Difference between revisions of "Dermal tissue"

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30 minutes
 
30 minutes
 
==Materials/ Resources needed==  
 
==Materials/ Resources needed==  
A Nerium leaf, blade, dissection needle, a microscope, glass slide, cover slip, glass dish, methylene blue, glycerine, blotting paper etc.
+
A Nerium leaf, a microscope, glass slide, cover slip, glass dish, methylene blue, glycerine, blotting paper etc.
  
 
==Prerequisites/Instructions, if any==
 
==Prerequisites/Instructions, if any==

Revision as of 14:18, 1 August 2014

Activity No # 1 - Observation of dermal tissue

Estimated Time

30 minutes

Materials/ Resources needed

A Nerium leaf, a microscope, glass slide, cover slip, glass dish, methylene blue, glycerine, blotting paper etc.

Prerequisites/Instructions, if any

Cut very thin sections of a nerium leaf and select a good section and observe it under microscope.Observe the outermost layers of cells and draw the diagram.

Multimedia resources

Website interactives/ links/ simulations

Process (How to do the activity)

  • Take a nerium leaf.
  • Take very thin sections(10 to 20) of the leaf and place it in a glass dish with water.
  • Select a very fine section and place it on a glass slide.
  • Add 1 to 2 drops of methylene blue on the section and a drop of glycerine.
  • Cover the section with a cover slip gently and remove the extra stain with a blotting paper.
  • Mount the slide on the microscope.

Developmental Questions (What discussion questions)

Evaluation (Questions for assessment of the child)

Question Corner

To link back to the topic page Give the link of the page name from where activity was given Back