CBSE Class 8 Science - Revision (1)

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CBSE Class 8 Science - Revision (1)

Chapter wise assignments are being given by teachers to students to make them understand the chapter concepts. Its extremely critical for all CBSE students to practice all assignments which will help them in gaining better marks in examinations. All assignments available for free download on the website are developed by the best teachers having many years of teaching experience in CBSE schools all over the country. Students, teachers and parents are advised to download the CBSE study material.


A. Give one word of the following :

1. Simple plant-like organisms which make their own food by photosynthesis --------------------

2. Reflection from a smooth mirror is called --------------------

3. The phenomenon of scattering of white light --------------------

4. Petrol and diesel obtained from natural resource called ---------------------

5. Mirror used as side view mirrors in automobiles --------------------

6. The resources which are limited in nature --------------------

7. The lens thick in the middle, thinner at the edges --------------------

8. Diseases which spread from infected to healthy person --------------------

9. Least polluting fuel for vehicle --------------------

10. Least distance of distinct vision is --------------------

B. Fill in the blanks:

1. ----------------- are tiny organisms that can only be seen through a microscope.

2. ----------------- is a process of heating milk to a high temperature and then cooling it quickly.

3. The size of the pupil of an eye is controlled by ------------------------.

4. The phenomenon of interchange of left and right in mirror is called ------------------------.

5. Fossil fuels are ------------------------, ------------------------ and ------------------------.

6. -------------------- is the partial sterilization of milk by heating it for short time exceeding 135o C.

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