Human Excretory System

 Chart showing the different parts of excretory system in human

Types of Cells based on shapes

The above pictures depicts the various shapes of animal cell such as round cells, irregular shape cells, spindle shape cells and long branched nerve cells(neuron).

Phases of the Moon

Chart on showing the different phases of Moon and how the sun rays travels from sun through moon to Earth to give different shapes of the Moon.

Life cycle of Silkmoth

Chart was prepared on  life cycle of silk moth by using wax, cotton, sticks and papers to show the life stages of silk moth.

Life cycle of silk moth consist of following stages :

1. Female moth
2. Eggs
3. Larvae
4. Pupa
5. Cocoon
6. Cocoon with developing moth
7. Female moth

science laboratory arrangement

processing of fibre into wool from fibre to fabric chapter

Video was shown to the students in order to get the idea of how the processing of fibre into wool is done .

It consist of following steps:

1. Shearing
2. Scouring
3. Sorting
4. Scouring
5. dyeing
6. Straightening, combed, rolling into yarn to make wool