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Science SA 2 2013-14

          KENDRIYA VIDYALAYA SANGATHAN

                  HYDERABAD REGION

              COMMON SUMMATIVE ASSESSMENT-Il

                   SESSION-2013-14 

   SUBJECT:SCIENCE   MARKS:60                                                 DURATION: 2.30 Hrs                 CLASS:VIII                                                                  

GENERAL INSTRUCTIONS:

 

1. All questions are compulsory.

 

2. There is no overall choice. However, internal choice has been provided in all the questions of

five marks category only.

 

3. Q.No. I, II, III, IV carries each 01 Mark.

 

4. Q.No. V carries each 02 Marks.

 

5. Q.No. VI carries each 03 Marks.

 

6. Q.No. VII carries each 05 Marks.

 

I. Fill in the blanks given below                                                                              1 M x 5= 5M

 

1. The stage of an embryo when all the body parts can be identified is called____________

 

2. ______________________is defined as the force acting on the unit area of the surface.

 

3. Time taken by an object to complete one oscillation is called________________________

 

4. The process of depositing a layer of any desired metal on another material by means of

electricity is called _________________________

 

5. Increase in the temperature due to increase in the carbon dioxide gas in the air leads to

 

II. Answer the fo1lowin in one word or one sentence:                                          1M x 5= 5M

 

6. In which female reproductive organ does the embryo get embedded?

 

7. Name the male hormone responsible for secondary sexual characters.

 

8. Why do kabaddi players rub their hands with soil?

 

9. What is the audible range of frequencies for a normal human ear?

 

10. Name the natural satellite of the Earth.

       1        2          3


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