overview of the exhibition.
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Your first task!
Why do you think we want the 3D cell models?
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Engage
Think further! Why do we want models of plant and animal cells?
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Let me introduce you to one of our consultants, Professor Jutharat.
She will help you to understand the science behind the exhibition.
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Explore
9Professor JutharatProfessor Jutharat
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Hello! Nice to meet you. I am a cell biologist.
Do you know what a cell is?
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All living things are made of cells.
Cells are sometimes called the building blocks of life. Scientists say they are the fundamental units of living things.
How big do you think cells are?
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Right! They are very small.What could we use to look at cells? (I’m giving you a clue here!)
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Right! We use a light microscope.
Do you know how to use one?
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It is challenging!
Are you ready to use it now?
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Now you know what cells are and how to use a microscope.
Look at these cells and draw what you can see.
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What can you see inside the cells?Are all the cells the same?How do they differ?Are there any differences between the plant and animal cells?
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Explain
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Cell E
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ell modelsIt is difficult to see the
components inside the cells. I will show you what is inside the cell.
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Plant Cell
Animal Cell
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Compare what you could see with the two labeled diagrams. Compare what you could see with the two labeled diagrams.
Could you see all of the structures shown in the diagrams? Could you see all of the structures shown in the diagrams?
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ExplainC
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Cell MembraneCell MembraneVacuoleVacuole
CytoplasmCytoplasm
ChloroplastChloroplastNucleusNucleus
Cell WallCell Wall
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NucleusNucleus
CytoplasmCytoplasmCell MembraneCell Membrane
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Explain
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How do plant and animal cells differ? Do they have all the same components?
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Elaborate
Great! I think you are ready to make your cell models now.
I also have some materials for you. Select the things you want. You will need to search for further information - perhaps in a textbook or on the internet.
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Elaborate
Good job!
Please tell me how your models work.
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Elaborate
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I have many cell samples to show you.
Can you tell me what components you can see?
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Cell membraneCell membrane
CytoplasmCytoplasm
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Red Blood CellRed Blood Cell
Explain
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NucleusNucleus
CytoplasmCytoplasm
Cell membraneCell membrane
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Explain
Nerve CellNerve Cell
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CytoplasmCytoplasm
NucleusNucleus
Fat storeFat store
Cell membraneCell membrane
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Explain Fat CellFat Cell
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Soil particlesSoil particles
Cell wallCell wall
VacuoleVacuole
CytoplasmCytoplasm
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Explain Root Hair CellRoot Hair Cell
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Muscle CellsMuscle Cells
CytoplasmCytoplasm
NucleusNucleus Cell membraneCell membrane
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Explain
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EvaluateC
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What have you learnt about cells and their components?
Discuss this with your friends.
