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									                          HOLIDAY HOME WORK 2009-10
                                           CLASS VIII
ENGLISH: Find out the given meanings and complete the given worksheet.

HINDI: Complete the given worksheet

URDU: Complete the given worksheet

MATHS: Ch-8 Compairing Quantities: Page 121, Q.1,2,3(Try These),Page 131: Q,1,2 (Try
These)

Chapter-9, Algebraic Expressions:Page 149, Q: 1,2,3,4 (Try These)

Chapter-11, Mensuration. Page:176, Q (i),(ii),(iii) (Try These)

GENERAL SCIENCES: Make a PowerPoint presentation on Topic: Chemical Effects Electric
Currents (Minimum 8 Slides) and Complete the given worksheet.

SOCIAL SCIENCE:

a) On an outline of India mark three places where Universities in 1857

b) On an outline of India mark the main centers of the revolt of 1857

Prepare and learn the Chapters Revolt of 1857-1858, Education and the British rule in India, Mineral and
Power Resources, Natural Vegetation and Wild life for a revision test on 15th December, 2009 based on
the chapters completely.
                                ENGLISH HOLIDAY HOMEWORK
1.Find out the meanings of the following expressions by consulting your dictionary,

 and use them in your own sentences.



 a) dirt cheap:

 b) forty winks:

 c) in the nick of time:

 d) fired her imagination:

 e) lie in wait:

 f) at the outset:

 g) at close quarters:

 h) take stock of:

 i) the pros and cons:

 j) fly off the handle:



2. Complete the distributed worksheet.




                                MATHS HOLIDAY HOMEWORK

: Ch-8 Compairing Quantities: Page 121, Q.1,2,3(Try These),Page 131: Q,1,2 (Try These)

Chapter-9, Algebraic Expressions:Page 149, Q: 1,2,3,4 (Try These)

Chapter-11, Mensuration. Page:176, Q (i),(ii),(iii) (Try These)
                              Daratassalam International

                        Delhi Public School -Riyadh
                                 Work Sheet 2009-10

                  Subject   Grade                      Topic

                  Biology        VIII       Cell –Structure and Function

                  Name:                                  Date:




1. Cells are specialized to carry out certain functions. Name the type of cell which
   performs the following functions;


   (a) carries electrical impulses ………………….…………………………………………………………



   (b) Shortens to bring about the movement ….……………………………………………………



   (c) Absorbs salts and water from the soil ……….…………………………………………………



   (d) kills bacteria …………………………………………………………………………………………………..

2. Classify the following into Organelles, Cell, Tissues, Organ, Organ System and
   Organism.


      Cell wall      Root   Flower      Stomach     Paramecium             Leaf

       Tongue        Amoeba      Bacteria    Plasma Membrane           Nucleus



      Organelles

      Cell

      Tissues

      Organ

      Organ System
      Organism



3. When can the chromosomes been seen?


   ………………………………………………………………………………………………………………………………



   ………………………………………………………………………………………………………………………………



4. What is the nature and function of Nuclear membrane?


   ……………………………………………………………………………………………………………………………..



   ……………………………………………………………………………………………………………………………..



   ……………………………………………………………………………………………………………………………..




5. What is the function of the following


   (a) Chromosomes



   ……………………………………………………………………………………………………………………………..



   ……………………………………………………………………………………………………………………………..



   (b) Cell wall
   ……………………………………………………………………………………………………………………………..



  (c) Chloroplasts



   ……………………………………………………………………………………………………………………………..



  (d) Plasma Membrane



   …..…….………………………………………………………………………………………………………………….



6. The key below lists organs of the human body


                Letter               Organ

                     A       Brain

                     B       Heart

                     C       Lung

                     D       Stomach

                     E       Large intestine

                     F       Kidney

                     G       Bladder

                     H       Uterus



The table which shows a function of each of these organs. Match the correct
function to each organ by writing the correct letter in the box.

