log up log in
ncert help

NCERT Solutions, CBSE Sample paper, Latest Syllabus, NCERT Books, Last Year Question Papers and Many More ...

CBSE Video lectures for download

     

=In text questions page number 3

=In text questions page number 6

=In text questions page number 9

=In text questions page number 10

 

In text questions page number 3

In text questions page number 3


Question 1. Which of the following is matter?
Chair, air, love, smell, hate, almonds, thought, cold, cold drink, smell of perfume.
Answer:
Chair, air, almonds and cold drink are matter.

Question 2. Give reasons for the following observation:
The smell of hot sizzling food reaches you several metres away, but to get the smell from cold food you have to go close.
Answer:
The smell of hot sizzling food reaches you several metres away, but to get the smell from cold food you have to go close because the kinetic energy of the particles of matter increases with the increase in temperature.

Question 3. A diver is able to cut through water in a swimming pool. Which property of matter does this observation show?
Answer:
 A diver is able to cut through water in a swimming pool this observation shows that the matter is made up of particles.

Question 4. What are the characteristics of the particles of matter?
Answer:
  The characteristics of particles of matter are

(i) Particles of matter have spaces between them.
(ii) Particles of matter are continuously moving.
(iii) Particles of matter attract each other.
(iv) Kinetic energy of particles increases with increase in temperature.


Open your video in VLC player or add '.mp4' extension at end of the video



In text questions page number 3

Please Click on G-plus or Facebook
   



Please send your queries at contact ncerthelp@gmail.com

 

Every effort has been made to ensure accuracy of data on this web site. We are not responsible for any type of mistake in data.
All pdf files or link of pdf files are collected from various Resources Or sent by Students. If any pdf file have any copyright voilation please inform us we shell remove that file from our website.Thanks