Monday, 4 April 2016

saba roll no 11

this is my homework page
I will do my homework daily.

                     matter in our surrounding  

                                       date- 4/4/16

what do we observe that level of water does not change even after dissolving of salt in it ?
 the level of water does not change after adding salt in it because the particles of salt get into the spaces between particles of water

                                      date- 4/4/16

properties of particles

1 the particles of matter are very small
2 the particles of matter are continuously moving means they have a kinetic energy .
3 the particles of matter have space between them



No comments:

Post a Comment

Note: only a member of this blog may post a comment.