Difference between revisions of "Complex permanent tissue"
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__FORCETOC__ | __FORCETOC__ | ||
| − | =Activity No # 1 - ''' | + | =Activity No # 1 - '''Observation of xylem and phloem'''= |
==Estimated Time== | ==Estimated Time== | ||
| − | + | 30 minutes | |
==Materials/ Resources needed== | ==Materials/ Resources needed== | ||
| + | A stem of a soft plant,blade,dissection needle,glass dish,safranin,cover slip,microscope etc. | ||
==Prerequisites/Instructions, if any== | ==Prerequisites/Instructions, if any== | ||
| + | Observe the section carefully and try to identify xylem and phloem tissue and draw the picture of the same. | ||
==Multimedia resources== | ==Multimedia resources== | ||
==Website interactives/ links/ simulations== | ==Website interactives/ links/ simulations== | ||
==Process (How to do the activity)== | ==Process (How to do the activity)== | ||
| + | *select a piece of stem of a soft plant. | ||
| + | *Cut very thin sections of the stem(10 to 20) and place them in a glass dish with water. | ||
| + | *Select a fine section and transfer it to a glass slide. | ||
| + | *Add one drop of safranin on the section and a drop of glycerine. | ||
| + | *Now gently place the cover slip on the slide with the help of dissection needle. | ||
| + | *Remove the extra stain with the help of blotting paper. | ||
| + | *Mount the slide on the microscope and observe carefully. | ||
==Developmental Questions (What discussion questions)== | ==Developmental Questions (What discussion questions)== | ||
| + | *Name the different types of cells you observed? | ||
| + | *Did you identify xylem and phloem cells? | ||
| + | *Where are they situated?a.At the center. b.Intermediate. c.On the outer layer. | ||
==Evaluation (Questions for assessment of the child)== | ==Evaluation (Questions for assessment of the child)== | ||
| + | *What is the structure of xylem as you observed? | ||
| + | *What is the structure of phloem as you observed? | ||
| + | *How are they arranged in the stem? | ||
| + | |||
==Question Corner== | ==Question Corner== | ||
'''To link back to the topic page''' | '''To link back to the topic page''' | ||
[http://karnatakaeducation.org.in/KOER/en/index.php/'''Give the link of the page name from where activity was given''' Back] | [http://karnatakaeducation.org.in/KOER/en/index.php/'''Give the link of the page name from where activity was given''' Back] | ||
Revision as of 04:55, 2 August 2014
Activity No # 1 - Observation of xylem and phloem
Estimated Time
30 minutes
Materials/ Resources needed
A stem of a soft plant,blade,dissection needle,glass dish,safranin,cover slip,microscope etc.
Prerequisites/Instructions, if any
Observe the section carefully and try to identify xylem and phloem tissue and draw the picture of the same.
Multimedia resources
Website interactives/ links/ simulations
Process (How to do the activity)
- select a piece of stem of a soft plant.
- Cut very thin sections of the stem(10 to 20) and place them in a glass dish with water.
- Select a fine section and transfer it to a glass slide.
- Add one drop of safranin on the section and a drop of glycerine.
- Now gently place the cover slip on the slide with the help of dissection needle.
- Remove the extra stain with the help of blotting paper.
- Mount the slide on the microscope and observe carefully.
Developmental Questions (What discussion questions)
- Name the different types of cells you observed?
- Did you identify xylem and phloem cells?
- Where are they situated?a.At the center. b.Intermediate. c.On the outer layer.
Evaluation (Questions for assessment of the child)
- What is the structure of xylem as you observed?
- What is the structure of phloem as you observed?
- How are they arranged in the stem?
Question Corner
To link back to the topic page Give the link of the page name from where activity was given Back