Week-1 Lecture-2: What is Matter?
Following websites may be visited to know more about matter:
1. http://www.chem4kids.com/files/matter_intro.html
2. https://en.wikipedia.org/wiki/Matter
3. https://www.livescience.com/46506-states-of-matter.html
4. https://www.nyu.edu/pages/mathmol/textbook/whatismatter.html
5. http://eschooltoday.com/science/states-and-behaviour-of-matter/what-is-matter.html
6. https://whatis.techtarget.com/definition/matter
7. https://www.britannica.com/science/matter
8. https://www.thoughtco.com/definition-of-matter-and-examples-604565