                               Function                            Letter

                     Stores waste fluid called urine

              Breaks down food into smaller chemicals
      Can contain a developing fetus

           Controls other organs

   Filters the blood to help remove waste

      Pumps blood through the body

  Helps to move air in and out of the body

Takes water from food into the blood stream
                      DARATASSALAM INTERNATIONAL

                   Delhi Public School -Riyadh
                                 Work sheet

                                         Ref   TOPIC –CHEMICAL
                  Subject       Grade
                                         No       EFFECTS OF
                                                   ELECTRIC
                CHEMISTRY         8       6        CURRENT

             Name :                            Date :




1. List the components of a closed circuit.



…………………………………………………………………………………………………………………



………………………………………………………………………………………………………………..

2. What is an electrode?



………………………………………………………………………………………………………………….



………………………………………………………………………………………………………………….

3. What is the difference between electrode and electrolyte?



…………………………………………………………………………………………………………………..



…………………………………………………………………………………………………………………..

4. A student set up the following apparatus. Label the parts of it.
5. Why does solid sodium chloride not conduct electricity?



…………………………………………………………………………………………………………………..



..................................................................................................



6. The diagram below shows the electroplating of nickel plates with some
other metals. Which plates of nickel will get electroplated? Give reasons.




……………………………………………………………………………………………………………….



………………………………………………………………………………………………………………..



…………………………………………………………………………………………………………………
………………………………………………………………………………………………………………….

7. Write a short note on L E D.



…………………………………………………………………………………………………………………



…………………………………………………………………………………………………………………



…………………………………………………………………………………………………………………



…………………………………………………………………………………………………………………



…………………………………………………………………………………………………………………

8. State the uses of electroplating.



…………………………………………………………………………………………………………………



…………………………………………………………………………………………………………………



…………………………………………………………………………………………………………………



…………………………………………………………………………………………………………………



…………………………………………………………………………………………………………………
                     Delhi Public School -Riyadh
                                Worksheet 2009-10

               Subject           Grade   Ref No.       Topic

                                                    SOME NATURAL
               Physics            VIII               PHENOMENA




               NAME:                               DATE:




Answer the following:



1. What is meant by earthing?



…………………………………………………………………………………………………………………



…………………………………………………………………………………………………………..……



2. What is a lightning rod?



…………………………………………………………………………………………………………………



…………………………………………………………………………………………………………………..



3. What are seismic waves?



…………………………………………………………………………………………………………………

………………………………………………………………………………………………………………….
4. Give the other name for weak zone.

…………………………………………………………………………………………………………………

………………………………………………………………………………………………………………

.

5. Is the electric Eel really electric?



………………………………………………………………………………………………………………….

………………………………………………………………………………………………………………….



6. How does the electric eel use the electric discharge?



…………………………………………………………………………………………………………………

………………………………………………………………………………………………………………..



7. Is the car safe during a thunderstorm?



………………………………………………………………………………………………………………..

……………………………………………………………………………………………………………….



8. Can we use telephone during a thunderstorm?



………………………………………………………………………………………………………………..



………………………………………………………………………………………………………………



9. Do the car tyres protect us from lighting?
……………………………………………………………………………………………………………….

……………………………………………………………………………………………………………..



10. What useful changes are caused by earthquakes?



…………………………………………………………………………………………………………………..

…………………………………………………………………………………………………………………



11. What is tsunami?

…………………………………………………………………………………………………………………

………………………………………………………………………………………………………………..



12. How is lightning useful to us?



………………………………………………………………………………………………………………..



………………………………………………………………………………………………………………….




SOCIAL STUDIES
a) On an outline of India mark three places where Universities in 1857

b) On an outline of India mark the main centers of the revolt of 1857

Prepare and learn the Chapters Revolt of 1857-1858, Education and the British rule in India, Mineral and
Power Resources, Natural Vegetation and Wild life for a revision test on 15th December, 2009 based on
the chapters completely.

								
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