CBSE Class 9 Science Matter in Our Surroundings Worksheet Set C

Read and download free pdf of CBSE Class 9 Science Matter in Our Surroundings Worksheet Set C. Download printable Science Class 9 Worksheets in pdf format, CBSE Class 9 Science Chapter 1 Matter in Our Surroundings Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Science Class 9 Assignments and practice them daily to get better marks in tests and exams for Class 9. Free chapter wise worksheets with answers have been designed by Class 9 teachers as per latest examination pattern

Chapter 1 Matter in Our Surroundings Science Worksheet for Class 9

Class 9 Science students should refer to the following printable worksheet in Pdf in Class 9. This test paper with questions and solutions for Class 9 Science will be very useful for tests and exams and help you to score better marks

Class 9 Science Chapter 1 Matter in Our Surroundings Worksheet Pdf

Practice Worksheet
CBSE Class 9 Science
Topic: Matter in our Surroundings


Very Short Answer

Q1) Why do people sprinkle water on the roof after a hot sunny day? 
Ans: After a hot sunny day, people sprinkle water on the roof or open ground because the large latent heat of vaporisation of water helps to cool the surface. Water takes away the heat from the ground and gives cooling effect.


Q2) Convert the following Celsius temperature to Kelvin temperature. -73 ° C
Ans:  K=° C + 273 = -73 + 273 = 200 K
 
Q3) Ravi was sipping hot tea from a saucer than a cup as he was in a hurry. Why do you think he was doing that?
Ans: Because a saucer provides more surface area than a cup for evaporation of the liquid.Hence cooling takes faster.
 
Q4) ‘osmosis’ is a special kind of diffusion. Comment. 
Ans: Yes, it is true because in both the phenomena, there is movement of particles from a region of higher concentration to a region of lower concentration, however in osmosis movement takes place through semi permeable membrane which only allows solvent to pass through it.

Q5) On suffering from fever which will lower down your body temperature, more ice or ice cold water?
Ans: Ice will lower down body temperature more because it will take latent heat of fusion from our body and fever will come down faster.
 
 

Click below to download practice worksheet for CBSE Class 9 Science Matter in Our Surroundings Worksheet Set C

Chapter 1 Matter in Our Surroundings CBSE Class 9 Science Worksheet

The above practice worksheet for Chapter 1 Matter in Our Surroundings has been designed as per the current syllabus for Class 9 Science released by CBSE. Students studying in Class 9 can easily download in Pdf format and practice the questions and answers given in the above practice worksheet for Class 9 Science on a daily basis. All the latest practice worksheets with solutions have been developed for Science by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their examinations. Studiestoday is the best portal for Printable Worksheets for Class 9 Science students to get all the latest study material free of cost. Teachers of studiestoday have referred to the NCERT book for Class 9 Science to develop the Science Class 9 worksheet. After solving the questions given in the practice sheet which have been developed as per the latest course books also refer to the NCERT solutions for Class 9 Science designed by our teachers. After solving these you should also refer to Class 9 Science MCQ Test for the same chapter. We have also provided a lot of other Worksheets for Class 9 Science which you can use to further make yourself better in Science.

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